SMTL ID : 3i8r.1 (2 other biounits)

Crystal structure of the heme oxygenase from Corynebacterium diphtheriae (HmuO) in complex with heme binding ditiothreitol (DTT)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.50 Å

Oligo State

monomer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: K.13, H.20, A.23, E.24, M.29, L.33, Y.130, V.131, L.134, G.135, S.138, G.139, V.142, I.143, R.177, F.201, N.204, F.208 Ligands: DTV.4 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:A.23, A:E.24, A:L.33, A:V.131, A:V.142, A:I.143, A:F.201, A:F.201, A:N.204, A:F.208 Hydrogen bonds: A:Y.130, A:Y.130 Salt bridges: A:K.13, A:H.20, A:R.177 Metal complexes: A:H.20

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 4 residues within 4Å: Chain A: S.26, T.27, H.205, A.209 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.26, A:T.27 Water bridges: A:F.28 Salt bridges: A:H.205 SO4.3: 3 residues within 4Å: Chain A: R.99, I.100, T.101 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.101, A:T.101 Water bridges: A:Q.48 Salt bridges: A:R.99

1 x DTV: (2S,3S)-1,4-DIMERCAPTOBUTANE-2,3-DIOL(Non-covalent)

DTV.4: 7 residues within 4Å: Chain A: R.132, G.135, D.136, G.139, G.140, I.143 Ligands: HEM.1 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.132, A:D.136, A:D.136

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Matsui, T. et al., Dioxygen activation for the self-degradation of heme: reaction mechanism and regulation of heme oxygenase. Inorg.Chem. (2010)

Release Date

2010-05-19

Peptides

Heme oxygenase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Heme oxygenase

Related Entries With Identical Sequence