2BR7	Receptor Protein	date	May 03, 2005
title	Crystal Structure Of Acetylcholine-Binding Protein (Achbp) F Aplysia Californica In Complex With Hepes
authors	P.H.N.Celie, I.E.Kasheverov, D.Y.Mordvintsev, R.C.Hogg, P.Van Ni R.Van Elk, S.E.Van Rossum-Fikkert, M.N.Zhmak, D.Bertrand, V.Tse T.K.Sixma, A.B.Smit
compound		source
Molecule: Soluble Acetylcholine Receptor Chain: A, B, C, D, E Synonym: Acetylcholine-Binding Protein Engineered: Yes Other_details: Hepes Buffer Molecule Identified In 4 Out Of Binding Sites		Organism_scientific: Aplysia Californica Organism_common: Sea Hare Organism_taxid: 6500 Cell: Glial Cell Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbaci
symmetry	Space Group: I 2 3	R_factor 0.174 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 204.203 204.203 204.203 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	EPE	enzyme
related structures	by homologous chain: 2BR8
Gene Ontology	Chain Function Process Component A, D, C, E, B
Primary reference	Crystal structure of nicotinic acetylcholine receptor homolog AChBP in complex with an alpha-conotoxin PnIA variant., Celie PH, Kasheverov IE, Mordvintsev DY, Hogg RC, van Nierop P, van Elk R, van Rossum-Fikkert SE, Zhmak MN, Bertrand D, Tsetlin V, Sixma TK, Smit AB, Nat Struct Mol Biol. 2005 Jul;12(7):582-8. Epub 2005 Jun 12. PMID:15951818

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (170 Kb) [Save to disk] Biological Unit Coordinates (2br7.pdb1.gz) 163 Kb LPC: Ligand-Protein Contacts for 2BR7 CSU: Contacts of Structural Units for 2BR7 Likely Quarternary Molecular Structure file(s) for 2BR7 Structure Factors (258 Kb) Retrieve 2BR7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BR7 from S2C, [Save to disk] Re-refined 2br7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2BR7 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 2BR7

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 2BR7, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2br7_E] [2br7_A] [2br7_C] [2br7] [2br7_D] [2br7_B] SWISS-PROT database: [Q8WSF8] Domain organization of [Q8WSF8_APLCA] by SWISSPFAM

Other resources with information on 2BR7

Community annotation for 2BR7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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