1CI8	Hydrolase	date	Apr 08, 1999
title	Esterase Estb From Burkholderia Gladioli: An Esterase With ( Lactamase Fold.
authors	U.G.Wagner, E.I.Petersen, H.Schwab, C.Kratky
compound		source
Molecule: Protein (Carboxylesterase) Chain: A, B Synonym: Estb Ec: 3.1.1.1 Engineered: Yes		Organism_scientific: Burkholderia Gladioli Organism_taxid: 28095 Atcc: Ncppb1891, Atcc10248 Collection: Ncppb1891, Atcc10248 Cellular_location: Intracellular Gene: Estb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: E. Coli K12 Expression_system_cellular_location: Intracellular Expression_system_vector_type: Plasmid Expression_system_plasmid: Pms470(Delta)8
symmetry	Space Group: P 32 2 1	R_factor 0.184 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 82.922 82.922 193.460 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	IPA	enzyme	Hydrolase E.C.3.1.1.1 BRENDA
related structures	by homologous chain: 1CI9
Gene Ontology	Chain Function Process Component A, B
Primary reference	EstB from Burkholderia gladioli: a novel esterase with a beta-lactamase fold reveals steric factors to discriminate between esterolytic and beta-lactam cleaving activity., Wagner UG, Petersen EI, Schwab H, Kratky C, Protein Sci 2002 Mar;11(3):467-78. PMID:11847270

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk] Biological Unit Coordinates (1ci8.pdb1.gz) 119 Kb LPC: Ligand-Protein Contacts for 1CI8 CSU: Contacts of Structural Units for 1CI8 Likely Quarternary Molecular Structure file(s) for 1CI8 Retrieve 1CI8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CI8 from S2C, [Save to disk]

View 1CI8 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 1CI8

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CI8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ci8a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ci8b_, 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: [1ci8_B] [1ci8_A] [1ci8] SWISS-PROT database: [Q9KX40] Domain organization of [ESTB_BURGA] by SWISSPFAM

Other resources with information on 1CI8

Community annotation for 1CI8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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