J. Helliwell

John R Helliwell, Loes M J Kroon-Batenburg, J. Helliwell, 2012, Acta crystallographica. Section F, Structural biology and crystallization communications.

Formation of a highly dense tetra-rhenium cluster in a protein crystal and its implications in medical imaging

J. Helliwell, A. Brink, 2019, IUCrJ.

Structural dynamics of cisplatin binding to histidine in a protein

J. Helliwell, S. Tanley, 2014, Structural dynamics.

How to Solve Protein Structures with an X-ray Laser

J. Helliwell, 2013, Science.

The crystal structure analysis of the relative binding of cisplatin and carboplatin in a mixture with histidine in a protein studied at 100 and 300 K with repeated X-ray irradiation.

J. Helliwell, S. Tanley, 2013, Acta crystallographica. Section D, Biological crystallography.

Structural studies of the effect that dimethyl sulfoxide (DMSO) has on cisplatin and carboplatin binding to histidine in a protein.

J. Helliwell, A. Schreurs, L. Kroon-Batenburg, 2012, Acta crystallographica. Section D, Biological crystallography.

Cryst Rev Issue 1 of 2016

J. Helliwell, 2016 .

The Variety of X-ray Diffuse Scattering from Macromolecular Crystals and its Respective Components

D. Moss, J. Helliwell, G. Harris, 1991 .

Macromolecular crystallization in microgravity

E. Snell, J. Helliwell, 2005 .

X-Ray crystallography in structural chemistry and molecular biology

J. Helliwell, M. Helliwell, 1996 .

The structure of concanavalin A and its bound solvent determined with small-molecule accuracy at 0.94 [Aring ]resolution

James Raftery, John R. Helliwell, J. Helliwell, 1997 .

Resonant elastic X-ray scattering in chemistry and materials science

J. Helliwell, N. Logar, M. Helliwell, 2012 .

The evolution of synchrotron radiation and the growth of its importance in crystallography

J. Helliwell, 2012 .

Neutron Protein Crystallography: Technical Aspects and Some Case Studies at Current Capabilities and Beyond

J. Helliwell, J. Habash, J. Raftery, 2006 .

The 15-K neutron structure of saccharide-free concanavalin A.

J. Helliwell, A. Kalb, D. Myles, 2004, Proceedings of the National Academy of Sciences of the United States of America.

Complementarity of Neutron and Ultrahigh Resolution Synchrotron X-ray Protein Crystallography Studies: Results with Concanavalin A at Cryo and Room Temperature

J. Helliwell, A. Deacon, J. Habash, 2002 .

Structure solution of a cubic crystal of concanavalin A complexed with methyl alpha-D-glucopyranoside.

L. Tong, J. Helliwell, A. Kalb, 1996, Acta crystallographica. Section D, Biological crystallography.

Apocrustacyanin C1 crystals grown in space and earth using vapour diffusion geometry

T. Boggon, N. Chayen, J. Helliwell, 2003 .

X-ray diffraction in temporally and spatially resolved biomolecular science.

J. Helliwell, S. Tanley, A. Brink, 2015, Faraday discussions.

New developments in crystallography: exploring its technology, methods and scope in the molecular biosciences

J. Helliwell, 2017, Bioscience reports.

Durward W. J. Cruickshank. 7 March 1924—13 July 2007

J. Helliwell, B. Beagley, 2018, BIOGRAPHICAL MEMOIRS OF FELLOWS OF THE ROYAL SOCIETY.

[14] Overview of synchrotron radiation and macromolecular crystallography.

J. Helliwell, 1997, Methods in enzymology.

Charge‐coupled imagers for time‐resolved macromolecular crystallography

N. Allinson, J. Helliwell, A. Thompson, 1992 .

Macromolecular crystallography using synchrotron radiation: progress on station 9.5 and a novel (toast-rack) detector scheme for Laue diffraction

J. Helliwell, 1991 .

Instrumentation for Laue diffraction (invited)

N. Allinson, J. Helliwell, Z. Derewenda, 1989 .

The laue method and its use in time-resolved crystallography

K. Moffat, J. Helliwell, 1989 .

USES OF SYNCHROTRON X-RADIATION IN BIOLOGICAL CRYSTALLOGRAPHY

J. Helliwell, 1987 .

Laue Diffraction from Protein Crystals: Theoretical Aspects

K. Moffat, J. Helliwell, D. Cruickshank, 1987 .

Optimized anomalous dispersion in crystallography: a synchrotron X-ray polychromatic simultaneous profile method

J. Helliwell, J. Howard, U. Arndt, 1982, Nature.

Oscillation Camera Data Processing. 3. General Diffraction Spot Size, Shape and Energy Profile: Formalism for Polychromatic Diffraction Experiments with Monochromatized Synchrotron X-radiation from a Singly Bent Triangular Monochromator

J. Helliwell, T. Greenhough, S. Rule, 1983 .

How to Referee Grant Proposals

J. Helliwell, 2016 .

Respect the synchrotron beam strength: how to model it, measure it and mitigate it for various scientific fields

J. Helliwell, 2021, Journal of synchrotron radiation.

X-ray Structure of the Carboplatin-Loaded Apo-Ferritin Nanocage.

