Methionine Synthase

C.L.DRENNAN, S.HUANG, J.T.DRUMMOND, R.G.MATTHEWS,
M.L.LUDWIG (2-Sep-1994)
(page prepared by BB from Chem 351, Spring 2004)
View within 8 Å of metal center
Show non-protein only
Hide water
Show protein backbone, colored by structure
Cruiser Index

The PDB entry 1BMT, it has two cobalt metal centers which appear to be symmetric copies of each other, I have focused on one of the atoms. The cobalt is coordinated with 6 atoms:
C: 1.956A
N (of His): 2.242
N: 2.013
N: 2.017
N: 1.924
N: 1.916
The article referenced is: Drennan, C.L., Huang, S., Drummond, J.T., Matthews, R.G., Lidwig, M.L.: How a protein binds b12: A 3.0A X-ray structure of B12-binding domains of methionine synthase. Science. 266 pp. 1669 (1994).