SMTL ID : 9s4k.1

Human carboxyhemoglobin bound to Staphylococcus aureus IsdH-N2N3 - 2IsdH:Hbdim complex - 3DVA component 4 left tail

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY 4.00 Å

Oligo State

hetero-1-1-2-mer

Ligands

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

HEM.1: 20 residues within 4Å: Chain A: M.31, T.38, Y.41, F.42, H.44, F.45, H.57, K.60, V.61, A.64, L.65, L.82, L.85, H.86, L.90, N.96, F.97, L.100, L.135 Chain C: Y.322 20 PLIP interactions: 19 interactions with chain A, 1 interactions with chain C, Hydrophobic interactions: A:F.42, A:F.42, A:F.42, A:F.45, A:K.60, A:V.61, A:L.82, A:L.82, A:L.90, A:N.96, A:F.97, A:F.97, A:L.100, A:L.135 Salt bridges: A:H.44, A:H.57, A:K.60 pi-Stacking: A:H.57 Metal complexes: A:H.86 Hydrogen bonds: C:Y.322 HEM.2: 14 residues within 4Å: Chain B: F.41, H.62, V.66, A.69, F.70, F.84, L.87, L.90, H.91, L.95, N.101, F.102, L.105, L.140 12 PLIP interactions: 12 interactions with chain B, Hydrophobic interactions: B:F.41, B:V.66, B:A.69, B:F.70, B:F.84, B:L.87, B:L.95, B:F.102, B:L.105, B:L.140 pi-Stacking: B:H.62 Metal complexes: B:H.91

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Comani, V.B. et al., Hemoglobin receptor redundancy in Staphylococcus aureus: molecular flexibility as a determinant of divergent hemophore activity. J Struct Biol X (2025)

Release Date

2025-11-12

Peptides

Hemoglobin subunit alpha: A
Hemoglobin subunit beta: B
Iron-regulated surface determinant protein H: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Hemoglobin subunit alpha

Hemoglobin subunit beta

Iron-regulated surface determinant protein H

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