1XLW	Hydrolase	date	Sep 30, 2004
title	Diethylphosphorylated Butyrylcholinesterase (Nonaged) Obtain Reaction With Echothiophate
authors	F.Nachon, O.A.Asojo, G.E.O.Borgstahl, P.Masson, O.Lockridge
compound		source
Molecule: Butyrylcholinesterase Chain: A Synonym: Acylcholine Acylhydrolase; Choline Esterase II Butyrylcholine Esterase; Pseudocholinesterase; Ec: 3.1.1.8 Engineered: Yes Mutation: Yes Other_details: Nonaged, Ser 198 Covalently Bound To Dep		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_cell: Baby Hampster Kidney Cells Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgs
symmetry	Space Group: I 4 2 2	R_factor 0.184 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 154.463 154.463 127.011 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	CL, CSS, DEP, FUC, FUL, GOL, NAG, SO4	enzyme	Hydrolase E.C.3.1.1.8 BRENDA
related structures	by homologous chain: 1P0I, 1XLU
Gene Ontology	Chain Function Process Component A
Primary reference	Role of Water in Aging of Human Butyrylcholinesterase Inhibited by Echothiophate: The Crystal Structure Suggests Two Alternative Mechanisms of Aging(,)., Nachon F, Asojo OA, Borgstahl GE, Masson P, Lockridge O, Biochemistry 2005 Feb 1;44(4):1154-1162. PMID:15667209

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk] Biological Unit Coordinates (1xlw.pdb1.gz) 187 Kb Biological Unit Coordinates (1xlw.pdb2.gz) 94 Kb LPC: Ligand-Protein Contacts for 1XLW CSU: Contacts of Structural Units for 1XLW Likely Quarternary Molecular Structure file(s) for 1XLW Structure Factors (342 Kb) Retrieve 1XLW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XLW from S2C, [Save to disk] Re-refined 1xlw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XLW 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 1XLW

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 1XLW, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xlw] [1xlw_A] SWISS-PROT database: [P06276] Domain organization of [CHLE_HUMAN] by SWISSPFAM

Other resources with information on 1XLW

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

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