1ODC	Hydrolase	date	Feb 15, 2003
title	Structure Of Acetylcholinesterase (E.C. 3.1.1.7) Complexed W Quinolyl-N'-9"-(1",2",3",4"-Tetrahydroacridinyl)-1,8- Diami At 2.2a Resolution
authors	D.M.Wong, H.M.Greenblatt, P.R.Carlier, Y.F.Han, Y.P.Pang, I.Sil J.L.Sussman
compound		source
Molecule: Acetylcholinesterase Chain: A Synonym: Ache Ec: 3.1.1.7 Other_details: Inter-Monomer Disulfide Bridge		Organism_scientific: Torpedo Californica Organism_common: Pacific Electric Ray Organism_taxid: 7787 Variant: G2 Form Organ: Electric Organ Tissue: Electroplaque Other_details: Synthetic Heterobivalent Tacrine-Based Dimer 4'-Quinolyl-N'-9"-(1", 2", 3", 4" -Tetrahydroacridinyl)-1, Diaminooctane) Dihydrochloride With The Tacrine Moiety Boun 'Anionic' Subsite, Near The Bottom Of The Active Site Gorge 4-Aminoquinoline Moiety Bound To The 'Peripheral' Anionic S At The Top Of The Gorge Of Tcache, Both In A Double-Stackin Sandwich. The Ligand, A8b, Thus Binds By Spanning The Activ Gorge.
symmetry	Space Group: P 31 2 1	R_factor 0.199 R_Free 0.240
crystal cell	length a length b length c angle alpha angle beta angle gamma 111.487 111.487 136.744 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	A8B, NAG	enzyme	Hydrolase E.C.3.1.1.7 BRENDA
related structures	by homologous chain: 1GQR, 1VXR
Gene Ontology	Chain Function Process Component A acetylcholine catabolic proc...
Primary reference	Complexes of alkylene-linked tacrine dimers with Torpedo californica acetylcholinesterase: Binding of Bis5-tacrine produces a dramatic rearrangement in the active-site gorge., Rydberg EH, Brumshtein B, Greenblatt HM, Wong DM, Shaya D, Williams LD, Carlier PR, Pang YP, Silman I, Sussman JL, J Med Chem. 2006 Sep 7;49(18):5491-500. PMID:16942022

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (96 Kb) [Save to disk] Biological Unit Coordinates (1odc.pdb1.gz) 173 Kb LPC: Ligand-Protein Contacts for 1ODC CSU: Contacts of Structural Units for 1ODC Likely Quarternary Molecular Structure file(s) for 1ODC Structure Factors (366 Kb) Retrieve 1ODC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ODC from S2C, [Save to disk] Re-refined 1odc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ODC 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 1ODC

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 1ODC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1odc_A] [1odc] SWISS-PROT database: [P04058] Domain organization of [ACES_TORCA] by SWISSPFAM

Other resources with information on 1ODC

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

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