3W4U Oxygen Transport date Jan 16, 2013
title Human Zeta-2 Beta-2-S Hemoglobin
authors M.K.Safo, T.P.Ko, J.E.Russell
compound source
Molecule: Hemoglobin Subunit Zeta
Chain: A, C, E
Synonym: Hbaz, Hemoglobin Zeta Chain, Zeta-Globin
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hbz, Hbz2
Expression_system: Mus Musculus
Expression_system_common: Mouse
Expression_system_taxid: 10090

Molecule: Hemoglobin Subunit Beta
Chain: B, D, F
Synonym: Beta-Globin, Hemoglobin Beta Chain, Lvv-Hemorphin-
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hbb
Expression_system: Mus Musculus
Expression_system_common: Mouse
Expression_system_taxid: 10090
symmetry Space Group: P 31 2 1
R_factor 0.205 R_Free 0.255
length a length b length c angle alpha angle beta angle gamma
115.540 115.540 140.900 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.95 Å
ligand CMO, HEM enzyme
A, C, E
  • peroxidase activity

  • F, D, B
  • peroxidase activity

  • Primary referenceStructure of fully liganded Hb zeta2beta2(s) trapped in a tense conformation., Safo MK, Ko TP, Abdulmalik O, He Z, Wang AH, Schreiter ER, Russell JE, Acta Crystallogr D Biol Crystallogr. 2013 Oct;69(Pt 10):2061-71. doi:, 10.1107/S0907444913019197. Epub 2013 Sep 20. PMID:24100324
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (178 Kb) [Save to disk]
  • Biological Unit Coordinates (3w4u.pdb1.gz) 115 Kb
  • Biological Unit Coordinates (3w4u.pdb2.gz) 113 Kb
  • LPC: Ligand-Protein Contacts for 3W4U
  • CSU: Contacts of Structural Units for 3W4U
  • Structure Factors (782 Kb)
  • Retrieve 3W4U in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3W4U from S2C, [Save to disk]
  • Re-refined 3w4u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3W4U in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 3W4U
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3W4U, from MSDmotif at EBI
  • Fold representative 3w4u from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3w4u_C] [3w4u_E] [3w4u_B] [3w4u_F] [3w4u_D] [3w4u] [3w4u_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3W4U
  • Community annotation for 3W4U at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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