SMTL ID : 2pbj.1 (1 other biounit)

GSH-heme bound microsomal prostaglandin E synthase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 2 residues within 4Å: Chain A: R.50, R.59 Ligand excluded by PLIP CL.4: 2 residues within 4Å: Chain B: R.50, R.59 Ligand excluded by PLIP

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.2: 14 residues within 4Å: Chain A: Y.20, T.22, C.23, P.24, F.25, P.47, R.50, V.156, H.157, I.159, S.160, I.177, L.206 Ligands: GSH.3 13 PLIP interactions: 13 interactions with chain A, Hydrophobic interactions: A:Y.20, A:Y.20, A:Y.20, A:P.24, A:F.25, A:V.156, A:I.159, A:I.177 Hydrogen bonds: A:H.157 Water bridges: A:D.152 Salt bridges: A:H.157, A:H.157, A:H.210 HEM.5: 14 residues within 4Å: Chain B: Y.20, T.22, C.23, P.24, F.25, P.47, R.50, V.156, H.157, I.159, S.160, I.177, L.206 Ligands: GSH.6 12 PLIP interactions: 12 interactions with chain B, Hydrophobic interactions: B:Y.20, B:Y.20, B:Y.20, B:P.24, B:F.25, B:V.156, B:I.159, B:I.177 Hydrogen bonds: B:H.157 Salt bridges: B:H.157, B:H.157, B:H.210

2 x GSH: GLUTATHIONE(Non-covalent)

GSH.3: 10 residues within 4Å: Chain A: Y.20, C.23, F.25, R.59, K.60, V.61, P.62, D.77, S.78 Ligands: HEM.2 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:F.25, A:K.60 Hydrogen bonds: A:V.61, A:V.61, A:D.77, A:S.78 Water bridges: A:Y.20, A:Y.58, A:N.76, A:S.79, A:S.79 GSH.6: 10 residues within 4Å: Chain B: Y.20, C.23, F.25, R.59, K.60, V.61, P.62, D.77, S.78 Ligands: HEM.5 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:F.25, B:K.60 Hydrogen bonds: B:V.61, B:V.61, B:D.77, B:S.78, B:S.79 Water bridges: B:V.61, B:N.76, B:K.121

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yamada, T. et al., PGH2 degradation pathway catalyzed by GSH-heme complex bound microsomal prostaglandin E2 synthase type 2: the first example of a dual-function enzyme. Biochemistry (2007)

Release Date

2008-02-12

Peptides

Prostaglandin E synthase 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Prostaglandin E synthase 2

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