1Z7G Transferase date Mar 24, 2005
title Free Human Hgprt
authors D.T.Keough, I.M.Brereton, J.De Jersey, L.W.Guddat
compound source
Molecule: Hypoxanthine-Guanine Phosphoribosyltransferase
Chain: A, B, C, D
Synonym: Hgprt, Hgprtase
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hprt1, Hprt
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: S 606
Expression_system_plasmid: Phtm
symmetry Space Group: C 1 2 1
R_factor 0.213 R_Free 0.254
length a length b length c angle alpha angle beta angle gamma
149.570 51.800 117.520 90.00 105.80 90.00
method X-Ray Diffractionresolution 1.90 Å
enzyme Transferase E.C. BRENDA
note 1Z7G (Molecule of the Month:pdb151)
A, D, C, B

Primary referenceThe crystal structure of free human hypoxanthine-guanine phosphoribosyltransferase reveals extensive conformational plasticity throughout the catalytic cycle., Keough DT, Brereton IM, de Jersey J, Guddat LW, J Mol Biol 2005 Aug 5;351(1):170-81. PMID:15990111
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (142 Kb) [Save to disk]
  • Biological Unit Coordinates (1z7g.pdb1.gz) 136 Kb
  • Biological Unit Coordinates (1z7g.pdb2.gz) 138 Kb
  • CSU: Contacts of Structural Units for 1Z7G
  • Likely Quarternary Molecular Structure file(s) for 1Z7G
  • Structure Factors (970 Kb)
  • Retrieve 1Z7G in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1Z7G from S2C, [Save to disk]
  • Re-refined 1z7g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1Z7G 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 1Z7G
  • 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 1Z7G, from MSDmotif at EBI
  • Fold representative 1z7g from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1z7g_D] [1z7g_B] [1z7g_C] [1z7g] [1z7g_A]
  • SWISS-PROT database: [P00492]
  • Domain organization of [HPRT_HUMAN] by SWISSPFAM
  • Other resources with information on 1Z7G
  • Community annotation for 1Z7G 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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