SMTL ID : 4wd4.1 (1 other biounit)

Crystal structure of human HO1 H25R

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.95 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 16 residues within 4Å: Chain A: K.22, R.29, E.33, M.38, Q.42, Y.138, T.139, G.143, S.146, G.147, L.151, K.183, R.187, F.211, N.214, F.218 14 PLIP interactions: 14 interactions with chain A, Hydrophobic interactions: A:E.33, A:Q.42, A:Y.138, A:T.139, A:L.151, A:F.211, A:F.218 Hydrogen bonds: A:Y.138, A:S.146 Salt bridges: A:K.22, A:K.22, A:K.183, A:R.187 pi-Cation interactions: A:R.29 HEM.2: 16 residues within 4Å: Chain B: K.22, E.33, M.38, Q.42, Y.138, T.139, G.143, S.146, G.147, V.150, L.151, K.183, R.187, F.211, N.214, F.218 11 PLIP interactions: 11 interactions with chain B, Hydrophobic interactions: B:Q.42, B:T.139, B:V.150, B:F.211, B:F.218 Hydrogen bonds: B:Y.138 Salt bridges: B:K.22, B:R.29, B:K.183, B:R.187 pi-Cation interactions: B:R.29

1 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.3: 2 residues within 4Å: Chain B: K.52, Y.101 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:K.52, B:K.52 Salt bridges: B:D.49

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sigala, P.A. et al., In-Cell Enzymology To Probe His-Heme Ligation in Heme Oxygenase Catalysis. Biochemistry (2016)

Release Date

2015-09-09

Peptides

Heme oxygenase 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Heme oxygenase 1

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