3CAK	Hydrolase	date	Feb 20, 2008
title	X-Ray Structure Of Wt Pte With Ethyl Phosphate
authors	J.Kim, P.C.Tsai, S.C.Almo, F.M.Raushel
compound		source
Molecule: Parathion Hydrolase Chain: A, B Fragment: Unp Residues 35-365 Synonym: Phosphotriesterase, Pte Ec: 3.1.8.1 Engineered: Yes		Organism_scientific: Brevundimonas Diminuta Organism_taxid: 293 Gene: Opd Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 1	R_factor 0.140 R_Free 0.196
crystal cell	length a length b length c angle alpha angle beta angle gamma 43.286 45.338 78.913 104.73 93.40 97.65
method	X-Ray Diffraction	resolution	1.83 Å
ligand	BTB, CO, DPF, EFS, KCX	enzyme	Hydrolase E.C.3.1.8.1 BRENDA
Gene Ontology	Chain Function Process Component A, B aryldialkylphosphatase activ...
Primary reference	Structure of diethyl phosphate bound to the binuclear metal center of phosphotriesterase., Kim J, Tsai PC, Chen SL, Himo F, Almo SC, Raushel FM, Biochemistry. 2008 Sep 9;47(36):9497-504. Epub 2008 Aug 15. PMID:18702530

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (123 Kb) [Save to disk] Biological Unit Coordinates (3cak.pdb1.gz) 117 Kb LPC: Ligand-Protein Contacts for 3CAK CSU: Contacts of Structural Units for 3CAK Likely Quarternary Molecular Structure file(s) for 3CAK Structure Factors (723 Kb) Retrieve 3CAK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CAK from S2C, [Save to disk] Re-refined 3cak structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CAK 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 3CAK

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 3CAK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3cak] [3cak_A] [3cak_B] SWISS-PROT database: [P0A434] Domain organization of [OPD_BREDI] by SWISSPFAM

Other resources with information on 3CAK

Community annotation for 3CAK at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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