SMTL ID : 1ith.1

STRUCTURE DETERMINATION AND REFINEMENT OF HOMOTETRAMERIC HEMOGLOBIN FROM URECHIS CAUPO AT 2.5 ANGSTROMS RESOLUTION

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-tetramer

Ligands

4 x CYN: CYANIDE ION(Non-covalent)

CYN.1: 5 residues within 4Å: Chain A: F.44, Q.64, V.68, H.94 Ligands: HEM.2 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.64 CYN.3: 4 residues within 4Å: Chain B: F.44, Q.64, H.94 Ligands: HEM.4 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Q.64 CYN.5: 5 residues within 4Å: Chain C: F.44, Q.64, V.68, H.94 Ligands: HEM.6 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:Q.64 CYN.7: 4 residues within 4Å: Chain D: F.44, Q.64, H.94 Ligands: HEM.8 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:Q.64

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

HEM.2: 15 residues within 4Å: Chain A: Y.33, F.43, F.44, K.46, Q.64, V.68, Y.71, K.90, S.93, H.94, M.97, I.99, H.103, F.104 Ligands: CYN.1 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:F.43, A:F.43, A:F.44, A:V.68, A:Y.71, A:H.103, A:F.104, A:F.104 Hydrogen bonds: A:S.93, A:S.93 Water bridges: A:Q.64, A:Q.64, A:K.90 Salt bridges: A:K.46, A:K.90 Metal complexes: A:H.94 HEM.4: 18 residues within 4Å: Chain B: Y.33, F.43, F.44, K.46, Q.64, T.67, V.68, Y.71, K.90, S.93, H.94, M.97, I.99, H.103, F.104, L.107, L.108 Ligands: CYN.3 24 PLIP interactions: 24 interactions with chain B, Hydrophobic interactions: B:Y.33, B:F.43, B:F.43, B:F.44, B:F.44, B:T.67, B:V.68, B:Y.71, B:I.99, B:I.99, B:H.103, B:F.104, B:F.104, B:L.107, B:L.108 Hydrogen bonds: B:Q.64, B:S.93, B:S.93 Water bridges: B:K.46, B:K.46, B:K.90 Salt bridges: B:K.46, B:K.90 Metal complexes: B:H.94 HEM.6: 15 residues within 4Å: Chain C: Y.33, F.43, F.44, K.46, Q.64, V.68, Y.71, K.90, S.93, H.94, M.97, I.99, H.103, F.104 Ligands: CYN.5 16 PLIP interactions: 16 interactions with chain C, Hydrophobic interactions: C:F.43, C:F.43, C:F.44, C:V.68, C:Y.71, C:H.103, C:F.104, C:F.104 Hydrogen bonds: C:S.93, C:S.93 Water bridges: C:Q.64, C:Q.64, C:K.90 Salt bridges: C:K.46, C:K.90 Metal complexes: C:H.94 HEM.8: 18 residues within 4Å: Chain D: Y.33, F.43, F.44, K.46, Q.64, T.67, V.68, Y.71, K.90, S.93, H.94, M.97, I.99, H.103, F.104, L.107, L.108 Ligands: CYN.7 24 PLIP interactions: 24 interactions with chain D, Hydrophobic interactions: D:Y.33, D:F.43, D:F.43, D:F.44, D:F.44, D:T.67, D:V.68, D:Y.71, D:I.99, D:I.99, D:H.103, D:F.104, D:F.104, D:L.107, D:L.108 Hydrogen bonds: D:Q.64, D:S.93, D:S.93 Water bridges: D:K.46, D:K.46, D:K.90 Salt bridges: D:K.46, D:K.90 Metal complexes: D:H.94

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kolatkar, P.R. et al., Structure determination and refinement of homotetrameric hemoglobin from Urechis caupo at 2.5 A resolution. Acta Crystallogr.,Sect.B (1992)

Release Date

1993-10-31

Peptides

HEMOGLOBIN (CYANO MET): ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

HEMOGLOBIN (CYANO MET)