J. Helliwell, G. Ferraro, A. Merlino, 2017, ACS medicinal chemistry letters.

Towards the measurement of ideal data for macromolecular crystallography using synchrotron sources.

T. Irving, J. Helliwell, S. Ealick, 1993, Acta crystallographica. Section D, Biological crystallography.

Synchrotron X-radiation protein crystallography: CEA film absorption factor as a function of wavelength 0.3≤λ≤2Å

R. Liddington, J. Helliwell, G. Diakun, 1985 .

Triosephosphate isomerase: the perfect enzyme, but how does it work?

J. Helliwell, 2021, IUCrJ.

The use of electronic area detectors for synchrotron X-radiation protein crystallography with particular reference to the Daresbury SRS

J. Helliwell, 1982 .

The structure of the saccharide‐binding site of concanavalin A.

E. Dodson, J. Helliwell, Z. Derewenda, 1989, The EMBO journal.

Piperazine silicate (EU 19): the structure of a very small crystal determined with synchrotron radiation

A. J. Blake, J. Helliwell, M. Papiz, 1988 .

Neutron Laue diffraction does it faster

J. Helliwell, 1997, Nature Structural Biology.

Report of the Working Group on Synchrotron Radiation Nomenclature - brightness, spectral brightness or brilliance?

A. Authier, J. Helliwell, T. Ohta, 2005, Journal of synchrotron radiation.

A 2D MWPC area detector for use with synchrotron X-radiation at the Daresbury laboratory for small angle diffraction and scattering

P. A. Ridley, J. Helliwell, R. Stephenson, 1982 .

A comparison of Laue and monochromatic X‐ray analyses: the determination of the hydrogen‐atom positions of an organic small‐molecule crystal

J. Helliwell, J. Habash, M. Helliwell, 1989 .

A Direct Approach to MAD Phasing

A. Deacon, J. Helliwell, 2005 .

X-Ray crystallography in structural chemistry and molecular biology

J. Helliwell, M. Helliwell, 1996 .

An investigation into structural changes due to deuteration.

S. Fisher, J. Helliwell, 2008, Acta crystallographica. Section A, Foundations of crystallography.

Protein microcrystal diffraction and the effects of radiation damage with ultra-high-flux synchrotron radiation.

R. Liddington, K. Hodgson, J. Helliwell, 1985, Proceedings of the National Academy of Sciences of the United States of America.

Facilities for solution scattering and fibre diffraction at the Daresbury SRS

D. Siddons, S. Burley, C. Nave, 1985 .

X-ray crystallographic studies of RoAb13 bound to PIYDIN, a part of the N-terminal domain of C-C chemokine receptor 5

N. Chayen, J. Helliwell, R. Morgan, 2021, IUCrJ.

The binding of platinum hexahalides (Cl, Br and I) to hen egg-white lysozyme and the chemical transformation of the PtI6 octahedral complex to a PtI3 moiety bound to His15

J. Helliwell, S. Tanley, Laurina-Victoria Starkey, 2014, Acta crystallographica. Section F, Structural biology communications.

Apocrustacyanin A1 from the lobster carotenoprotein alpha-crustacyanin: crystallization and initial X-ray analysis involving softer X-rays.

N. Chayen, J. Helliwell, P. F. Zagalsky, 2000, Acta crystallographica. Section D, Biological crystallography.

Properties of a new crystal form of the complex of concanavalin A with methyl alpha-D-glucopyranoside.

J. Helliwell, A. J. Kalb, M. Papiz, 1987, Journal of molecular biology.

Crystallography: A down-to-Earth approach

N. Chayen, J. Helliwell, 2007, Nature.

Honouring the two Braggs: the first X-ray crystal structure and the first X-ray spectrometer

J. Helliwell, 2013 .

X-ray crystal structures of diacetates of 6-s-cis and 6-s-trans astaxanthin and of 7,8-didehydroastaxanthin and 7,8,7',8'-tetradehydroastaxanthin: comparison with free and protein-bound astaxanthins.

J. Helliwell, J. Warren, S. Liaaen-Jensen, 2009, Acta crystallographica. Section B, Structural science.

The location of manganese and calcium ion cofactors in pea lectin crystals by use of anomalous dispersion and tuneable synchrotron X-radiation

F. L. Suddath, J. Helliwell, K. Suguna, 1985 .

Binding of coenzyme and substrate and coenzyme analogues to 6-phosphogluconate dehydrogenase from sheep liver. An X-ray study at 0.6 nm resolution.

