1DX6	Hydrolase	date	Dec 21, 1999
title	Structure Of Acetylcholinesterase Complexed With (-)-Galanthamine At 2.3a Resolution
authors	H.M.Greenblatt, G.Kryger, T.T.Lewis, I.Silman, J.L.Sussman
compound		source
Molecule: Acetylcholinesterase Chain: A Ec: 3.1.1.7 Other_details: Plant Alkaloid Galanthamine Bound In Active Site Gorge		Organism_scientific: Torpedo Californica Organism_common: Pacific Electric Ray Organism_taxid: 7787 Variant: G2 Form Organ: Electric Organ Tissue: Electroplaque
symmetry	Space Group: P 31 2 1	R_factor 0.192 R_Free 0.235
crystal cell	length a length b length c angle alpha angle beta angle gamma 111.234 111.234 136.967 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	GNT, NAG, PG4	enzyme	Hydrolase E.C.3.1.1.7 BRENDA
related structures	by homologous chain: 1QIG, 2DFP
Gene	ACHE (T. californica)
Gene Ontology	Chain Function Process Component A acetylcholinesterase activit... carboxylesterase activity cholinesterase activity hydrolase activity acetylcholine catabolic proc... neurotransmitter catabolic p... plasma membrane membrane extrinsic to membrane cell junction anchored to membrane synapse
Primary reference	Structure of acetylcholinesterase complexed with (-)-galanthamine at 2.3 A resolution., Greenblatt HM, Kryger G, Lewis T, Silman I, Sussman JL, FEBS Lett 1999 Dec 17;463(3):321-6. PMID:10606746

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1dx6.pdb1.gz) 183 Kb LPC: Ligand-Protein Contacts for 1DX6 CSU: Contacts of Structural Units for 1DX6 Likely Quarternary Molecular Structure file(s) for 1DX6 Structure Factors (352 Kb) Retrieve 1DX6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DX6 from S2C, [Save to disk]

View 1DX6 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 1DX6

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1DX6, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dx6a_, region A [Jmol] [rasmolscript] [script source] Fold representative 1dx6 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: [1dx6] [1dx6_A] SWISS-PROT database: [P04058] Domain organization of [ACES_TORCA] by SWISSPFAM Alignments of the sequence of 1DX6 with the sequences similar proteins can be viewed for 1DX6's classification [ACES_TORCA] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [ACES_TORCA] at ProtoMap. Click on the Cluster number.

Other resources with information on 1DX6

Community annotation for 1DX6 at PDBWiki (http://pdbwiki.org) LED, table of lipase structures from Lipase Engineering Database. PDBREPORT (protein verification by WHAT_CHECK procedures) MMDB (Entrez's Structure Database)

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