2Y54	Receptor	date	Jan 12, 2011
title	Fragment Growing Induces Conformational Changes In Acetylcho Binding Protein: A Structural And Thermodynamic Analysis - 1)
authors	P.Rucktooa, E.Edink, I.J.P.Deesch, T.K.Sixma
compound		source
Molecule: Soluble Acetylcholine Receptor Chain: A, B, C, D, E Fragment: Residues 20-236 Synonym: Acetylcholine Binding Protein Engineered: Yes		Organism_scientific: Aplysia Californica Organism_common: California Sea Hare Organism_taxid: 6500 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_cell_line: Sf21 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac1
symmetry	Space Group: I 2 3	R_factor 0.192 R_Free 0.217
crystal cell	length a length b length c angle alpha angle beta angle gamma 216.420 216.420 216.420 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.65 Å
ligand	CL, SO4, V63 BindingDB	enzyme
Gene Ontology	Chain Function Process Component A, D, C, E, B
Primary reference	Fragment growing induces conformational changes in acetylcholine-binding protein: a structural and thermodynamic analysis., Edink E, Rucktooa P, Retra K, Akdemir A, Nahar T, Zuiderveld O, van Elk R, Janssen E, van Nierop P, van Muijlwijk-Koezen J, Smit AB, Sixma TK, Leurs R, de Esch IJ, J Am Chem Soc. 2011 Apr 13;133(14):5363-71. Epub 2011 Feb 15. PMID:21322593

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (358 Kb) [Save to disk] Biological Unit Coordinates (2y54.pdb1.gz) 351 Kb LPC: Ligand-Protein Contacts for 2Y54 CSU: Contacts of Structural Units for 2Y54 Structure Factors (393 Kb) Retrieve 2Y54 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2Y54 from S2C, [Save to disk] Re-refined 2y54 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 2Y54, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2y54_A] [2y54_E] [2y54] [2y54_B] [2y54_C] [2y54_D] SWISS-PROT database: Domain organization of by SWISSPFAM

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Community annotation for 2Y54 at PDBWiki (http://pdbwiki.org)

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