1I3E	Oxygen Storage Transport	date	Feb 15, 2001
title	Human Azido-Met Hemoglobin Bart'S (Gamma4)
authors	R.D.Kidd, H.M.Baker, A.J.Mathews, T.Brittain, E.N.Baker
compound		source
Molecule: Hemoglobin Gamma Chains Chain: A, B Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hbg1 Expression_system: Saccharomyces Cerevisiae Expression_system_common: Baker'S Yeast Expression_system_taxid: 4932 Expression_system_strain: Gsy112 Expression_system_vector_type: Plasmid Expression_system_plasmid: Prmae389
symmetry	Space Group: P 21 21 2	R_factor 0.184 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 60.541 81.625 53.036 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.86 Å
ligand	AZI, HEM	enzyme
related structures	by homologous chain: 1KD2, 1O1M
Gene Ontology	Chain Function Process Component A, B peroxidase activity
Primary reference	Oligomerization and ligand binding in a homotetrameric hemoglobin: two high-resolution crystal structures of hemoglobin Bart's (gamma(4)), a marker for alpha-thalassemia., Kidd RD, Baker HM, Mathews AJ, Brittain T, Baker EN, Protein Sci 2001 Sep;10(9):1739-49. PMID:11514664

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk] Biological Unit Coordinates (1i3e.pdb1.gz) 102 Kb LPC: Ligand-Protein Contacts for 1I3E CSU: Contacts of Structural Units for 1I3E Likely Quarternary Molecular Structure file(s) for 1I3E Structure Factors (218 Kb) Retrieve 1I3E in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I3E from S2C, [Save to disk] Re-refined 1i3e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 1I3E

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Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1I3E, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1i3ea_, region A [Jmol] [rasmolscript] [script source]     - Domain d1i3eb_, region B [Jmol] [rasmolscript] [script source] 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: [1i3e_B] [1i3e] [1i3e_A] SWISS-PROT database: [P69891] Domain organization of [HBG1_HUMAN] by SWISSPFAM

Other resources with information on 1I3E

Community annotation for 1I3E at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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