SMTL ID : 1hda.1

A NOVEL ALLOSTERIC MECHANISM IN HAEMOGLOBIN. STRUCTURE OF BOVINE DEOXYHAEMOGLOBIN, ABSENCE OF SPECIFIC CHLORIDE-BINDING SITES AND ORIGIN OF THE CHLORIDE-LINKED BOHR EFFECT IN BOVINE AND HUMAN HAEMOGLOBIN

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-2-2-mer

Ligands

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

HEM.1: 15 residues within 4Å: Chain A: Y.42, F.43, F.46, H.58, K.61, A.65, L.83, L.86, H.87, L.91, V.93, N.97, F.98, L.101, L.136 13 PLIP interactions: 13 interactions with chain A, Hydrophobic interactions: A:F.43, A:F.43, A:L.83, A:L.86, A:L.91, A:V.93, A:V.93, A:F.98, A:F.98, A:L.136 Salt bridges: A:K.61 pi-Stacking: A:H.58 Metal complexes: A:H.87 HEM.2: 16 residues within 4Å: Chain B: F.40, F.41, H.62, K.65, V.66, S.69, F.84, L.87, L.90, H.91, L.95, V.97, N.101, F.102, L.105, L.140 16 PLIP interactions: 16 interactions with chain B, Hydrophobic interactions: B:F.40, B:F.40, B:F.41, B:F.41, B:K.65, B:V.66, B:F.84, B:L.87, B:L.90, B:L.95, B:L.95, B:V.97, B:V.97, B:L.140 pi-Stacking: B:H.62 Metal complexes: B:H.91 HEM.3: 17 residues within 4Å: Chain C: Y.42, F.43, H.45, F.46, H.58, K.61, A.65, L.83, L.86, H.87, L.91, V.93, N.97, F.98, L.101, V.132, L.136 17 PLIP interactions: 17 interactions with chain C, Hydrophobic interactions: C:F.43, C:F.43, C:A.65, C:L.83, C:L.86, C:L.91, C:V.93, C:V.93, C:F.98, C:L.101, C:L.101, C:V.132, C:L.136 Salt bridges: C:H.45, C:K.61 pi-Stacking: C:H.58 Metal complexes: C:H.87 HEM.4: 15 residues within 4Å: Chain D: F.40, F.41, H.62, V.66, S.69, F.84, L.87, L.90, H.91, L.95, V.97, N.101, F.102, L.105, L.140 17 PLIP interactions: 17 interactions with chain D, Hydrophobic interactions: D:F.40, D:F.40, D:F.41, D:F.41, D:V.66, D:F.84, D:L.87, D:L.90, D:L.95, D:L.95, D:V.97, D:V.97, D:N.101, D:L.105, D:L.140 pi-Stacking: D:H.62 Metal complexes: D:H.91

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Perutz, M.F. et al., A novel allosteric mechanism in haemoglobin. Structure of bovine deoxyhaemoglobin, absence of specific chloride-binding sites and origin of the chloride-linked Bohr effect in bovine and human haemoglobin. J.Mol.Biol. (1993)

Release Date

1994-05-31

Peptides

HEMOGLOBIN (DEOXY) (ALPHA CHAIN): AC
HEMOGLOBIN (DEOXY) (BETA CHAIN): BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

HEMOGLOBIN (DEOXY) (ALPHA CHAIN)

HEMOGLOBIN (DEOXY) (BETA CHAIN)

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