SMTL ID : 4fnh.1

Crystal structure of IsdI-W66Y in complex with heme

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 21 residues within 4Å: Chain A: N.8, L.10, R.23, F.24, N.26, R.27, Q.28, G.29, I.30, M.39, I.55, T.57, F.65, Y.68, L.69, F.74, A.77, H.78, V.81, L.83, N.97 27 PLIP interactions: 27 interactions with chain A, Hydrophobic interactions: A:L.10, A:R.23, A:F.24, A:F.24, A:F.24, A:I.30, A:T.57, A:Y.68, A:L.69, A:A.77, A:V.81, A:V.81, A:L.83, A:N.97 Hydrogen bonds: A:N.26, A:Q.28, A:Q.28, A:I.30, A:A.77 Water bridges: A:R.23, A:R.23, A:R.23, A:R.23, A:N.26 Salt bridges: A:R.23 pi-Stacking: A:F.74 Metal complexes: A:H.78 HEM.2: 20 residues within 4Å: Chain B: N.8, L.10, R.23, F.24, R.27, Q.28, G.29, I.30, M.39, I.55, F.65, Y.68, L.69, F.74, A.77, H.78, V.81, L.83, I.94, N.97 26 PLIP interactions: 26 interactions with chain B, Hydrophobic interactions: B:L.10, B:R.23, B:F.24, B:F.24, B:I.30, B:I.55, B:Y.68, B:L.69, B:V.81, B:V.81, B:L.83, B:I.94, B:N.97 Hydrogen bonds: B:Q.28, B:Q.28, B:I.30, B:A.77 Water bridges: B:R.23, B:R.23, B:R.23, B:R.23, B:Q.28 Salt bridges: B:R.23 pi-Stacking: B:F.24, B:F.74 Metal complexes: B:H.78

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ukpabi, G. et al., Inactivation of the heme degrading enzyme IsdI by an active site substitution that diminishes heme ruffling. J.Biol.Chem. (2012)

Release Date

2012-08-22

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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