SMTL ID : 1twr.1

Crystal structures of ferrous and ferrous-NO forms of verdoheme in a complex with human heme oxygenase-1: catalytic implications for heme cleavage

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

2 x VER: IRON-OCTAETHYLPORPHYRIN(Non-covalent)

VER.1: 14 residues within 4Å: Chain A: K.18, H.25, M.34, Q.38, Y.134, T.135, G.139, S.142, L.147, R.183, F.207, N.210, F.214 Ligands: NO.2 10 PLIP interactions: 10 interactions with chain A, Hydrophobic interactions: A:T.135, A:L.147, A:F.207, A:F.207, A:N.210, A:F.214 Salt bridges: A:R.183 pi-Stacking: A:H.25, A:H.25 Metal complexes: A:H.25 VER.3: 14 residues within 4Å: Chain B: K.18, H.25, E.29, M.34, Q.38, Y.134, T.135, G.139, L.147, R.183, F.207, N.210, F.214 Ligands: NO.4 15 PLIP interactions: 14 interactions with chain B, 1 Ligand-Ligand interactions Hydrophobic interactions: B:E.29, B:Q.38, B:Y.134, B:L.147, B:F.207, B:F.207, B:N.210, B:F.214 Hydrogen bonds: B:Y.134 Salt bridges: B:K.18, B:R.183 pi-Stacking: B:H.25 pi-Cation interactions: B:H.25 Metal complexes: B:H.25, NO.4

2 x NO: NITRIC OXIDE(Non-covalent)

NO.2: 2 residues within 4Å: Chain A: G.139 Ligands: VER.1 No protein-ligand interaction detected (PLIP) NO.4: 3 residues within 4Å: Chain B: G.139, G.143 Ligands: VER.3 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lad, L. et al., Crystal structures of ferrous and ferrous-NO forms of verdoheme in a complex with human heme oxygenase-1: catalytic implications for heme cleavage. J.Inorg.Biochem. (2004)

Release Date

2005-07-05

Peptides

Heme oxygenase 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Heme oxygenase 1

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