SMTL ID : 1ash.1

THE STRUCTURE OF ASCARIS HEMOGLOBIN DOMAIN I AT 2.2 ANGSTROMS RESOLUTION: MOLECULAR FEATURES OF OXYGEN AVIDITY

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

monomer

Ligands

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

HEM.1: 18 residues within 4Å: Chain A: M.34, L.41, Y.44, F.45, F.61, Q.65, K.68, I.69, A.72, R.96, H.97, V.102, M.104, V.108, W.109, F.112, F.141 Ligands: OXY.2 18 PLIP interactions: 18 interactions with chain A, Hydrophobic interactions: A:L.41, A:Y.44, A:F.45, A:F.45, A:F.45, A:K.68, A:I.69, A:I.69, A:A.72, A:V.102, A:V.108, A:W.109, A:W.109, A:F.112, A:F.141 Salt bridges: A:K.68, A:R.96 Metal complexes: A:H.97

1 x OXY: OXYGEN MOLECULE(Non-covalent)

OXY.2: 5 residues within 4Å: Chain A: Y.31, F.45, Q.65, I.69 Ligands: HEM.1 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.31, A:Y.31, A:Q.65

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yang, J. et al., The structure of Ascaris hemoglobin domain I at 2.2 A resolution: molecular features of oxygen avidity. Proc.Natl.Acad.Sci.USA (1995)

Release Date

1995-02-27

Peptides

HEMOGLOBIN (OXY): A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

HEMOGLOBIN (OXY)