1IBE Oxygen Transport date Sep 25, 1996
title Deoxy-Haemoglobin Trapped In The High-Affinity (R) State
authors J.Wilson, K.Phillips, B.Luisi
compound source
Molecule: Hemoglobin (Deoxy)
Chain: A
Organism_scientific: Equus Caballus
Organism_common: Horse
Organism_taxid: 9796

Molecule: Hemoglobin (Deoxy)
Chain: B

Organism_scientific: Equus Caballus
Organism_common: Horse
Organism_taxid: 9796
symmetry Space Group: C 1 2 1
R_factor 0.179 R_Free 0.230
length a length b length c angle alpha angle beta angle gamma
108.180 63.180 54.580 90.00 111.10 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand HEM enzyme
related structures by homologous chain: 1C7C, 1CBM, 1YE2

  • peroxidase activity

  • Primary referenceThe crystal structure of horse deoxyhaemoglobin trapped in the high-affinity (R) state., Wilson J, Phillips K, Luisi B, J Mol Biol 1996 Dec 13;264(4):743-56. PMID:8980683
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk]
  • Biological Unit Coordinates (1ibe.pdb1.gz) 100 Kb
  • LPC: Ligand-Protein Contacts for 1IBE
  • CSU: Contacts of Structural Units for 1IBE
  • Likely Quarternary Molecular Structure file(s) for 1IBE
  • Retrieve 1IBE in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1IBE from S2C, [Save to disk]
  • View 1IBE in 3D
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  • Visual 3D analysis of 1IBE
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  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1IBE, from MSDmotif at EBI
  • Genome occurence of 1IBE's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ibea_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1ibeb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1ibe from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1ibe] [1ibe_B] [1ibe_A]
  • SWISS-PROT database: [P01958] [P02062]
  • Domain organization of [HBA_HORSE] [HBB_HORSE] by SWISSPFAM
  • Other resources with information on 1IBE
  • Community annotation for 1IBE at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1IBE from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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