J. Helliwell, J. Biellmann, M. J. Adams, 1979, European journal of biochemistry.

Anomalous scattering in structural chemistry and biology

J. Helliwell, N. N. Tušar, G. Mali, 2005 .

Partial improvement of crystal quality for microgravity-grown apocrustacyanin C1.

E. Weckert, T. Boggon, E. Snell, 1997, Acta Crystallographica Section D: Biological Crystallography.

Time-resolved biological and perturbation chemical crystallography: Laue and monochromatic developments

Nigel M. Allinson, Andrew Deacon, John R. Helliwell, 1995, Optics & Photonics.

New leads for fragment-based design of rhenium/technetium radiopharmaceutical agents

J. Helliwell, A. Brink, 2017, IUCrJ.

Microgravity Protein Crystallization

N. Chayen, J. Helliwell, 2002 .

Microgravity as an environment for macromolecular crystallization – an outlook in the era of space stations and commercial space flight

E. Snell, J. Helliwell, 2021, Crystallography Reviews.

Structure--function relationships of NAD+- and NADP+-dependent dehydrogenases with particular reference to the three-dimensional structure of 6-phosphogluconate dehydrogenase.

R. Pickersgill, J. Helliwell, S. Gover, 1983, Biochemical Society transactions.

Protein crystallography with synchrotron radiation

John R. Helliwell, J. Helliwell, 1985 .

Synchrotron X-radiation protein crystallography: instrumentation, methods and applications

J. Helliwell, 1984 .

The uses of synchrotron X-radiation in the crystallography of molecular biology.

J. Helliwell, T. Greenhough, J. R. Helliwell, 1983, Progress in biophysics and molecular biology.

Resonant elastic X-ray scattering in life science, chemistry and materials science; recent developments

J. Helliwell, 2014 .

The molecular basis of the coloration mechanism in lobster shell: β-Crustacyanin at 3.2-Å resolution

N. Chayen, J. Helliwell, P. F. Zagalsky, 2002, Proceedings of the National Academy of Sciences of the United States of America.

The 1.2 A resolution structure of the Con A-dimannose complex.

J R Helliwell, A. Howard, J. Naismith, 2001, Journal of molecular biology.

On the origin and variation of colors in lobster carapace.

J. Helliwell, A. Hädener, Olle Falklöf, 2015, Physical chemistry chemical physics : PCCP.

The interaction of bee melittin with lipid bilayer membranes.

C. R. Dawson, J. Helliwell, A. Drake, 1978, Biochimica et biophysica acta.

Joseph Yariv (1927–2021)

J. Helliwell, Yariv family, 2021 .

Three-dimensional structure of human erythrocytic purine nucleoside phosphorylase at 3.2 A resolution.

J. Helliwell, W. Cook, D. Carter, 1992, The Journal of biological chemistry.

Crystal structure of peach Pru p 3, the prototypic member of the family of plant non-specific lipid transfer protein pan-allergens.

Giuseppe Zanotti, John R Helliwell, Michele Cianci, 2005, Journal of molecular biology.

Experience with exchange and archiving of raw data: comparison of data from two diffractometers and four software packages on a series of lysozyme crystals

John R. Helliwell, Loes M. J. Kroon-Batenburg, Simon W. M. Tanley, 2012, Journal of applied crystallography.

Absorption of X-radiation by single crystals of proteins containing labile metal components: the determination of the number of iron atoms within the central core of ferritin

J. Helliwell, M. Papiz, John M. A. Smith, 1985 .

Chemical and Mössbauer spectroscopic evidence that iron-containing concanavalin A is a ferritin.

J. Helliwell, A. J. Kalb, M. Papiz, 1988, The Journal of biological chemistry.

The use of MULTAN to locate the positions of anomalous scatterers

J. R. Helliwell, P. Main, J. Helliwell, 1989 .

Softer and soft X-rays in macromolecular crystallography.

M. Weiss, J. Helliwell, H. Stuhrmann, 2005, Journal of synchrotron radiation.

What is the structural chemistry of the living organism at its temperature and pressure?

J. Helliwell, 2020, Acta crystallographica. Section D, Structural biology.

Laue crystallography: coming of age

B. Stoddard, Z. Ren, K. Moffat, 1999 .

Crystallography and Databases

Saulius Gražulis, John D. Westbrook, Brian McMahon, 2017, Data Sci. J..

Structure of lobster apocrustacyanin A1 using softer X-rays.

N. Chayen, J. Helliwell, P. F. Zagalsky, 2001, Acta crystallographica. Section D, Biological crystallography.

LSCALE - the new normalization, scaling and absorption correction program in the Daresbury Laue software suite

John R. Helliwell, J. W. Campbell, J. W. Campbell, 1999 .

CCD video observation of microgravity crystallization: apocrustacyanin C1

John R. Helliwell, Edward H. Snell, Naomi E. Chayen, 1997 .

