1A95	Phosphoribosyltransferase	date	Apr 16, 1998
title	Xprtase From E. Coli Complexed With Mg:Cprpp And Guanine
authors	S.Vos, R.J.Parry, M.R.Burns, J.De Jersey, J.L.Martin
compound		source
Molecule: Xanthine-Guanine Phosphoribosyltransferase Chain: A, B, C, D Synonym: Xprt Ec: 2.4.2.22 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cell_line: Hb101 Atcc: Atcc 37145 Cellular_location: Cytoplasm Gene: Gpt Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Sphi606 Expression_system_atcc_number: 87050 Expression_system_cellular_location: Cytoplasm Expression_system_plasmid: Pt7-7 Expression_system_gene: Gpt
symmetry	Space Group: P 43 21 2	R_factor 0.207 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 94.200 94.200 165.900 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	BO3, GUN, MG, PCP	enzyme	Transferase E.C.2.4.2.22 BRENDA
related structures	by homologous chain: 1A96, 1NUL
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Structures of free and complexed forms of Escherichia coli xanthine-guanine phosphoribosyltransferase., Vos S, Parry RJ, Burns MR, de Jersey J, Martin JL, J Mol Biol 1998 Oct 2;282(4):875-89. PMID:9743633

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk] Biological Unit Coordinates (1a95.pdb1.gz) 95 Kb LPC: Ligand-Protein Contacts for 1A95 CSU: Contacts of Structural Units for 1A95 Likely Quarternary Molecular Structure file(s) for 1A95 Structure Factors (381 Kb) Retrieve 1A95 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A95 from S2C, [Save to disk] Re-refined 1a95 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 1A95

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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 1A95, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a95a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a95b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1a95c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1a95d_, region D [Jmol] [rasmolscript] [script source] 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: [1a95_A] [1a95_B] [1a95_D] [1a95_C] [1a95] SWISS-PROT database: [P0A9M5] Domain organization of [XGPT_ECOLI] by SWISSPFAM

Other resources with information on 1A95

Community annotation for 1A95 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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