1QPO	Transferase	date	Nov 21, 1998
title	Quinolinate Phosphoribosyl Transferase (Qaprtase) Apo-Enzyme Mycobacterium Tuberculosis
authors	V.Sharma, C.Grubmeyer, J.C.Sacchettini, Tb Structural Genomics Consortium (Tbsgc)
compound		source
Molecule: Quinolinate Acid Phosphoribosyl Transferase Chain: A, B, C, D, E, F Synonym: Nicotinate-Nucleotide Pyrophosphorylase, Qaprtase Ec: 2.4.2.19 Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis H37rv Organism_taxid: 83332 Strain: H37rv Gene: Nadc Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_gene: Nadc
symmetry	Space Group: P 31	R_factor 0.176 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 100.584 100.584 145.448 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	SO4	enzyme	Transferase E.C.2.4.2.19 BRENDA
related structures	by homologous chain: 1QPQ
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	Crystal structure of quinolinic acid phosphoribosyltransferase from Mmycobacterium tuberculosis: a potential TB drug target., Sharma V, Grubmeyer C, Sacchettini JC, Structure 1998 Dec 15;6(12):1587-99. PMID:9862811

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (259 Kb) [Save to disk] Biological Unit Coordinates (1qpo.pdb1.gz) 87 Kb Biological Unit Coordinates (1qpo.pdb2.gz) 88 Kb Biological Unit Coordinates (1qpo.pdb3.gz) 88 Kb LPC: Ligand-Protein Contacts for 1QPO CSU: Contacts of Structural Units for 1QPO Likely Quarternary Molecular Structure file(s) for 1QPO Retrieve 1QPO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QPO from S2C, [Save to disk]

View 1QPO 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 1QPO

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QPO, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qpoa1, region A:117-285 [Jmol] [rasmolscript] [script source]     - Domain d1qpoa2, region A:2-116 [Jmol] [rasmolscript] [script source]     - Domain d1qpob2, region B:502-616 [Jmol] [rasmolscript] [script source]     - Domain d1qpob1, region B:617-785 [Jmol] [rasmolscript] [script source]     - Domain d1qpoc2, region C:1002-1116 [Jmol] [rasmolscript] [script source]     - Domain d1qpoc1, region C:1117-1285 [Jmol] [rasmolscript] [script source]     - Domain d1qpod2, region D:1502-1616 [Jmol] [rasmolscript] [script source]     - Domain d1qpod1, region D:1617-1785 [Jmol] [rasmolscript] [script source]     - Domain d1qpoe2, region E:2002-2116 [Jmol] [rasmolscript] [script source]     - Domain d1qpoe1, region E:2117-2285 [Jmol] [rasmolscript] [script source]     - Domain d1qpof2, region F:2502-2616 [Jmol] [rasmolscript] [script source]     - Domain d1qpof1, region F:2617-2785 [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: [1qpo_C] [1qpo_D] [1qpo_E] [1qpo] [1qpo_F] [1qpo_A] [1qpo_B] SWISS-PROT database: [O06594] Domain organization of [NADC_MYCTU] by SWISSPFAM

Other resources with information on 1QPO

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

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