2B5R	Hydrolase Hydrolase Inhibitor	date	Sep 29, 2005
title	1b Lactamase B Lactamase Inhibitor
authors	O.Rahat, S.Albeck, R.Meged, O.Dym, G.Screiber, Israel Structural Proteomics Center (Ispc)
compound		source
Molecule: Beta-Lactamase Tem Chain: A, B Synonym: Tem-1, Tem-2, Tem-3, Tem-4, Tem-5, Tem-6, Tem-8ca 16caz-7, Tem-24caz-6, Irt-4, Penicillinase; Ec: 3.5.2.6 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Bla Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Beta-Lactamase Inhibitory Protein Chain: C, D Synonym: Blip Engineered: Yes		Organism_scientific: Streptomyces Clavuligerus Organism_taxid: 1901 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.190 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.799 124.473 157.256 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.65 Å
ligand		enzyme	Hydrolase E.C.3.5.2.6 BRENDA
Gene Ontology	Chain Function Process Component A, B D, C
Primary reference	Binding hot spots in the TEM1-BLIP interface in light of its modular architecture., Reichmann D, Cohen M, Abramovich R, Dym O, Lim D, Strynadka NC, Schreiber G, J Mol Biol. 2007 Jan 19;365(3):663-79. Epub 2006 Oct 3. PMID:17070843

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (145 Kb) [Save to disk] Biological Unit Coordinates (2b5r.pdb1.gz) 70 Kb Biological Unit Coordinates (2b5r.pdb2.gz) 71 Kb CSU: Contacts of Structural Units for 2B5R Likely Quarternary Molecular Structure file(s) for 2B5R Structure Factors (1368 Kb) Retrieve 2B5R in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2B5R from S2C, [Save to disk] Re-refined 2b5r structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2B5R 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 2B5R

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 2B5R, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2b5r_A] [2b5r_D] [2b5r] [2b5r_B] [2b5r_C] SWISS-PROT database: [P62593] [P35804] Domain organization of [BLAT_ECOLX] [BLIP_STRCL] by SWISSPFAM

Other resources with information on 2B5R

Community annotation for 2B5R at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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