J. Churchich

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Interaction of thioredoxin with oxidized aminobutyrate aminotransferase Evidence for the formation of a covalent intermediate

Joo-Ung Park, J. Park, J. Churchich, 1992, FEBS letters.

Biosynthesis of 4-aminobutyrate aminotransferase.

S. Choi, J. Churchich, S. Choi, 1986, European journal of biochemistry.

Retinol, a probe of conformational changes in protein disulfide isomerase.

J. Churchich, 1999, Biochemical and biophysical research communications.

Rotational relaxation time of pyridoxyl 5-phosphate lysozyme.

J. Churchich, R. Irwin, 1971, The Journal of biological chemistry.

Brain pyridoxine-5-phosphate oxidase. A dimeric enzyme containing one FMN site.

J. Churchich, 1984, European journal of biochemistry.

Characterization of the molecular-chaperone function of the heat-shock-cognate-70-interacting protein.

B. Bruce, J. Churchich, 1997, European journal of biochemistry.

Dissociation of cystathionase.

J. Churchich, D. Dupourque, 1972, Biochemical and biophysical research communications.

Sequence of the cysteinyl-containing peptides of 4-aminobutyrate aminotransferase. Identification of sulfhydryl residues involved in intersubunit linkage.

J. Churchich, Y. T. Kim, 1989, European journal of biochemistry.

Sheep brain pyridoxal kinase: fluorescence spectroscopy of the dimeric enzyme.

F. Kwok, J. Kerry, J. Churchich, 1986, Biochimica et biophysica acta.

Glutamate decarboxylase side reactions catalyzed by the enzyme.

S. Choi, J. Churchich, S. Choi, 1986, European journal of biochemistry.

Gabaculine and m-carboxyphenyl-pyridoxamine 5-phosphate as probes of the catalytic binding sites of 4-aminobutyrate aminotransferase.

J. Churchich, D. S. Kim, U. Moses, 2005, European journal of biochemistry.

The binding of NADH to succinic semialdehyde dehydrogenase.

W. Blaner, J. Churchich, 1980, European journal of biochemistry.

Reconstituted aspartate aminotransferase physical studies.

J. Farrelly, J. Churchich, 1968, Biochimica et biophysica acta.

Cofactor transfer from cystathionase to aspartate aminotransferase.

J. Churchich, 1970, Biochemical and biophysical research communications.

The rotational relaxation time of aspartate aminotransferase.

J. Churchich, 1967, Biochimica et biophysica acta.

Effects of potassium iodide on aspartate aminotransferase.

J. Churchich, N. Burridge, 1974, European journal of biochemistry.

Reconstitution of aspartate aminotransferase from pig heart.

J. Farrelly, J. Churchich, 1968, Biochemical and biophysical research communications.

L-kynurenine: a fluorescent probe of serum albumins.

J. Churchich, 1972, Biochimica et biophysica acta.

Porcine pyridoxal kinase c-DNA cloning, expression and confirmation of its primary sequence.

S. Lo, F. Kwok, C. Lau, 1998, The international journal of biochemistry & cell biology.

Binding of new PLP analogs to the catalytic domain of GABA transaminase.

S. Choi, J. Churchich, D. R. Churchich, 1985, Biochemical and biophysical research communications.

Unfolding of 4-aminobutyrate aminotransferase equilibrium and kinetic studies.

T. Pineda, J. Churchich, 1994, Biochimica et biophysica acta.

Brain pyridoxine-5-phosphate oxidase. Modulation of its catalytic activity by reaction with pyridoxal 5-phosphate and analogs.

S. Choi, F. Kwok, J. Churchich, 1987, The Journal of biological chemistry.

Pyridoxyl-5-phosphate-lysozyme. Physical studies.

J. Churchich, R. Irwin, 1970, Biochimica et biophysica acta.

Brain pyridoxal kinase. Mechanism of substrate addition, binding of ATP, and rotational mobility of the inhibitor pyridoxaloxime.

C. Wu, J. Churchich, 1981, The Journal of biological chemistry.

Energy transfer in protein pyridoxamine-5-phosphate conjugates.