The X-ray diffraction station at the ADONE wiggler facility: preliminary results (including crystal perfection)

J. Helliwell, M. Colapietro, G. Cappuccio, 1992 .

Protein crystal perfection and the nature of radiation damage

J. Helliwell, 1988 .

Crystal Growth of Biological Materials

J. Drenth, J. Helliwell, W. Littke, 1987 .

Macromolecular Crystallography with Synchrotron Radiation

John R. Helliwell, J. Helliwell, 1992 .

CANADA AS COUNTER-NARRATIVE Multiculturalism, Recognition and Redistribution

J. Helliwell, K. Banting, 2005 .

Carboplatin binding to histidine

K. Diederichs, J. Helliwell, A. Schreurs, 2014, Acta crystallographica. Section F, Structural biology communications.

The molecular basis of the coloration mechanism in lobster shell: β-crustacyanin at 3.2 Å resolution

N. Chayen, J. Helliwell, P. F. Zagalsky, 2002 .

Scientific Leadership. By J. W. (Hans) Niemantsverdriet and Jan-Karel Felderhof. De Gruyter, 2017. Pp. xv+171. Price (paperback) EUR 29.95, USD 34.99, GBP 24.99. ISBN 978-3-11-046888-5.

J. Helliwell, 2018 .

X-ray crystallography

J. Helliwell, 1995 .

Synchrotron and neutron techniques in biological crystallography.

J R Helliwell, J. Helliwell, P. Rizkallah, 2004, Chemical Society reviews.

Determination of zinc incorporation in the Zn-substituted gallophosphate ZnULM-5 by multiple wavelength anomalous dispersion techniques.

E. Dodson, J. Helliwell, S. Teat, 2010, Acta crystallographica. Section B, Structural science.

New opportunities in biological and chemical crystallography.

J. Helliwell, 2001, Journal of synchrotron radiation.

Sturucture of 6-phosphogluconate dehydrogenase from sheep liver at 6 A resolution.

C. Bugg, J. Helliwell, M. J. Adams, 1977, Journal of molecular biology.

Unravelling the structural chemistry of the colouration mechanism in lobster shell.

N. Chayen, J. Helliwell, P. F. Zagalsky, 2003, Acta crystallographica. Section D, Biological crystallography.

Integration of macromolecular diffraction data using radial basis function networks.

N. Allinson, B. Pokric, J. Helliwell, 2000, Journal of synchrotron radiation.

Accurate and highly complete synchrotron protein crystal Laue diffraction data using the ESRF CCD and the Daresbury Laue software

J. W. Campbell, J. Helliwell, F. Schotte, 1999 .

Protein single crystal diffraction

J. Helliwell, M. Papiz, I. Glover, 1988 .

Oscillation Camera Data Processing: Reflecting Range and Prediction of Partiality. 2. Monochromatized Synchrotron X-radiation from a Singly Bent Triangular Monochromator

J. Helliwell, T. Greenhough, 1982 .

Interaction of counterions with subtilisin in acetonitrile: insights from molecular dynamics simulations.

C. Soares, A. Baptista, P. Halling, 2012, The journal of physical chemistry. B.

Crystallographic analysis of counterion effects on subtilisin enzymatic action in acetonitrile.

P. Halling, J. Helliwell, M. Cianci, 2010, Journal of the American Chemical Society.

Oscillation camera data processing: reflecting range and prediction of partiality. I. Conventional X-ray sources

J. Helliwell, T. Greenhough, 1982 .

The wiggler protein crystallography workstation at the Daresbury SRS: Progress and results

John R. Helliwell, Miroslav Z. Papiz, N. Harris, 1986 .

Central data collection facility for protein crystallography, small angle diffraction and scattering at the Daresbury Laboratory Synchrotron Radiation Source (SRS), England

John R. Helliwell, J. S. Worgan, J. Helliwell, 1982 .

Self-association of a DNA loop creates a quadruplex: crystal structure of d(GCATGCT) at 1.8 A resolution.

J R Helliwell, G A Leonard, O Kennard, 1995, Structure.

Synchrotron X-ray crystallography techniques: time-resolved aspects of data collection

J. R. Helliwell, J. Helliwell, 1992, Philosophical Transactions of the Royal Society of London. Series A: Physical and Engineering Sciences.

X-ray nanochemistry concepts and development

J. Helliwell, 2018, Crystallography Reviews.

The emergent rhizosphere: imaging the development of the porous architecture at the root-soil interface

W. R. Whalley, S. Mooney, J. Craigon, 2017, Scientific Reports.

Rothamsted Repository Download

W. R. Whalley, S. Mooney, J. Helliwell, 2022 .

The emergent rhizosphere: imaging the development of the porous architecture at the root-soil interface

W. R. Whalley, S. Mooney, J. Craigon, 2017, Scientific Reports.

Effects of X-Ray Dose On Rhizosphere Studies Using X-Ray Computed Tomography

S. Mooney, T. Pridmore, M. Bennett, 2013, PloS one.

Developing X-ray Computed Tomography to non-invasively image 3-D root systems architecture in soil

S. Mooney, T. Pridmore, M. Bennett, 2012, Plant and Soil.

SR instrumentation for optimized anomalous scattering and high resolution structure studies of proteins and nucleic acids (invited)

Nigel M. Allinson, John R. Helliwell, Sean McSweeney, 1995 .

