SMTL ID : 3lgm.1

Crystal structure of reduced IsdI in complex with heme

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.88 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 20 residues within 4Å: Chain A: N.8, R.23, F.24, R.27, Q.28, G.29, I.30, M.39, I.55, T.57, F.65, W.68, F.74, A.77, H.78, V.81, L.83, I.94, N.97, V.99 25 PLIP interactions: 25 interactions with chain A, Hydrophobic interactions: A:N.8, A:R.23, A:F.24, A:I.30, A:I.30, A:I.55, A:T.57, A:F.65, A:W.68, A:W.68, A:F.74, A:V.81, A:V.81, A:L.83, A:I.94, A:V.99 Hydrogen bonds: A:Q.28, A:Q.28, A:Q.28, A:I.30 Water bridges: A:N.26 Salt bridges: A:R.23, A:R.27 pi-Stacking: A:F.74 Metal complexes: A:H.78 HEM.2: 20 residues within 4Å: Chain B: N.8, R.23, F.24, R.27, Q.28, G.29, I.30, M.39, I.55, T.57, F.65, W.68, F.74, A.77, H.78, V.81, L.83, I.94, N.97, V.99 24 PLIP interactions: 24 interactions with chain B, Hydrophobic interactions: B:I.30, B:I.55, B:T.57, B:F.65, B:W.68, B:W.68, B:F.74, B:V.81, B:V.81, B:L.83, B:I.94, B:V.99 Hydrogen bonds: B:Q.28, B:Q.28, B:I.30 Water bridges: B:R.23, B:R.23, B:R.23, B:F.24, B:R.27 Salt bridges: B:R.23, B:R.27 pi-Stacking: B:F.24 Metal complexes: B:H.78

1 x MG: MAGNESIUM ION(Non-functional Binders)

MG.3: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Reniere, M.L. et al., The IsdG-family of haem oxygenases degrades haem to a novel chromophore. Mol.Microbiol. (2010)

Release Date

2010-03-09

Peptides

Heme-degrading monooxygenase isdI: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Heme-degrading monooxygenase isdI

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