SMTL ID : 1bmt.1

HOW A PROTEIN BINDS B12: A 3.O ANGSTROM X-RAY STRUCTURE OF THE B12-BINDING DOMAINS OF METHIONINE SYNTHASE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

homo-dimer

Ligands

2 x COB: CO-METHYLCOBALAMIN(Non-covalent)

COB.1: 38 residues within 4Å: Chain A: E.44, M.48, M.51, V.54, G.55, F.58, L.65, V.68, A.72, M.75, K.76, I.101, G.106, D.107, V.108, H.109, D.110, I.111, G.112, I.115, V.116, G.152, L.153, S.154, L.156, I.157, T.158, L.181, G.183, G.184, A.185, T.186, V.207, Q.208, N.209, A.210, T.213 Chain B: Q.243 30 PLIP interactions: 29 interactions with chain A, 1 interactions with chain B, Hydrophobic interactions: A:V.54, A:F.58, A:F.58, A:L.65, A:V.68, A:V.68, A:A.72, A:I.101, A:V.108, A:I.111, A:I.115, A:V.116, A:V.207, A:T.213 Hydrogen bonds: A:E.44, A:E.44, A:G.106, A:V.108, A:D.110, A:D.110, A:I.111, A:T.158, A:T.158, A:T.158, A:G.184, A:A.210, B:Q.243 Water bridges: A:G.112, A:G.112 Metal complexes: A:H.109 COB.2: 37 residues within 4Å: Chain A: T.239 Chain B: E.44, M.48, M.51, V.54, G.55, F.58, L.65, V.68, A.72, M.75, I.101, G.106, D.107, V.108, H.109, D.110, I.111, G.112, K.113, I.115, G.152, L.153, S.154, L.156, I.157, T.158, L.181, G.183, G.184, A.185, T.186, V.207, Q.208, N.209, A.210, T.213 27 PLIP interactions: 27 interactions with chain B, Hydrophobic interactions: B:V.54, B:F.58, B:L.65, B:V.68, B:A.72, B:I.101, B:V.108, B:I.111, B:I.115, B:V.207, B:T.213 Hydrogen bonds: B:E.44, B:G.106, B:V.108, B:D.110, B:D.110, B:D.110, B:I.111, B:T.158, B:T.158, B:T.158, B:G.184, B:A.185, B:A.210 Water bridges: B:G.112, B:G.112 Metal complexes: B:H.109

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Drennan, C.L. et al., How a protein binds B12: A 3.0 A X-ray structure of B12-binding domains of methionine synthase. Science (1994)

Release Date

1995-06-03

Peptides

METHIONINE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

METHIONINE SYNTHASE