2BG1	Peptidoglycan	date	Dec 16, 2004
title	Active Site Restructuring Regulates Ligand Recognition In Cl Penicillin-Binding Proteins (Pbps)
authors	P.Macheboeuf, A.M.Di Guilmi, V.Job, T.Vernet, O.Dideberg, A.Desse
compound		source
Molecule: Penicillin-Binding Protein 1b Chain: A Fragment: Transpeptidase Domain, Residues 101-125 And Resid 791; Synonym: Pbp1b Ec: 2.4.1.129 Engineered: Yes Mutation: Yes		Organism_scientific: Streptococcus Pneumoniae Organism_taxid: 171101 Strain: R6 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex
symmetry	Space Group: C 2 2 21	R_factor 0.202 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.331 149.447 97.976 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CL, SO4	enzyme	Transferase E.C.2.4.1.129 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Active site restructuring regulates ligand recognition in class A penicillin-binding proteins., Macheboeuf P, Di Guilmi AM, Job V, Vernet T, Dideberg O, Dessen A, Proc Natl Acad Sci U S A. 2005 Jan 18;102(3):577-82. Epub 2005 Jan 6. PMID:15637155

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (84 Kb) [Save to disk] Biological Unit Coordinates (2bg1.pdb1.gz) 79 Kb LPC: Ligand-Protein Contacts for 2BG1 CSU: Contacts of Structural Units for 2BG1 Likely Quarternary Molecular Structure file(s) for 2BG1 Structure Factors (425 Kb) Retrieve 2BG1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BG1 from S2C, [Save to disk] Re-refined 2bg1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 2BG1, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2bg1] [2bg1_A] SWISS-PROT database: [O70038] Domain organization of [O70038_STRPN] by SWISSPFAM

Other resources with information on 2BG1

Community annotation for 2BG1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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