3DKK	Hydrolase	date	Jun 25, 2008
title	Aged Form Of Human Butyrylcholinesterase Inhibited By Tabun
authors	F.Nachon, E.Carletti
compound		source
Molecule: Cholinesterase Chain: A Fragment: Unp Residues 29-557 Synonym: Acylcholine Acylhydrolase, Choline Esterase II, Butyrylcholine Esterase, Pseudocholinesterase; Ec: 3.1.1.8 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell_line: Ovary Cells Gene: Bche, Che1 Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_strain: Cho-K1 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgs
symmetry	Space Group: I 4 2 2	R_factor 0.197 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 155.240 155.240 127.470 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.31 Å
ligand	CL, FUL, NA, NAG, SEN, SO4	enzyme	Hydrolase E.C.3.1.1.8 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Aging of Cholinesterases Phosphylated by Tabun Proceeds through O-Dealkylation., Carletti E, Li H, Li B, Ekstrom F, Nicolet Y, Loiodice M, Gillon E, Froment MT, Lockridge O, Schopfer LM, Masson P, Nachon F, J Am Chem Soc. 2008 Nov 1. PMID:18975951

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk] Biological Unit Coordinates (3dkk.pdb1.gz) 92 Kb Biological Unit Coordinates (3dkk.pdb2.gz) 719 Kb LPC: Ligand-Protein Contacts for 3DKK CSU: Contacts of Structural Units for 3DKK Likely Quarternary Molecular Structure file(s) for 3DKK Structure Factors (539 Kb) Retrieve 3DKK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3DKK from S2C, [Save to disk] Re-refined 3dkk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3DKK 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 3DKK

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 3DKK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3dkk_A] [3dkk_] [3dkk] SWISS-PROT database: [P06276] Domain organization of [CHLE_HUMAN] by SWISSPFAM

Other resources with information on 3DKK

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

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