1FR6	Hydrolase	date	Sep 07, 2000
title	Refined Crystal Structure Of Beta-Lactamase From Citrobacter Indicates A Mechanism For Beta-Lactam Hydrolysis
authors	C.Oefner, A.D'Arcy, J.J.Daly, F.K.Winkler
compound		source
Molecule: Beta-Lactamase Chain: A, B Ec: 3.5.2.6		Organism_scientific: Citrobacter Freundii Organism_taxid: 546 Strain: 1203
symmetry	Space Group: P 21 21 21	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.070 84.630 89.770 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	AZR BindingDB	enzyme	Hydrolase E.C.3.5.2.6 BRENDA
related structures	by homologous chain: 1FCM
Gene Ontology	Chain Function Process Component A, B
Primary reference	Refined crystal structure of beta-lactamase from Citrobacter freundii indicates a mechanism for beta-lactam hydrolysis., Oefner C, D'Arcy A, Daly JJ, Gubernator K, Charnas RL, Heinze I, Hubschwerlen C, Winkler FK, Nature 1990 Jan 18;343(6255):284-8. PMID:2300174

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (128 Kb) [Save to disk] Biological Unit Coordinates (1fr6.pdb1.gz) 63 Kb Biological Unit Coordinates (1fr6.pdb2.gz) 62 Kb LPC: Ligand-Protein Contacts for 1FR6 CSU: Contacts of Structural Units for 1FR6 Likely Quarternary Molecular Structure file(s) for 1FR6 Retrieve 1FR6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1FR6 from S2C, [Save to disk]

View 1FR6 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 1FR6

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1FR6, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1fr6a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1fr6b_, 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: [1fr6_B] [1fr6_A] [1fr6] SWISS-PROT database: [Q46041] Domain organization of [Q46041_CITFR] by SWISSPFAM

Other resources with information on 1FR6

Community annotation for 1FR6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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