SMTL ID : 3gxo.1 (2 other biounits)

Structure of the Mitomycin 7-O-methyltransferase MmcR with bound Mitomycin A

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x SAH: S-ADENOSYL-L-HOMOCYSTEINE(Non-covalent)

SAH.1: 19 residues within 4Å: Chain A: W.166, F.179, M.183, S.187, G.210, G.211, G.212, E.233, R.234, V.237, G.259, D.260, F.261, F.262, K.275, H.276, D.280, W.281 Ligands: MQA.2 14 PLIP interactions: 14 interactions with chain A Hydrogen bonds: A:S.187, A:G.210, A:R.234, A:R.234, A:D.260, A:D.260, A:F.261 Water bridges: A:S.187, A:K.275, A:D.280 Salt bridges: A:K.275 pi-Stacking: A:W.166, A:W.166, A:F.261 SAH.3: 18 residues within 4Å: Chain B: W.166, F.179, M.183, S.187, G.210, G.211, G.212, E.233, R.234, V.237, D.260, F.261, F.262, K.275, H.276, V.277, D.280 Ligands: MQA.4 13 PLIP interactions: 13 interactions with chain B Hydrogen bonds: B:G.210, B:R.234, B:R.234, B:D.260, B:D.260, B:F.261 Water bridges: B:S.187, B:S.187, B:G.214, B:K.275 Salt bridges: B:K.275 pi-Stacking: B:W.166, B:F.261

2 x MQA: [(1aS,8S,8aR,8bS)-6,8a-dimethoxy-5-methyl-4,7-dioxo-1,1a,2,4,7,8,8a,8b-octahydroazireno[2',3':3,4]pyrrolo[1,2-a]indol-8-yl]methyl carbamate(Non-covalent)

MQA.2: 15 residues within 4Å: Chain A: D.130, F.133, F.179, A.182, M.183, V.186, H.276, H.279, D.280, N.308, V.321, L.324, L.325, L.328 Ligands: SAH.1 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.179 Hydrogen bonds: A:N.308, A:N.308 MQA.4: 15 residues within 4Å: Chain B: D.130, F.133, F.179, A.182, M.183, V.186, H.276, H.279, D.280, N.308, V.321, L.324, L.325, L.328 Ligands: SAH.3 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:F.179 Hydrogen bonds: B:N.308, B:N.308

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singh, S. et al., Structural characterization of the mitomycin 7-O-methyltransferase. Proteins (2011)

Release Date

2010-04-21

Peptides

MmcR: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

MmcR

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