2QXT	Hydrolase	date	Aug 13, 2007
title	Crystal Structure Analysis Of The Bacillus Subtilis Lipase Crystallized At Ph 4.5
authors	E.Rajakumara, R.Sankaranarayanan
compound		source
Molecule: Lipase Chain: A, B Synonym: Triacylglycerol Lipase Ec: 3.1.1.3 Engineered: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Gene: Lipa Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-21b
symmetry	Space Group: P 43 21 2	R_factor 0.208 R_Free 0.250
crystal cell	length a length b length c angle alpha angle beta angle gamma 74.936 74.936 112.016 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand		enzyme	Hydrolase E.C.3.1.1.3 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural basis for the remarkable stability of Bacillus subtilis lipase (Lip A) at low pH., Rajakumara E, Acharya P, Ahmad S, Sankaranaryanan R, Rao NM, Biochim Biophys Acta. 2007 Nov 12;. PMID:18053819

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk] Biological Unit Coordinates (2qxt.pdb1.gz) 30 Kb Biological Unit Coordinates (2qxt.pdb2.gz) 30 Kb Biological Unit Coordinates (2qxt.pdb3.gz) 59 Kb CSU: Contacts of Structural Units for 2QXT Likely Quarternary Molecular Structure file(s) for 2QXT Structure Factors (184 Kb) Retrieve 2QXT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QXT from S2C, [Save to disk] Re-refined 2qxt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QXT 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 2QXT

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 2QXT, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qxt] [2qxt_B] [2qxt_A] SWISS-PROT database: [P37957] Domain organization of [ESTA_BACSU] by SWISSPFAM

Other resources with information on 2QXT

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

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