A new macromolecular crystallography Station (9.5) on the SRS wiggler beam line for very rapid Laue and rapidly tunable monochromatic measurements: Commissioning and first results

S. G. Buffey, S. Hasnain, C. Nave, 1992 .

Introducing IT into a mature production related work environment: the human resource factor

Alan Fowler, Jonathan Helliwell, J. Helliwell, 1994, J. Inf. Technol..

Initiating a crystallographic study of trypanothione reductase.

A. Fairlamb, W. Hunter, J. Helliwell, 1990, Journal of molecular biology.

Fundamentals of neutron crystallography in structural biology.

John R Helliwell, J. Helliwell, 2020, Methods in enzymology.

X-Ray and molecular dynamics studies of concanavalin-A glucoside and mannoside complexes Relating structure to thermodynamics of binding

James Raftery, John R. Helliwell, Jarjis Habash, 1998 .

Electron density maps of lysozyme calculated using synchrotron laue data comprising singles and deconvoluted multiples

James Raftery, John R. Helliwell, J. W. Campbell, 1994 .

The emergence of the synchrotron Laue method for rapid data collection from protein crystals

John R. Helliwell, Jarjis Habash, Edward H. Snell, 1993, Proceedings of the Royal Society of London. Series A: Mathematical and Physical Sciences.

Time-resolved synchrotron Laue diffraction and its application in structural molecular biology and materials science

Nigel M. Allinson, John R. Helliwell, Marjorie M. Harding, 1992 .

Combining X-rays, neutrons and electrons, and NMR, for precision and accuracy in structure–function studies

J. Helliwell, 2021, Acta crystallographica. Section A, Foundations and advances.

Three‐Dimensional Structure of Human Erythrocytic Purine Nucleoside Phosphorylase a

C. Bugg, J. Helliwell, W. Cook, 1985 .

Unravelling the Chemical Basis of the Bathochromic Shift of the Lobster Carapace Carotenoprotein Crustacyanin

J. Helliwell, M. Helliwell, 2008 .

Time-dependent analysis of K2PtBr6 binding to lysozyme studied by protein powder and single crystal X-ray analysis

A. Bell, J. Helliwell, I. Margiolaki, 2010 .

Neutrons in biology

J. Helliwell, 1998, Nature Structural Biology.

Crystal structure of the C1 domain of cardiac myosin binding protein-C: implications for hypertrophic cardiomyopathy.

J. Squire, N. Chayen, J. Helliwell, 2008, Journal of molecular biology.

High-speed acquisition system for Laue diffraction patterns

N. Allinson, J. Helliwell, K. Moon, 1994 .

XAFS conference proceedings and JSR.

S. Hasnain, J. Helliwell, H. Kamitsubo, 1999, Journal of Synchrotron Radiation.

Time-resolved diffraction

John R. Helliwell, Peter M. Rentzepis, J. Helliwell, 1997 .

Protonation-state determination in proteins using high-resolution X-ray crystallography: effects of resolution and completeness.

J. Helliwell, S. McSweeney, M. Blakeley, 2012, Acta crystallographica. Section D, Biological crystallography.

The properties of (2Fo - Fc) and (Fo - Fc) electron-density maps at medium-to-high resolutions.

J. Helliwell, J. Habash, J. Raftery, 2003, Acta crystallographica. Section D, Biological crystallography.

The combination of molecular dynamics with crystallography for elucidating protein-ligand interactions: a case study involving peanut lectin complexes with T-antigen and lactose.

J R Helliwell, M Vijayan, A. Surolia, 2001, Acta crystallographica. Section D, Biological crystallography.

Synchrotron‐radiation instrumentation, methods and scientific utilization

J. Helliwell, 2006 .

Protein crystal movements and fluid flows during microgravity growth

D. Siddons, T. Boggon, E. Snell, 1998, Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences.

Improvements in lysozyme protein crystal perfection through microgravity growth.

J R Helliwell, E H Snell, E. Snell, 1995, Acta crystallographica. Section D, Biological crystallography.

Zappala , Susan and Helliwell , Jonathan R . and Tracy , Saoirse and Mairhofer , Stefan and Sturrock , Craig and Pridmore , Tony and

S. Mooney, T. Pridmore, M. Bennett, 2017 .

CCD video observation of microgravity crystallization of lysozyme and correlation with accelerometer data.

