1QAP Glycosyltransferase date Sep 20, 1996
title Quinolinic Acid Phosphoribosyltransferase With Bound Quinoli
authors J.C.Eads, D.Ozturk, T.B.Wexler, C.Grubmeyer, J.C.Sacchettini
compound source
Molecule: Quinolinic Acid Phosphoribosyltransferase
Chain: A, B
Synonym: Quinolinate Prtase, Qaprtase, Qaprt, Qprt
Ec: 2.4.2.19
Engineered: Yes
Organism_scientific: Salmonella Typhimurium
Organism_taxid: 602
Cell_line: Bl21
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_plasmid: Pdoqa01
symmetry Space Group: P 41 21 2
R_factor 0.186 R_Free 0.274
crystal
cell
length a length b length c angle alpha angle beta angle gamma
81.400 81.400 217.300 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.80 Å
ligand NTM enzyme Transferase E.C.2.4.2.19 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceA new function for a common fold: the crystal structure of quinolinic acid phosphoribosyltransferase., Eads JC, Ozturk D, Wexler TB, Grubmeyer C, Sacchettini JC, Structure 1997 Jan 15;5(1):47-58. PMID:9016724
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (93 Kb) [Save to disk]
  • Biological Unit Coordinates (1qap.pdb1.gz) 89 Kb
  • LPC: Ligand-Protein Contacts for 1QAP
  • CSU: Contacts of Structural Units for 1QAP
  • Likely Quarternary Molecular Structure file(s) for 1QAP
  • Retrieve 1QAP in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QAP from S2C, [Save to disk]
  • View 1QAP 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 1QAP
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1QAP, from MSDmotif at EBI
  • Genome occurence of 1QAP's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qapa1, region A:130-296 [Jmol] [rasmolscript] [script source]
        - Domain d1qapa2, region A:8-129 [Jmol] [rasmolscript] [script source]
        - Domain d1qapb1, region B:130-296 [Jmol] [rasmolscript] [script source]
        - Domain d1qapb2, region B:8-129 [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: [1qap] [1qap_B] [1qap_A]
  • SWISS-PROT database: [P30012]
  • Domain organization of [NADC_SALTY] by SWISSPFAM
  • Other resources with information on 1QAP
  • Community annotation for 1QAP 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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