3RQW	Transport Protein	date	Apr 28, 2011
title	Crystal Structure Of Acetylcholine Bound To A Prokaryotic Pe Ligand-Gated Ion Channel, Elic
authors	J.J.Pan, Q.Chen, K.Yoshida, A.Cohen, X.P.Kong, Y.Xu, P.Tang
compound		source
Molecule: Elic Pentameric Ligand Gated Ion Channel From Erw Chrysanthemi; Chain: A, B, C, D, E, F, G, H, I, J Fragment: Unp Residues 22-343 Engineered: Yes		Organism_scientific: Dickeya Dadantii Organism_common: Erwinia Chrysanthemi Organism_taxid: 198628 Strain: 3937 Gene: Dda3937_00520 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.206 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.763 266.068 111.162 90.00 107.82 90.00
method	X-Ray Diffraction	resolution	2.91 Å
ligand	ACH, GOL, MES	enzyme
Gene	DDA3937
Gene Ontology	Chain Function Process Component F, A, J, E, B, H, C, D, I, G
Primary reference	Structure of the pentameric ligand-gated ion channel ELIC cocrystallized with its competitive antagonist acetylcholine., Pan J, Chen Q, Willenbring D, Yoshida K, Tillman T, Kashlan OB, Cohen A, Kong XP, Xu Y, Tang P, Nat Commun. 2012 Mar 6;3:714. doi: 10.1038/ncomms1703. PMID:22395605

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (518 Kb) [Save to disk] Biological Unit Coordinates (3rqw.pdb1.gz) 257 Kb Biological Unit Coordinates (3rqw.pdb2.gz) 258 Kb LPC: Ligand-Protein Contacts for 3RQW CSU: Contacts of Structural Units for 3RQW Structure Factors (6460 Kb) Retrieve 3RQW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3RQW from S2C, [Save to disk] Re-refined 3rqw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3RQW in 3D

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Visual 3D analysis of 3RQW

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 3RQW, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3rqw_F] [3rqw_D] [3rqw_E] [3rqw_G] [3rqw_J] [3rqw_C] [3rqw] [3rqw_A] [3rqw_B] [3rqw_I] [3rqw_H] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3RQW

Community annotation for 3RQW at PDBWiki (http://pdbwiki.org)

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