4KWW Transferase Transferase Inhibitor date May 24, 2013
title The Crystal Structure Of Human Quinolinic Acid Phosphoribosyltransferase In Complex With Its Inhibitor Pht
authors S.S.Malik, P.N.Dimeka, Z.Ncube, E.A.Toth
compound source
Molecule: Nicotinate-Nucleotide Pyrophosphorylase [Carboxyl
Chain: A, B, C, D, E, F
Synonym: Quinolinate Phosphoribosyltransferase [Decarboxyla Qaprtase, Qprtase;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Qprt
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 32 2 1
R_factor 0.195 R_Free 0.231
length a length b length c angle alpha angle beta angle gamma
179.837 179.837 121.371 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.55 Å
ligand PHT enzyme Transferase E.C. BRENDA
F, A, D, C, E, B

Primary referenceThe crystal structure of human quinolinic acid phosphoribosyltransferase in complex with its inhibitor phthalic acid., Malik SS, Patterson DN, Ncube Z, Toth EA, Proteins. 2013 Aug 28. doi: 10.1002/prot.24406. PMID:24038671
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (255 Kb) [Save to disk]
  • Biological Unit Coordinates (4kww.pdb1.gz) 249 Kb
  • LPC: Ligand-Protein Contacts for 4KWW
  • CSU: Contacts of Structural Units for 4KWW
  • Structure Factors (1177 Kb)
  • Retrieve 4KWW in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4KWW from S2C, [Save to disk]
  • Re-refined 4kww structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4KWW 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 4KWW
  • 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 4KWW, from MSDmotif at EBI
  • Fold representative 4kww from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4kww_D] [4kww_C] [4kww] [4kww_B] [4kww_E] [4kww_A] [4kww_F]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4KWW
  • Community annotation for 4KWW at PDBWiki (http://pdbwiki.org)

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