J. Churchich, 1965, Biochemistry.

FLUORESCENCE STUDIES ON SOLUBLE RIBONUCLEIC ACID LABELLED WITH ACRIFLAVINE.

J. Churchich, 1963, Biochimica et biophysica acta.

Inhibition of glutamic dehydrogenase by pyridoxal 5'-phosphate.

B. Anderson, J. Churchich, C. D. Anderson, 1966, Biochemistry.

The binding of NADH by glutamate dehydrogenase as measured by polarization of fluorescence.

J. Churchich, 1967, Biochimica et biophysica acta.

THE EFFECT OF DIOXANE ON THE DISSOCIATION AND ACTIVITY OF GLUTAMIC DEHYDROGENASE.

F. Wold, J. Churchich, 1963, Biochemistry.

Interaction between brain enzymes glutamate dehydrogenase and aspartate aminotransferase.

J. Churchich, 1978, Biochemical and biophysical research communications.

Nanosecond emission anisotropy of interacting enzymes aspartate aminotransferase glutamate dehydrogenase.

Y. Lee, J. Churchich, Y. Lee, 1976, Biochemical and biophysical research communications.

Fluorescence polarization studies on the binding between glutamate dehydrogenase and cytoplasmic aspartate aminotransferase.

C. Salerno, P. Fasella, J. Churchich, 1975, The Italian journal of biochemistry.

Fluorescence studies on the interaction between pyridoxal phosphate enzymes.

K. J. Oh, J. Churchich, 1974, The Journal of biological chemistry.

Interaction between pyridoxal kinase and pyridoxine-5-P oxidase, two enzymes involved in the metabolism of vitamin B6.

F. Kwok, J. Churchich, 1980, The Journal of biological chemistry.

Mitochondrial aspartate aminotransferase-independent function of the catalytic binding sites.

Y. Lee, J. Churchich, 1975, The Journal of biological chemistry.

Active site modification of 4-aminobutyrate aminotransferase with ATP analogs.

J. Churchich, D. S. Kim, 1987, Biochimica et biophysica acta.

Brain pyridoxal kinase dissociation of the dimeric structure and catalytic activity of the monomeric species.

G. Scholz, F. Kwok, J. Churchich, 1987, European journal of biochemistry.

The rotational relaxation time of aspartate aminotransferase.

J. Churchich, 1967, Biochemical and biophysical research communications.

The binding of pyridoxamine 5-phosphate to alanine aminotransferase as measured by fluorescence spectroscopy.

J. Churchich, 1969, Biochimica et biophysica acta.

Nucleoside phosphorothioates as probes of the nucleotide binding site of brain pyridoxal kinase.

C. Wu, J. Churchich, 1982, The Journal of biological chemistry.

The interaction of cycloserine with glutamate aspartate transaminase as measured by fluorescence spectroscopy.

J. Churchich, 1967, The Journal of biological chemistry.

LUMINESCENCE PROPERTIES OF MURAMIDASE AND REOXIDIZED MURAMIDASE.

J. Churchich, 1964, Biochimica et biophysica acta.

A mitochondrial NADP+-dependent reductase related to the 4-aminobutyrate shunt. Purification, characterization, and mechanism.

J. Churchich, W. Hearl, 1985, The Journal of biological chemistry.

Kynuramine, a fluorescent substrate and probe of plasma amine oxidase.

J. B. Massey, J. Massey, J. Churchich, 1977, The Journal of biological chemistry.

Mechanism of binding of pyridoxamine 5-phosphate to the apoenzyme aspartate aminotransferase. Fluorescence studies.

J. Farrelly, J. Churchich, 1969, The Journal of biological chemistry.

Reactivity of the phosphopyridoxal groups of cystathionase.

T. Beeler, J. Churchich, 1976, The Journal of biological chemistry.

The membrane bound retinol dehydrogenase from bovine rod outer segments.

W. Blaner, J. Churchich, 1980, Biochemical and biophysical research communications.

Nanosecond spectroscopy of retinol bound to proteins

S. Georghiou, J. Churchich, 2009 .

Recombinant brain 4-aminobutyrate aminotransferases overexpression, purification, and identification of Lys-330 at the active site.

