1ORE	Transferase	date	Mar 12, 2003
title	Human Adenine Phosphoribosyltransferase
authors	O.H.Thiemann, M.Silva, G.Oliva, C.H.T.P.Silva, J.Iulek
compound		source
Molecule: Adenine Phosphoribosyltransferase Chain: A 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_plasmid: Pet29a(+)
symmetry	Space Group: P 43 21 2	R_factor 0.133 R_Free 0.176
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.309 58.309 109.535 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	AMP, CL	enzyme	Transferase E.C.2.4.2.7 BRENDA
Gene Ontology	Chain Function Process Component A adenine binding adenine phosphoribosyltransf... AMP binding transferase activity transferase activity, transf... purine nucleobase metabolic ... purine ribonucleoside salvag... adenine salvage lactation grooming behavior nucleoside metabolic process... cellular response to insulin... purine-containing compound s... AMP salvage small molecule metabolic pro... nucleobase-containing small ... nucleus nucleolus cytoplasm cytosol
Primary reference	Three-dimensional structure of human adenine phosphoribosyltransferase and its relation to DHA-urolithiasis., Silva M, Silva CH, Iulek J, Thiemann OH, Biochemistry 2004 Jun 22;43(24):7663-71. PMID:15196008

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk] Biological Unit Coordinates (1ore.pdb1.gz) 65 Kb LPC: Ligand-Protein Contacts for 1ORE CSU: Contacts of Structural Units for 1ORE Likely Quarternary Molecular Structure file(s) for 1ORE Structure Factors (83 Kb) Retrieve 1ORE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ORE from S2C, [Save to disk] Re-refined 1ore structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ORE 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 1ORE

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 1ORE, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1orea_, region A [Jmol] [rasmolscript] [script source] Fold representative 1ore from FSSP and Dali (Families of Structurally Similar Proteins) Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ore_A] SWISS-PROT database: [P07741] Domain organization of [APT_HUMAN] by SWISSPFAM Alignments of the sequence of 1ORE with the sequences similar proteins can be viewed for 1ORE's classification [APT_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [APT_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 1ORE

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

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