4B3W Oxygen Transport date Jul 26, 2012
title Crystal Structure Of Human Cytoglobin H(E7)Q Mutant
authors M.Gabba, S.Abbruzzetti, F.Spyrakis, F.Forti, S.Bruno, A.Mozzarell F.J.Luque, C.Viappiani, P.Cozzini, M.Nardini, F.Germani, M.Bolog L.Moens, S.Dewilde
compound source
Molecule: Cytoglobin
Chain: A, B
Synonym: Histoglobin, Hgb, Stellate Cell Activation-Associa Protein;
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_variant: Plyss
symmetry Space Group: P 21 21 21
R_factor 0.20658 R_Free 0.27727
crystal
cell
length a length b length c angle alpha angle beta angle gamma
48.844 70.054 102.072 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.80 Å
ligand ACT, CYN, FC6, HEM enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • peroxidase activity
  • fatty acid peroxidase activi...


  • Primary referenceCO Rebinding Kinetics and Molecular Dynamics Simulations Highlight Dynamic Regulation of Internal Cavities in Human Cytoglobin., Gabba M, Abbruzzetti S, Spyrakis F, Forti F, Bruno S, Mozzarelli A, Luque FJ, Viappiani C, Cozzini P, Nardini M, Germani F, Bolognesi M, Moens L, Dewilde S, PLoS One. 2013;8(1):e49770. doi: 10.1371/journal.pone.0049770. Epub 2013 Jan 4. PMID:23308092
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (115 Kb) [Save to disk]
  • Biological Unit Coordinates (4b3w.pdb1.gz) 109 Kb
  • LPC: Ligand-Protein Contacts for 4B3W
  • CSU: Contacts of Structural Units for 4B3W
  • Structure Factors (131 Kb)
  • Retrieve 4B3W in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4B3W from S2C, [Save to disk]
  • Re-refined 4b3w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4B3W 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 4B3W
  • 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
  • 3D motif for 4B3W, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4b3w_B] [4b3w_A] [4b3w]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4B3W
  • Community annotation for 4B3W at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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