2PEG Oxygen Storage Transport date Apr 03, 2007
title Crystal Structure Of Trematomus Bernacchii Hemoglobin In A P Hemichrome State
authors A.Vergara, M.Franzese, A.Merlino, L.Vitagliano, L.Mazzarella
compound source
Molecule: Hemoglobin Subunit Alpha
Chain: A
Synonym: Hemoglobin Alpha Chain, Alpha-Globin
Organism_scientific: Trematomus Bernacchii
Organism_common: Emerald Rockcod
Organism_taxid: 40690

Molecule: Hemoglobin Subunit Beta
Chain: B
Synonym: Hemoglobin Beta Chain, Beta-Globin

Organism_scientific: Trematomus Bernacchii
Organism_common: Emerald Rockcod
Organism_taxid: 40690
symmetry Space Group: C 1 2 1
R_factor 0.199 R_Free 0.234
length a length b length c angle alpha angle beta angle gamma
87.160 87.740 55.380 90.00 97.66 90.00
method X-Ray Diffractionresolution 1.48 Å
ligand ACE, HEM enzyme


Primary referenceStructural characterization of ferric hemoglobins from three Antarctic fish species of the suborder Notothenioidei., Vergara A, Franzese M, Merlino A, Vitagliano L, Verde C, di Prisco G, Lee HC, Peisach J, Mazzarella L, Biophys J. 2007 Jun 1;. PMID:17545238
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk]
  • Biological Unit Coordinates (2peg.pdb1.gz) 101 Kb
  • LPC: Ligand-Protein Contacts for 2PEG
  • CSU: Contacts of Structural Units for 2PEG
  • Likely Quarternary Molecular Structure file(s) for 2PEG
  • Structure Factors (637 Kb)
  • Retrieve 2PEG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2PEG from S2C, [Save to disk]
  • Re-refined 2peg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2PEG 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 2PEG
  • 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 2PEG, from MSDmotif at EBI
  • Fold representative 2peg from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2peg_B] [2peg] [2peg_A]
  • SWISS-PROT database: [P80043] [P80044]
  • Domain organization of [HBA_PAGBE] [HBB_PAGBE] by SWISSPFAM
  • Other resources with information on 2PEG
  • Community annotation for 2PEG at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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