2XNU	Receptor	date	Aug 06, 2010
title	Acetylcholine Binding Protein (Achbp) As Template For Hierar Silico Screening Procedures To Identify Structurally Novel For The Nicotinic Receptors
authors	P.Rucktooa, A.Akdemir, I.Deesch, T.K.Sixma
compound		source
Molecule: Soluble Acetylcholine Receptor Chain: A, B, C, D, E Engineered: Yes Other_details: Compound 6 From In Silico Screen		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
symmetry	Space Group: C 2 2 21	R_factor 0.207 R_Free 0.230
crystal cell	length a length b length c angle alpha angle beta angle gamma 135.741 177.015 129.581 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.55 Å
ligand	VU3	enzyme
Gene Ontology	Chain Function Process Component A, D, C, E, B
Primary reference	Acetylcholine binding protein (AChBP) as template for hierarchical in silico screening procedures to identify structurally novel ligands for the nicotinic receptors., Akdemir A, Rucktooa P, Jongejan A, Elk R, Bertrand S, Sixma TK, Bertrand D, Smit AB, Leurs R, de Graaf C, de Esch IJ, Bioorg Med Chem. 2011 Oct 15;19(20):6107-19. Epub 2011 Aug 27. PMID:21920761

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (353 Kb) [Save to disk] Biological Unit Coordinates (2xnu.pdb1.gz) 347 Kb LPC: Ligand-Protein Contacts for 2XNU CSU: Contacts of Structural Units for 2XNU Structure Factors (677 Kb) Retrieve 2XNU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2XNU from S2C, [Save to disk] Re-refined 2xnu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2XNU 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 2XNU

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 2XNU, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2xnu_C] [2xnu_A] [2xnu_E] [2xnu_D] [2xnu] [2xnu_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 2XNU

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

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