1ZN7	Transferase	date	May 11, 2005
title	Human Adenine Phosphoribosyltransferase Complexed With Prpp, R5p
authors	J.Iulek, M.Silva, C.H.T.P.Tomich, O.H.Thiemann
compound		source
Molecule: Adenine Phosphoribosyltransferase Chain: A, B Synonym: Aprt Ec: 2.4.2.7 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 1	R_factor 0.146 R_Free 0.190
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.019 47.267 47.522 76.59 69.26 61.89
method	X-Ray Diffraction	resolution	1.83 Å
ligand	ADE, HSX, MG, PO4, PRP	enzyme	Transferase E.C.2.4.2.7 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural 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] (72 Kb) [Save to disk] Biological Unit Coordinates (1zn7.pdb1.gz) 65 Kb LPC: Ligand-Protein Contacts for 1ZN7 CSU: Contacts of Structural Units for 1ZN7 Likely Quarternary Molecular Structure file(s) for 1ZN7 Structure Factors (203 Kb) Retrieve 1ZN7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ZN7 from S2C, [Save to disk] Re-refined 1zn7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ZN7 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 1ZN7

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 1ZN7, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1zn7] [1zn7_B] [1zn7_A] SWISS-PROT database: [P07741] Domain organization of [APT_HUMAN] by SWISSPFAM

Other resources with information on 1ZN7

Community annotation for 1ZN7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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