Y. Song, J. Churchich, Y. T. Kim, 1997, Biochimica et biophysica acta.

Reactivity of pyridoxal 5-phosphate residues of cystathionase.

J. Bieler, J. Churchich, 1971, Biochimica et biophysica acta.

Interactions of gene 2.5 protein and DNA polymerase of bacteriophage T7.

C. Richardson, S. Tabor, J. Churchich, 1992, The Journal of biological chemistry.

Tryptophan residues in native and reoxidized muramidase: luminescence properties.

J. Churchich, 1966, Biochimica et biophysica acta.

Interactions of pyridoxal kinase and aspartate aminotransferase emission anisotropy and compartmentation studies.

F. Kwok, J. Churchich, Y. T. Kim, 1988, The Journal of biological chemistry.

Cleavage of pyridoxal kinase into two structural domains: Kinetics of proteolysis monitored by emission anisotropy

J. Churchich, 1990, Journal of protein chemistry.

Affinity labeling of pyridoxal kinase with adenosine polyphosphopyridoxal.

G. Scholz, F. Kwok, J. Churchich, 1988, The Journal of biological chemistry.

Brain pyridoxal kinase. Purification, substrate specificities, and sensitized photodestruction of an essential histidine.

F. Kwok, J. Churchich, 1979, The Journal of biological chemistry.

Screening and sequence determination of a cDNA encoding the human brain 4-aminobutyrate aminotransferase.

J. Churchich, Y. Osei, 1995, Gene.

Interactions between 4-aminobutyrate aminotransferase and succinic semialdehyde dehydrogenase, two mitochondrial enzymes.

J. Churchich, W. Hearl, 1984, The Journal of biological chemistry.

Interactions Between Aminotransferases and Monoclonal Antibodies

J. Cidlowski, J. Churchich, 1989 .

4-Aminobutyrate aminotransferase. Conformational changes induced by reduction of pyridoxal 5-phosphate.

S. Choi, J. Churchich, 1985, Biochimica et biophysica acta.

Catalytic and structural properties of trypsin-treated 4-aminobutyrate aminotransferase.

J. Churchich, D. S. Kim, 1983, Journal of Biological Chemistry.

Rotational dynamics of 4‐aminobutyrate aminotransferase

K. Schnackerz, J. Churchich, Doo-Sik Kim, 1983, FEBS letters.

4-Aminobutyrate aminotransferase. The presence of nonequivalent binding sites.

J. Churchich, U. Moses, 1981, The Journal of biological chemistry.

Succinic semialdehyde dehydrogenase. Reactivity of lysyl residues.

W. Blaner, J. Churchich, 1979, The Journal of biological chemistry.

Nanosecond spectroscopy of a dimeric enzyme: plasma amine oxidase.

J. B. Massey, J. Churchich, 1979, Biophysical chemistry.

The reversible oxidation of vicinal SH groups in 4-aminobutyrate aminotransferase. Probes of conformational changes.

J. Churchich, D. S. Kim, 1987, Journal of Biological Chemistry.

4-Aminobutyrate aminotransferase reaction of sulfhydryl residues connected with catalytic activity.

S. Choi, J. Churchich, 1985, Journal of Biological Chemistry.

4-Aminobutyrate Aminotransferase

J. Churchich, 1982 .

4-Aminobutyrate aminotransferase, the reaction of lysine residues connected with enzymatic activity.

J. Churchich, D. S. Kim, 1981, Biochemical and biophysical research communications.

Reactivity of one thiol group in the dimeric protein, 4-aminobutyrate aminotransferase.

J. Churchich, U. Moses, 1980, Biochimica et biophysica acta.

Brain 4-aminobutyrate aminotransferase. Isolation and sequence of a cDNA encoding the enzyme.

O. Kwon, J. Park, J. Churchich, 1992, The Journal of biological chemistry.

The interaction of pyridoxamine 5-phosphate with aspartate aminotransferase.

J. Farrelly, J. Churchich, 1969, The Journal of biological chemistry.

Fluorescence Spectroscopy of Free and Bound PQQ

L. S. Khemlani, J. Churchich, 1991 .

4-Aminobutyrate aminotransferase: identification of lysine residues connected with catalytic activity.

