2QTR	Transferase	date	Aug 02, 2007
title	Crystal Structure Of Nicotinate Mononucleotide Adenylyltrans
authors	V.C.Sershon, B.D.Santarsiero, A.D.Mesecar
compound		source
Molecule: Probable Nicotinate-Nucleotide Adenylyltransferas Chain: A, B, C Synonym: Deamido-Nad(+) Diphosphorylase,Deamido-Nad(+) Pyrophosphorylase,Nicotinate Mononucleotide Adenylyltransfe Adenylyltransferase; Ec: 2.7.7.18 Engineered: Yes		Organism_scientific: Bacillus Anthracis Organism_taxid: 1392 Gene: Nadd, Baz_04420, Col95_19165 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11a
symmetry	Space Group: C 2 2 21	R_factor 0.219 R_Free 0.257
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.337 158.227 164.088 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	DND, SO4	enzyme	Transferase E.C.2.7.7.18 BRENDA
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Kinetic and X-ray structural evidence for negative cooperativity in substrate binding to nicotinate mononucleotide adenylyltransferase (NMAT) from Bacillus anthracis., Sershon VC, Santarsiero BD, Mesecar AD, J Mol Biol. 2009 Jan 23;385(3):867-88. Epub 2008 Oct 19. PMID:18977360

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (111 Kb) [Save to disk] Biological Unit Coordinates (2qtr.pdb1.gz) 70 Kb Biological Unit Coordinates (2qtr.pdb2.gz) 71 Kb LPC: Ligand-Protein Contacts for 2QTR CSU: Contacts of Structural Units for 2QTR Likely Quarternary Molecular Structure file(s) for 2QTR Structure Factors (554 Kb) Retrieve 2QTR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QTR from S2C, [Save to disk] Re-refined 2qtr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QTR 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 2QTR

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 3D motif for 2QTR, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qtr_A] [2qtr_C] [2qtr_B] [2qtr] SWISS-PROT database: [Q6HT60] Domain organization of [Q6HT60_BACAN] by SWISSPFAM

Other resources with information on 2QTR

Community annotation for 2QTR at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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