SMTL ID : 4qdk.1 (1 other biounit)

Crystal structure of magnesium protoporphyrin IX methyltransferase (ChlM) from Synechocystis PCC 6803 with bound SAH

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

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

SAH.1: 19 residues within 4Å: Chain A: V.12, F.16, Y.28, H.44, G.70, C.71, G.72, S.75, D.91, I.92, S.93, M.96, Q.119, D.120, L.121, L.134, D.135, V.136, Y.140 13 PLIP interactions: 13 interactions with chain A Hydrogen bonds: A:G.70, A:G.72, A:I.92, A:S.93, A:D.120, A:L.121, A:L.134, A:Y.140 Water bridges: A:G.70, A:G.70, A:S.75, A:L.134 Salt bridges: A:H.44 SAH.3: 21 residues within 4Å: Chain B: K.9, V.12, F.16, Y.28, H.44, G.70, C.71, G.72, S.75, D.91, I.92, S.93, M.96, Q.119, D.120, L.121, L.134, D.135, V.136, Y.140, M.148 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:G.70, B:G.72, B:I.92, B:L.121, B:L.134, B:Y.140, B:Y.140 Water bridges: B:G.70, B:S.75, B:L.134 Salt bridges: B:H.44

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 5 residues within 4Å: Chain A: D.135, I.138, A.165, Y.220, Y.221 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:F.219, A:Y.221, A:Y.221 Water bridges: A:D.135, A:D.135 GOL.4: 5 residues within 4Å: Chain B: D.135, I.138, A.165, Y.220, Y.221 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:F.219, B:Y.221 Water bridges: B:D.135, B:D.135, B:F.164

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, X. et al., Structural insights into the catalytic mechanism of Synechocystis magnesium protoporphyrin IX O-methyltransferase (ChlM). J.Biol.Chem. (2014)

Release Date

2014-08-06

Peptides

Magnesium-protoporphyrin O-methyltransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Magnesium-protoporphyrin O-methyltransferase

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