J. Churchich, Y. T. Kim, 1991, Biochimica et biophysica acta.

Characterization of monomeric 4-aminobutyrate aminotransferase at low pH.

T. Pineda, J. Churchich, Y. Osei, 1995, European journal of biochemistry.

The study of the catalytic sites of enzymes using fluorescent compounds.

J. Churchich, 1996, Biological research.

4-Aminobutyrate aminotransferase, reaction of P'P2-bis(5'-pyridoxal) diphosphate with lysyl residues connected with catalytic activity.

J. Churchich, D. S. Kim, 1982, The Journal of biological chemistry.

Isolation and characterization of recombinant mitochondrial 4-aminobutyrate aminotransferase.

J. Park, J. Churchich, Y. Osei, 1993, The Journal of biological chemistry.

4-Aminobutyrate aminotransferase fluorescence studies.

T. Beeler, J. Churchich, 1978, European journal of biochemistry.

Fluorescence properties of pyridoxamine 5-phosphate.

J. Churchich, 1965, Biochimica et biophysica acta.

Luminescence of ribonuclease A.

J. Wampler, J. Churchich, 1971, Biochimica et biophysica acta.

Pyrroloquinoline quinone (coenzyme PQQ) and the oxidation of SH residues in proteins.

J. Park, J. Churchich, 1992, BioFactors.

Activation of partially folded mitochondrial malate dehydrogenase by thioredoxin.

W. Li, J. Churchich, 1997, European journal of biochemistry.

Brain pyridoxal kinase. Mobility of the substrate pyridoxal and binding of inhibitors to the nucleotide site.

F. Kwok, J. Churchich, 1979, European journal of biochemistry.

Interaction of 70-kDA heat shock cognate protein with peptides and myo-inositol monophosphatase.

O. Kwon, J. Churchich, 1994, The Journal of biological chemistry.

Conformational Changes at the Nucleotide Binding of GroEL Induced by Binding of Protein Substrates

J. Churchich, 1997, The Journal of Biological Chemistry.

A catalytic site of protein disulfide isomerase probed with adenosine-5'-triphosphate analogs.

K. S. Lee, J. Churchich, 2000, Biochimica et biophysica acta.

Recognition of Protein Substrates by Protein-disulfide Isomerase

P. Cheung, J. Churchich, 1999, The Journal of Biological Chemistry.

Recognition of partially‐folded mitochondrial malate dehydrogenase by GroEL. Steady and time‐dependent emission anisotropy measurements

J. Churchich, 1998, Protein science : a publication of the Protein Society.

Binding of a fluorescent nucleotide analog to Hsc70. The effect of peptide protein interactions on the luminescence properties of the probe.

J. Churchich, 1995, European journal of biochemistry.

Fluorescence properties of o-aminobenzoyl-labeled proteins.

J. Churchich, 1993, Analytical biochemistry.

Refolding of pyridoxine-5'-P oxidase assisted by GroEL.

O. Kwon, J. Churchich, 1999, Biochimie.

Binding of polylysine to GroEL. Inhibition of the refolding of mMDH.

C. Lau, J. Churchich, 1999, Biochimica et biophysica acta.

Refolding of thioredoxin reductase assisted by groEL and PDI.

K. S. Lee, P. Cheung, J. Churchich, 1999, Biochemical and biophysical research communications.

Fluorescence changes in ultraviolet-irradiated muramidase.

J. Churchich, 1966, Biochimica et biophysica acta.

Interaction of ATP analogs with yeast 3-phosphoglycerate kinase. Affinity labeling of the hinge region.

E. Serpersu, O. Kwon, T. Pineda, 1993, European journal of biochemistry.

Luminescence spectroscopy of pyridoxic acid and pyridoxic acid bound to proteins.

O. Kwon, J. Churchich, M. Blazquez, 1994, European journal of biochemistry.

Structure-Function Relationships of Porcine Pyridoxal Kinase

Y. Leung, S. Lo, F. Kwok, 2000 .

Reversible unfolding of myo-inositol monophosphatase.

