SMTL ID : 3sc0.2 (1 other biounit)

Crystal Structure of MMACHC (1-238), a human B12 processing enzyme, complexed with MethylCobalamin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-dimer

Ligands

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

COB.1: 30 residues within 4Å: Chain A: L.37, L.38, P.39, F.42, D.107, P.116, I.118, L.119, A.120, Q.121, T.122, H.125, V.126, Y.132, Q.134, Q.136, R.147, S.149, V.151, C.152, F.161, A.162, I.163, R.164, F.199, N.200, W.203, Y.208, R.209 Chain B: R.114 26 PLIP interactions: 26 interactions with chain A, Hydrophobic interactions: A:L.37, A:Q.121, A:H.125, A:Y.132, A:F.199, A:F.199, A:W.203 Hydrogen bonds: A:D.107, A:I.118, A:A.120, A:Q.121, A:Y.132, A:Y.132, A:Q.134, A:Q.136, A:R.147, A:S.149, A:C.152, A:I.163, A:R.209 Water bridges: A:E.109, A:Q.121, A:R.147, A:S.149, A:G.150, A:G.150 COB.2: 30 residues within 4Å: Chain A: R.114 Chain B: L.37, L.38, P.39, F.42, D.107, P.116, I.118, L.119, A.120, Q.121, T.122, H.125, V.126, Y.132, Q.134, Q.136, R.147, S.149, V.151, C.152, F.161, A.162, I.163, R.164, F.199, N.200, W.203, Y.208, R.209 26 PLIP interactions: 26 interactions with chain B, Hydrophobic interactions: B:L.37, B:Q.121, B:H.125, B:Y.132, B:F.199, B:F.199, B:W.203 Hydrogen bonds: B:D.107, B:I.118, B:A.120, B:Q.121, B:Y.132, B:Y.132, B:Q.134, B:Q.136, B:R.147, B:S.149, B:C.152, B:I.163, B:R.209 Water bridges: B:E.109, B:Q.121, B:R.147, B:S.149, B:G.150, B:G.150

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Koutmos, M. et al., Structural basis of multifunctionality in a vitamin B12-processing enzyme. J.Biol.Chem. (2011)

Release Date

2011-06-22

Peptides

Methylmalonic aciduria and homocystinuria type C protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Methylmalonic aciduria and homocystinuria type C protein

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