1ACJ	Hydrolase(Carboxylic Esterase)	date	Aug 18, 1993
title	Quaternary Ligand Binding To Aromatic Residues In The Active Gorge Of Acetylcholinesterase
authors	J.L.Sussman, M.Harel, I.Silman
compound		source
Molecule: Acetylcholinesterase Chain: A Ec: 3.1.1.7 Engineered: Yes		Organism_scientific: Torpedo Californica Organism_common: Pacific Electric Ray Organism_taxid: 7787
symmetry	Space Group: P 31 2 1	R_factor 0.195 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 113.700 113.700 138.100 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	THA BindingDB	enzyme	Hydrolase E.C.3.1.1.7 BRENDA
note	1ACJ (Molecule of the Month:pdb54)
related structures	by homologous chain: 1ACL, 1QIJ
Gene Ontology	Chain Function Process Component A acetylcholine catabolic proc...
Primary reference	Quaternary ligand binding to aromatic residues in the active-site gorge of acetylcholinesterase., Harel M, Schalk I, Ehret-Sabatier L, Bouet F, Goeldner M, Hirth C, Axelsen PH, Silman I, Sussman JL, Proc Natl Acad Sci U S A 1993 Oct 1;90(19):9031-5. PMID:8415649

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (90 Kb) [Save to disk] Biological Unit Coordinates (1acj.pdb1.gz) 169 Kb LPC: Ligand-Protein Contacts for 1ACJ CSU: Contacts of Structural Units for 1ACJ Likely Quarternary Molecular Structure file(s) for 1ACJ Retrieve 1ACJ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ACJ from S2C, [Save to disk]

View 1ACJ in 3D

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Visual 3D analysis of 1ACJ

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1ACJ, from MSDmotif at EBI Genome occurence of 1ACJ's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1acj__, region [Jmol] [rasmolscript] [script source] Fold representative 1acj from FSSP and Dali (Families of Structurally Similar Proteins) 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: [1acj_A] [1acj] SWISS-PROT database: [P04058] Domain organization of [ACES_TORCA] by SWISSPFAM

Other resources with information on 1ACJ

Community annotation for 1ACJ at PDBWiki (http://pdbwiki.org) LED, table of lipase structures from Lipase Engineering Database. MMDB (Entrez's Structure Database)

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