4KWV	Transferase	date	May 24, 2013
title	Crystal Structure Of Human Apo-Qprt
authors	S.S.Malik, D.N.Patterson, 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; Ec: 2.4.2.19 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 0.212 R_Free 0.237
crystal cell	length a length b length c angle alpha angle beta angle gamma 178.562 178.562 121.597 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand		enzyme	Transferase E.C.2.4.2.19 BRENDA
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	The 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] (247 Kb) [Save to disk] Biological Unit Coordinates (4kwv.pdb1.gz) 242 Kb CSU: Contacts of Structural Units for 4KWV Structure Factors (1195 Kb) Retrieve 4KWV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4KWV from S2C, [Save to disk] Re-refined 4kwv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4KWV 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 4KWV

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 4KWV, from MSDmotif at EBI Fold representative 4kwv from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4kwv_A] [4kwv_C] [4kwv] [4kwv_F] [4kwv_D] [4kwv_E] [4kwv_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 4KWV

Community annotation for 4KWV at PDBWiki (http://pdbwiki.org)

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