1C3B Hydrolase date Jul 27, 1999
title Ampc Beta-Lactamase From E. Coli Complexed With Inhibitor, B Thiophene-2-Boronic Acid (Bzb)
authors R.A.Powers, J.Blazquez, G.S.Weston, M.I.Morosini, F.Baquero, B.K.
compound source
Molecule: Cephalosporinase
Chain: A, B
Ec: 3.5.2.6
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 83333
Strain: K12
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm109
Expression_system_plasmid: Pogo295
symmetry Space Group: C 1 2 1
R_factor 0.167 R_Free 0.224
crystal
cell
length a length b length c angle alpha angle beta angle gamma
118.859 78.012 98.962 90.00 116.07 90.00
method X-Ray Diffractionresolution 2.25 Å
ligand BZB BindingDB enzyme Hydrolase E.C.3.5.2.6 BRENDA
related structures by homologous chain: 1KDW, 1S6R
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceThe complexed structure and antimicrobial activity of a non-beta-lactam inhibitor of AmpC beta-lactamase., Powers RA, Blazquez J, Weston GS, Morosini MI, Baquero F, Shoichet BK, Protein Sci 1999 Nov;8(11):2330-7. PMID:10595535
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (119 Kb) [Save to disk]
  • Biological Unit Coordinates (1c3b.pdb1.gz) 116 Kb
  • LPC: Ligand-Protein Contacts for 1C3B
  • CSU: Contacts of Structural Units for 1C3B
  • Likely Quarternary Molecular Structure file(s) for 1C3B
  • Structure Factors (266 Kb)
  • Retrieve 1C3B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1C3B from S2C, [Save to disk]
  • Re-refined 1c3b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1C3B 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 1C3B
  • 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 1C3B, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1c3ba_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1c3bb_, region B [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1c3b_A] [1c3b_B] [1c3b]
  • SWISS-PROT database: [P00811]
  • Domain organization of [AMPC_ECOLI] by SWISSPFAM
  • Other resources with information on 1C3B
  • Community annotation for 1C3B at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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