SMTL ID : 3vhb.1

IMIDAZOLE ADDUCT OF THE BACTERIAL HEMOGLOBIN FROM VITREOSCILLA SP.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 16 residues within 4Å: Chain A: L.42, F.43, L.57, T.60, V.61, I.81, K.84, H.85, A.88, V.90, H.94, Y.95, V.98, Y.126, F.133 Ligands: IMD.2 19 PLIP interactions: 19 interactions with chain A, Hydrophobic interactions: A:F.43, A:F.43, A:F.43, A:L.57, A:T.60, A:V.61, A:I.81, A:I.81, A:K.84, A:A.88, A:V.90, A:V.90, A:Y.95, A:V.98, A:Y.126, A:F.133, A:F.133 Salt bridges: A:K.84 Metal complexes: A:H.85 HEM.3: 16 residues within 4Å: Chain B: L.42, F.43, L.57, T.60, V.61, I.81, K.84, H.85, A.88, V.90, H.94, Y.95, V.98, Y.126, F.133 Ligands: IMD.4 19 PLIP interactions: 19 interactions with chain B, Hydrophobic interactions: B:L.42, B:L.42, B:F.43, B:F.43, B:F.43, B:L.57, B:T.60, B:V.61, B:I.81, B:A.88, B:V.90, B:V.90, B:Y.95, B:V.98, B:Y.126, B:F.133, B:F.133 Salt bridges: B:K.84 Metal complexes: B:H.85

2 x IMD: IMIDAZOLE(Non-covalent)

IMD.2: 6 residues within 4Å: Chain A: F.28, Y.29, F.43, P.54, L.57 Ligands: HEM.1 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Y.29 IMD.4: 6 residues within 4Å: Chain B: F.28, Y.29, F.43, P.54, L.57 Ligands: HEM.3 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Y.29, B:Y.29 pi-Stacking: B:F.43

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bolognesi, M. et al., Anticooperative ligand binding properties of recombinant ferric Vitreoscilla homodimeric hemoglobin: a thermodynamic, kinetic and X-ray crystallographic study. J.Mol.Biol. (1999)

Release Date

1999-08-18

Peptides

PROTEIN (HEMOGLOBIN): AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

PROTEIN (HEMOGLOBIN)

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