T. Boggon, E. Snell, J. Helliwell, 1997, Acta crystallographica. Section D, Biological crystallography.

Partial improvement of crystal quality for microgravity-grown apocrustacyanin C1.

E. Weckert, T. Boggon, E. Snell, 1997, Acta crystallographica. Section D, Biological crystallography.

Lysozyme crystal growth kinetics monitored using a Mach-Zehnder interferometer.

J R Helliwell, E H Snell, T. Boggon, 1996, Acta crystallographica. Section D, Biological crystallography.

An investigation of the perfection of lysozyme protein crystals grown in microgravity and on earth

John R. Helliwell, Edward H. Snell, E. Snell, 1996 .

Quantifying the impact of microbes on soil structural development and behaviour in wet soils

W. R. Whalley, S. Mooney, J. Helliwell, 2014 .

Synchrotron radiation facilities

John R. Helliwell, J. Helliwell, 1998, Nature Structural Biology.

Online_DPI: a web server to calculate the diffraction precision index for a protein structure

Kanagaraj Sekar, John R. Helliwell, Manickam Gurusaran, 2015 .

Do we see what we should see? Describing non-covalent interactions in protein structures including precision

Raju Nagarajan, John R. Helliwell, Mani Shankar, 2013, IUCrJ.

The science is in the data

John R Helliwell, Brian McMahon, J Mitchell Guss, 2017, IUCrJ.

Re-refinement of 4g4a: room-temperature X-ray diffraction study of cisplatin and its binding to His15 of HEWL after 14 months chemical exposure in the presence of DMSO

J. Helliwell, A. Schreurs, L. Kroon-Batenburg, 2016, Acta crystallographica. Section F, Structural biology communications.

Re-refinement of 4xan: hen egg-white lysozyme with carboplatin in sodium bromide solution

J. Helliwell, A. Schreurs, L. Kroon-Batenburg, 2016, Acta crystallographica. Section F, Structural biology communications.

A high-throughput structural biology/proteomics beamline at the SRS on a new multipole wiggler.

M. J. Ellis, S. G. Buffey, S. Antonyuk, 2005, Journal of synchrotron radiation.

Quantifying the impact of microbes on soil structural development and 1 behaviour in wet soils 2 3 4

W. R. Whalley, S. Mooney, J. Helliwell, 2017 .

Time-resolved structures of hydroxymethylbilane synthase (Lys59Gln mutant) as it is loaded with substrate in the crystal determined by Laue diffraction

J. Helliwell, P. Carr, M. Wulff, 1998 .

Why Trust Science?By Naomi Oreskes. Princeton University Press, 2019. Pp. 376. Price USD 24.95, GBP 22.00 (hardback). ISBN 9780691179001, ebook ISBN 9780691189932.

J. Helliwell, 2019, Journal of Applied Crystallography.

Time-resolved macromolecular crystallography : proceedings of a Royal Society discussion meeting, held on 29 and 30 January 1992

L. Johnson, J. Helliwell, D. Cruickshank, 1992 .

Being an Interdisciplinary Academic: How Institutions Shape University Careers. By Catherine Lyall. Palgrave Pivot, 2019. Pp. 154. Price EUR 51.99 (hardcover). ISBN 978-3-030-18658-6.

J. Helliwell, 2020 .

An investigation into the protonation states of the C1 domain of cardiac myosin-binding protein C.

S. Fisher, J. Squire, N. Chayen, 2008, Acta crystallographica. Section D, Biological crystallography.

Time-resolved and static-ensemble structural chemistry of hydroxymethylbilane synthase.

J. Helliwell, M. Wulff, J. Habash, 2003, Faraday discussions.

Interdisciplinary research could pull cash into science

J. Helliwell, 2007, Nature.

Cisplatin coordination chemistry determination at hen egg white lysozyme His15 with ligand distances and angles, and their standard uncertainties, and also reporting a split occupancy effect

J. Helliwell, A. Schreurs, L. Kroon-Batenburg, 2016, 1606.01372.

FACT and FAIR with Big Data allows objectivity in science: The view of crystallography

John R. Helliwell, J. Helliwell, 2019, Structural dynamics.

Lessons of diffraction resolution and the crustacyanin structures

J. Helliwell, 2011 .

X-Ray Crystallography. Second Edition. By William Clegg. Oxford University Press, 2015. Pp. 128. Price GBP 14.99 (paperback). ISBN 9780198700975.

J. Helliwell, 2017, Acta crystallographica. Section A, Foundations and advances.

An evaluation review of the prediction of protonation states in proteins versus crystallographic experiment

Richard H. Henchman, J. Helliwell, S. Fisher, 2009 .

Refined structure of concanavalin A complexed with methyl alpha-D-mannopyranoside at 2.0 A resolution and comparison with the saccharide-free structure.

J R Helliwell, W N Hunter, W. Hunter, 1994, Acta crystallographica. Section D, Biological crystallography.

