3D2B	Hydrolase	date	May 08, 2008
title	Structure Of 2d9, A Thermostable Mutant Of Bacillus Subtilis Obtained Through Directed Evolution
authors	R.Sankaranarayanan, M.Z.Kamal
compound		source
Molecule: Lipase Chain: A, B Synonym: Triacylglycerol Lipase Ec: 3.1.1.3 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Gene: Lipa, Lip, Bsu02700 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21b
symmetry	Space Group: I 2 2 2	R_factor 0.184 R_Free 0.210
crystal cell	length a length b length c angle alpha angle beta angle gamma 75.203 117.399 117.555 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand		enzyme	Hydrolase E.C.3.1.1.3 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Thermostable Bacillus subtilis lipases: in vitro evolution and structural insight., Ahmad S, Kamal MZ, Sankaranarayanan R, Rao NM, J Mol Biol. 2008 Aug 29;381(2):324-40. Epub 2008 Jul 2. PMID:18599073

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk] Biological Unit Coordinates (3d2b.pdb1.gz) 30 Kb Biological Unit Coordinates (3d2b.pdb2.gz) 31 Kb CSU: Contacts of Structural Units for 3D2B Likely Quarternary Molecular Structure file(s) for 3D2B Structure Factors (304 Kb) Retrieve 3D2B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3D2B from S2C, [Save to disk] Re-refined 3d2b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3D2B 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 3D2B

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 3D2B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3d2b_A] [3d2b_B] [3d2b] SWISS-PROT database: [P37957] Domain organization of [ESTA_BACSU] by SWISSPFAM

Other resources with information on 3D2B

Community annotation for 3D2B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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