1B41	Hydrolase Toxin	date	Jan 05, 1999
title	Human Acetylcholinesterase Complexed With Fasciculin-II, Gly Protein
authors	G.Kryger, M.Harel, A.Shafferman, I.Silman, J.L.Sussman
compound		source
Molecule: Acetylcholinesterase Chain: A Fragment: Single Domain Synonym: Huache H-Subunit Ec: 3.1.1.7 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ache Expression_system: Homo Sapiens Expression_system_common: Human Expression_system_taxid: 9606 Expression_system_cell_line: Hek 293 Expression_system_tissue: Kidney Expression_system_cell: Human Embryonic Kidney Cells
Molecule: Fasciculin-2 Chain: B Fragment: Single Domain Synonym: Acetylcholinesterase Toxin F-Vii Mutation: Yes		Organism_scientific: Dendroaspis Angusticeps Organism_common: Eastern Green Mamba Organism_taxid: 8618 Tissue: Venom
symmetry	Space Group: H 3 2	R_factor 0.219 R_Free 0.265
crystal cell	length a length b length c angle alpha angle beta angle gamma 148.990 148.990 247.010 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.76 Å
ligand	FUC, NAG	enzyme	Hydrolase E.C.3.1.1.7 BRENDA
note	1B41 (Molecule of the Month:pdb54)
related structures	by homologous chain: 1F8U, 1KU6, 1Q83
Gene Ontology	Chain Function Process Component A acetylcholine catabolic proc... acetylcholine catabolic proc... B toxin activity
Primary reference	Structures of recombinant native and E202Q mutant human acetylcholinesterase complexed with the snake-venom toxin fasciculin-II., Kryger G, Harel M, Giles K, Toker L, Velan B, Lazar A, Kronman C, Barak D, Ariel N, Shafferman A, Silman I, Sussman JL, Acta Crystallogr D Biol Crystallogr 2000 Nov;56 ( Pt 11):1385-94. PMID:11053835

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (105 Kb) [Save to disk] Biological Unit Coordinates (1b41.pdb1.gz) 194 Kb LPC: Ligand-Protein Contacts for 1B41 CSU: Contacts of Structural Units for 1B41 Likely Quarternary Molecular Structure file(s) for 1B41 Structure Factors (215 Kb) Retrieve 1B41 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B41 from S2C, [Save to disk] Re-refined 1b41 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1B41 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 1B41

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 1B41, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b41a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1b41b_, region B [Jmol] [rasmolscript] [script source] 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: [1b41_B] [1b41] [1b41_A] SWISS-PROT database: [P22303] [P0C1Z0] Domain organization of [ACES_HUMAN] [TXFA2_DENAN] by SWISSPFAM

Other resources with information on 1B41

Community annotation for 1B41 at PDBWiki (http://pdbwiki.org) LED, table of lipase structures from Lipase Engineering Database. MMDB (Entrez's Structure Database)

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