1ZN9 Transferase date May 11, 2005
title Human Adenine Phosphoribosyltransferase In Apo And Amp Compl
authors J.Iulek, M.Silva, C.H.T.P.Tomich, O.H.Thiemann
compound source
Molecule: Adenine Phosphoribosyltransferase
Chain: A, B
Synonym: Aprt
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Aprt
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet29a
symmetry Space Group: P 21 21 21
R_factor 0.151 R_Free 0.225
length a length b length c angle alpha angle beta angle gamma
47.511 49.252 140.105 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.05 Å
ligand AMP enzyme Transferase E.C. BRENDA
A, B

Primary referenceStructural Complexes of Human Adenine Phosphoribosyltransferase Reveal Novel Features of the APRT Catalytic Mechanism., Silva CH, Silva M, Iulek J, Thiemann OH, J Biomol Struct Dyn. 2008 Jun;25(6):589-98. PMID:18399692
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk]
  • Biological Unit Coordinates (1zn9.pdb1.gz) 63 Kb
  • LPC: Ligand-Protein Contacts for 1ZN9
  • CSU: Contacts of Structural Units for 1ZN9
  • Likely Quarternary Molecular Structure file(s) for 1ZN9
  • Structure Factors (156 Kb)
  • Retrieve 1ZN9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ZN9 from S2C, [Save to disk]
  • Re-refined 1zn9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1ZN9 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 1ZN9
  • 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 1ZN9, from MSDmotif at EBI
  • Fold representative 1zn9 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1zn9_B] [1zn9] [1zn9_A]
  • SWISS-PROT database: [P07741]
  • Domain organization of [APT_HUMAN] by SWISSPFAM
  • Other resources with information on 1ZN9
  • Community annotation for 1ZN9 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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