The structure and refinement of apocrustacyanin C2 to 1.3 A resolution and the search for differences between this protein and the homologous apoproteins A1 and C1.

N. Chayen, J. Helliwell, P. F. Zagalsky, 2004, Acta crystallographica. Section D, Biological crystallography.

Purification, crystallization and initial X-ray analysis of the C1 subunit of the astaxanthin protein, V600, of the chondrophore Velella velella.

T. Boggon, N. Chayen, J. Helliwell, 1999, Acta crystallographica. Section D, Biological crystallography.

Active site of trypanothione reductase. A target for rational drug design.

J R Helliwell, W N Hunter, A. Fairlamb, 1992, Journal of molecular biology.

The interdependence of wavelength, redundancy and dose in sulfur SAD experiments.

J. Helliwell, A. Suzuki, M. Cianci, 2008, Acta crystallographica. Section D, Biological crystallography.

The role of wavelength and source in the search for sulfur-atom positions evaluated in two case studies: lysozyme at room temperature and cryo apocrustacyanin A1

J. Helliwell, P. Rizkallah, J. Raftery, 2004 .

S-SWAT (softer single-wavelength anomalous technique): potential in high-throughput protein crystallography.

J. Helliwell, P. Rizkallah, Q. Hao, 2003, Acta crystallographica. Section A, Foundations of crystallography.

Analysis of insulin glulisine at the molecular level by X-ray crystallography and biophysical techniques

N. Chayen, J. Helliwell, S. Harding, 2021, Scientific reports.

Space-grown crystals may prove their worth

John R. Helliwell, Naomi E. Chayen, N. Chayen, 1999, Nature.

Golden oldies: ten crystallography articles that we think must be read

C. Massera, J. Helliwell, 2023, Acta Crystallographica Section E Crystallographic Communications.

Angular distribution of reflections in Laue diffraction

John R. Helliwell, Keith Moffat, K. Moffat, 1991 .

The role of quality in providing seamless access to information and data in e-science; the experience gained in crystallography

Brian McMahon, John R. Helliwell, Peter R. Strickland, 2006, Inf. Serv. Use.

Correcting the record of structural publications requires joint effort of the community and journal editors

John R Helliwell, Wladek Minor, Bernhard Rupp, 2016, The FEBS journal.

Multiplicity distribution of reflections in Laue diffraction

John R. Helliwell, Keith Moffat, K. Moffat, 1987 .

An assessment of the nitrate leaching risk for different buffer strip establishments

J. Helliwell, 2011 .

Direct determination of the positions of the deuterium atoms of the bound water in -concanavalin A by neutron Laue crystallography.

J. Helliwell, A. Kalb, J. Habash, 2000, Acta crystallographica. Section D, Biological crystallography.

Science of crystal structures: highlights in crystallography

John R. Helliwell, J. Helliwell, 2017 .

Raw diffraction data are our ground truth from which all subsequent workflows develop

J. Helliwell, 2022, Acta crystallographica. Section D, Structural biology.

My life in diffraction: an autobiographical review by George E. Bacon

J. Helliwell, 2012 .

Safeguarding Structural Data Repositories against Bad Apples.

John R Helliwell, Wladek Minor, Zbigniew Dauter, 2016, Structure.

6-Phosphogluconate dehydrogenase and its crystal structures

S. Hanau, J. Helliwell, 2022, Acta crystallographica. Section F, Structural biology communications.

Ab initio structure determination using dispersive differences from multiple-wavelength synchrotron-radiation powder diffraction data

J. Helliwell, M. Helliwell, Richard H. Jones, 2005 .

REFINED STRUCTURE OF CONCANAVALIN A COMPLEXED WITH ALPHA-METHYL-D-MANNOPYRANOSIDE AT 2.0 ANGSTROMS RESOLUTION AND COMPARISON WITH THE SACCHARIDE-FREE STRUCTURE

W. Hunter, J. Naismith, J. Helliwell, 1994 .

Carboplatin binding to a model protein in non-NaCl conditions to eliminate partial conversion to cisplatin, and the use of different criteria to choose the resolution limit

K. Diederichs, J. Helliwell, A. Schreurs, 2013, 1309.4661.

A two-wavelength crystallographic study of a new aluminophosphate containing nickel

B. Kariuki, J. Helliwell, B. Gallois, 1993 .

A comparison of Laue and monochromatic X-ray analyses of a small-molecule crystal

E. Dodson, J. Helliwell, J. Habash, 1989 .

Why is interoperability between the two fields of chemical crystallography and protein crystallography so difficult?

John R. Helliwell, Alice Brink, J. Helliwell, 2019, IUCrJ.

Raw diffraction data preservation and reuse: overview, update on practicalities and metadata requirements

John R Helliwell, Brian McMahon, Thomas C Terwilliger, 2017, IUCrJ.

