D. R. Di Masi

Transport of Vitamin B12 in Escherichia coli: Common Receptor Sites for Vitamin B12 and the E Colicins on the Outer Membrane of the Cell Envelope

J. White, C. Bradbeer, C. Schnaitman, 1973, Journal of bacteriology.

Transport of vitamin B12 in Escherichia coli. Corrinoid specificities of the periplasmic B12-binding protein and of energy-dependent B12 transport.

C. Bradbeer, M. Leighton, D. R. Di Masi, 1978, The Journal of biological chemistry.