S. Lo, O. Kwon, F. Kwok, 1993, The Journal of biological chemistry.

Binding of pyridoxal 5-phosphate to cystathionase.

J. Churchich, K. O., 1973, The Journal of biological chemistry.

Activation of pyridoxal kinase by metallothionein.

G. Scholz, F. Kwok, J. Churchich, 1989, Biochimica et biophysica acta.

Detection of metal binding to bovine inositol monophosphatase by changes in the near and far ultraviolet regions of the CD spectrum.

M. Gore, K. Rees-Milton, J. Churchich, 1997, European journal of biochemistry.

The binding of substrates and inhibitors to the metal center of myoinositol monophosphatase

F. Kwok, J. Churchich, 1994, FEBS letters.

Structure of Pyridoxal Kinase from Sheep Brain and Role of the Tryptophanyl Residues

B. Maras, S. Valiante, D. Barra, 1999, Journal of protein chemistry.

The interaction of paramagnetic ions chelated to ATP with pyridoxal analogues. Fluorescence studies of pyridoxal kinase.

F. Kwok, J. Churchich, 1991, European journal of biochemistry.

Proteolytic cleavage of pyridoxal kinase into two structural domains.

F. Kwok, J. Churchich, P. Dominici, 1989, Biochimie.

Binding of the Activating Ion Co(II) to myo-Inositol Monophosphatase Monitored by Fluorescence and Phosphorescence Spectroscopy

O. Kwon, J. Churchich, 1997, Journal of protein chemistry.

Fluorescence changes induced by binding of 4-pyridoxic acid 5 -phosphate to proteins.

J. Churchich, 1972, Journal of Biological Chemistry.

The effect of 8 M urea on fluorescence and activity properties of aspartate aminotransferase.

J. Churchich, L. Harpring, 1965, Biochimica et biophysica acta.

Fluorescent Probe Studies of Binding Sites in Proteins and Enzymes

J. Churchich, 1976 .

THE PHOSPHORESCENCE PROPERTIES OF PYRIDOXAL 5-PHOSPHATE.

J. Churchich, 1964, Biochimica et biophysica acta.

Modulation of the catalytic activity of pyridoxal kinase by metallothionein.

G. Scholz, F. Kwok, J. Churchich, 1988, Biochemistry international.

Polarization of fluorescence studies of reduced bovine serum albumin.

J. Churchich, 1962, Archives of biochemistry and biophysics.

Catalytic and regulatory properties of native and chymotrypsin-treated pyridoxine-5-phosphate oxidase.

O. Kwon, F. Kwok, J. Churchich, 1991, The Journal of biological chemistry.

Reversible denaturation of myo-inositol monophosphatase. The stability of the metal-binding loop.

M. Gore, K. Rees-Milton, J. Churchich, 1996, European journal of biochemistry.

Reversible unfolding of pyridoxal kinase.

T. Pineda, J. Churchich, 1993, The Journal of biological chemistry.

Arrangement of the substrates at the active site of brain pyridoxal kinase.

J. D. Gregory, E. Serpersu, J. Churchich, 1991, Journal of Biological Chemistry.

Phosphorescence of Pyridoxal Kinase at Room Temperature: The Effects of Ligands Bound to the Nucleotide Site

F. Kwok, M. Blázquez, T. Pineda, 1994 .

Interaction of the fluorescent analogue palmitoyl-(1,N6) etheno-CoA with mitochondrial malate dehydrogenase and phospholipid vesicles.

G. Powell, J. Churchich, 1978, Biochemical and biophysical research communications.

Spectroscopic studies of myo-inositol monophosphatase with a novel fluorescent substrate.

M. Gore, T. Pineda, J. Churchich, 1996, Biochimica et biophysica acta.

Assay of 1L-myo-inositol-1-phosphatase using a fluorometric method.

F. Kwok, J. Churchich, 1991, Analytical biochemistry.

The polarization of fluorescence of reoxidized muramidase (lysozyme)

J. Churchich, 1962 .

Effector binding sites in plasma amine oxidase.

J. B. Massey, J. Churchich, 1977, Biochimica et biophysica acta.