SMTL ID : 1jzm.1

Crystal Structure of Scapharca inaequivalvis HbI, I114M Mutant in the Absence of ligand.

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: 19 residues within 4Å: Chain A: Y.50, F.51, R.53, L.54, H.69, T.72, L.73, A.76, L.77, F.97, N.100, H.101, R.104, I.106, E.110, F.111, M.114 Chain B: K.96, N.100 22 PLIP interactions: 19 interactions with chain A, 3 interactions with chain B, Hydrophobic interactions: A:Y.50, A:F.51, A:F.51, A:L.73, A:L.73, A:L.77, A:F.97, A:I.106, A:E.110, A:F.111, A:F.111 Hydrogen bonds: A:N.100, B:N.100 Water bridges: A:H.101 Salt bridges: A:R.53, A:H.101, A:R.104, B:K.96, B:K.96 pi-Stacking: A:H.69 pi-Cation interactions: A:R.104 Metal complexes: A:H.101 HEM.2: 19 residues within 4Å: Chain A: K.96, N.100 Chain B: Y.50, F.51, R.53, L.54, H.69, T.72, L.73, A.76, L.77, F.97, N.100, H.101, R.104, I.106, E.110, F.111, M.114 21 PLIP interactions: 3 interactions with chain A, 18 interactions with chain B, Hydrogen bonds: A:N.100, B:N.100 Salt bridges: A:K.96, A:K.96, B:R.53, B:H.101, B:R.104 Hydrophobic interactions: B:Y.50, B:F.51, B:F.51, B:F.51, B:L.73, B:F.97, B:F.97, B:E.110, B:F.111, B:F.111 Water bridges: B:H.101, B:R.104 pi-Cation interactions: B:R.104 Metal complexes: B:H.101

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Knapp, J.E. et al., Restricting the Ligand-Linked Heme Movement in Scapharca Dimeric Hemoglobin Reveals Tight Coupling between Distal and Proximal Contributions to Cooperativity. Biochemistry (2001)

Release Date

2001-12-19

Peptides

GLOBIN I - ARK SHELL: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

GLOBIN I - ARK SHELL

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