1X8I	Hydrolase	date	Aug 18, 2004
title	Crystal Structure Of The Zinc Carbapenemase Cpha In Complex Antibiotic Biapenem
authors	G.Garau, O.Dideberg
compound		source
Molecule: Beta-Lactamase Chain: A Ec: 3.5.2.6 Engineered: Yes Mutation: Yes		Organism_scientific: Aeromonas Hydrophila Organism_taxid: 644 Gene: Cpha Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)(Plyss) Expression_system_vector_type: Plasmid Expression_system_plasmid: Puc20-Cpha
symmetry	Space Group: C 2 2 21	R_factor 0.151 R_Free 0.183
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.836 101.513 117.364 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	BMH, GOL, SO4, ZN	enzyme	Hydrolase E.C.3.5.2.6 BRENDA
related structures	by homologous chain: 1X8G
Gene Ontology	Chain Function Process Component A
Primary reference	A metallo-beta-lactamase enzyme in action: crystal structures of the monozinc carbapenemase CphA and its complex with biapenem., Garau G, Bebrone C, Anne C, Galleni M, Frere JM, Dideberg O, J Mol Biol 2005 Jan 28;345(4):785-95. PMID:15588826

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (1x8i.pdb1.gz) 42 Kb LPC: Ligand-Protein Contacts for 1X8I CSU: Contacts of Structural Units for 1X8I Likely Quarternary Molecular Structure file(s) for 1X8I Structure Factors (153 Kb) Retrieve 1X8I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1X8I from S2C, [Save to disk] Re-refined 1x8i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1X8I 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 1X8I

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 1X8I, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1x8ia_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1x8i] [1x8i_A] SWISS-PROT database: [P26918] Domain organization of [BLAB_AERHY] by SWISSPFAM Domain found in 1X8I: [Lactamase_B ] by SMART

Other resources with information on 1X8I

Community annotation for 1X8I at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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