High-resolution structures of single-metal-substituted concanavalin A: the Co,Ca-protein at 1.6 A and the Ni,Ca-protein at 2.0 A.

J R Helliwell, K S Wilson, Z Dauter, 1994, Acta crystallographica. Section D, Biological crystallography.

Comment on “Structural dynamics of cisplatin binding to histidine in a protein” [Struct. Dyn. 1, 034701 (2014)]

J. Helliwell, S. Tanley, 2016, Structural dynamics.

The determination of protonation states in proteins.

J. Helliwell, J. Hubbard, M. Blakeley, 2007, Acta crystallographica. Section D, Biological crystallography.

Because a New or Improved Product Is Needed via Industrial Research

John R. Helliwell, J. Helliwell, 2018, The Whys of a Scientific Life.

Findable Accessible Interoperable Re-usable (FAIR) diffraction data are coming to protein crystallography

Janet Newman, Wladek Minor, Janos Hajdu, 2019, IUCrJ.

Findable Accessible Interoperable Re-usable (FAIR) diffraction data are coming to protein crystallography

Janos Hajdu, Janet Newman, John R. Helliwell, 2019, Acta crystallographica. Section F, Structural biology communications.

Findable Accessible Interoperable Re-usable (FAIR) diffraction data are coming to protein crystallography

Janet Newman, John R Helliwell, Wladek Minor, 2019, Acta crystallographica. Section D, Structural biology.

Concerning the measurement of charge density X-ray diffraction data at synchrotron sources: challenges and opportunities

J. Helliwell, 2017 .

Response from Tanley et al. to Crystallography and chemistry should always go together: a cautionary tale of protein complexes with cisplatin and carboplatin.

John R Helliwell, Kay Diederichs, Loes M J Kroon-Batenburg, 2015, Acta crystallographica. Section D, Biological crystallography.

Experiences with making diffraction image data available: what metadata do we need to archive?

John R. Helliwell, Loes M. J. Kroon-Batenburg, J. Helliwell, 2014, Acta crystallographica. Section D, Biological crystallography.

Diffraction Structural Biology Synchrotron Radiation Experiences with Archived Raw Diffraction Images Data: Capturing Cisplatin after Chemical Conversion of Carboplatin in High Salt Conditions for a Protein Crystal

K. Diederichs, J. Helliwell, A. Schreurs, 2022 .

Data science skills for referees: I biological X-ray crystallography

John R Helliwell, J. Helliwell, 2017, Crystallography Reviews.

Data Science Skills in Publishing Session IV : Future prospects

J. Helliwell, A. Guerri, 2019 .

The case of 1lkr held at the PDB and its variable amino acid occupancies; re refinement of 4ow9 to correct this

J. Helliwell, S.W.M. Tanley, 2016 .

On the origin and variation of colors in lobster carapace.

J. Helliwell, A. Hädener, Olle Falklöf, 2015, Physical chemistry chemical physics : PCCP.

Light induced damage and repair in nucleic acids and proteins: general discussion.

Tolga N. V. Karsili, R. Improta, I. Schlichting, 2018, Faraday discussions.

Crystallization and preliminary x-ray investigation of purine-nucleoside phosphorylase from Escherichia coli.

C. Bugg, J. Helliwell, W. Cook, 1985, The Journal of biological chemistry.

Observations on Laue diffraction within synchrotron radiation and neutron macromolecular crystallography research and developments

J. Helliwell, 2023, Structural dynamics.

Weblinks for the Daresbury Laue software source code and information. Addendum

John R. Helliwell, Quan Hao, Marjorie M. Harding, 2021, Journal of Synchrotron Radiation.

A new protein crystallography station on the SRS wiggler beamline for very rapid Laue and rapidly tunable monochromatic experiments: I. Design principles, ray tracing and heat calculations

John R. Helliwell, A. Liljas, J. Helliwell, 1988 .

The interdependence of wavelength, redundancy and dose in sulfur SAD experiments.

J. Helliwell, A. Suzuki, M. Cianci, 2008, Acta crystallographica. Section D, Biological crystallography.

Calibration Tests and Use of a Nicolet/Xentronics Imaging Proportional Chamber Mounted on a Conventional Source for Protein Crystallography

J. Helliwell, Z. Derewenda, 1989 .

Protein dynamics: use of computer graphics and protein crystal diffuse scattering recorded with synchrotron X-radiation

David S. Moss, John R. Helliwell, E. Pantos, 1986 .

How should we teach crystallography? A review of teaching books’ contents pages

J. Helliwell, 2021, Crystallography Reviews.

The Daresbury Laboratory Laue Software Suite

J. W. Campbell, E. Snell, J. Helliwell, 1996 .

Refined structure of cadmium-substituted concanavalin A at 2.0 A resolution.

J R Helliwell, W N Hunter, W. Hunter, 1993, Acta crystallographica. Section D, Biological crystallography.