2XHE	Exocytosis	date	Jun 14, 2010
title	Crystal Structure Of The Unc18-Syntaxin 1 Complex From Monos Brevicollis
authors	P.Burkhardt, C.M.Stegmann, M.C.Wahl, D.Fasshauer
compound		source
Molecule: Unc18 Chain: A Engineered: Yes		Organism_scientific: Monosiga Brevicollis Organism_taxid: 81824 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
Molecule: Syntaxin1 Chain: B Engineered: Yes		Organism_scientific: Monosiga Brevicollis Organism_taxid: 81824 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
symmetry	Space Group: P 65 2 2	R_factor 0.188 R_Free 0.250
crystal cell	length a length b length c angle alpha angle beta angle gamma 146.200 146.200 214.861 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
Gene Ontology	Chain Function Process Component A B
Primary reference	Primordial neurosecretory apparatus identified in the choanoflagellate Monosiga brevicollis., Burkhardt P, Stegmann CM, Cooper B, Kloepper TH, Imig C, Varoqueaux F, Wahl MC, Fasshauer D, Proc Natl Acad Sci U S A. 2011 Sep 13;108(37):15264-9. Epub 2011 Aug 29. PMID:21876177

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (276 Kb) [Save to disk] Biological Unit Coordinates (2xhe.pdb1.gz) 269 Kb CSU: Contacts of Structural Units for 2XHE Structure Factors (266 Kb) Retrieve 2XHE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2XHE from S2C, [Save to disk] Re-refined 2xhe structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2XHE 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 2XHE

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 2XHE, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2xhe_B] [2xhe_A] [2xhe] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 2XHE: [SynN] [t_SNARE ] by SMART

Other resources with information on 2XHE

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

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