3B5N	Membrane Protein	date	Oct 26, 2007
title	Structure Of The Yeast Plasma Membrane Snare Complex
authors	P.Strop, A.T.Brunger
compound		source
Molecule: Synaptobrevin Homolog 1 Chain: A, E, I Fragment: Residues 27-86 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Snc1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
Molecule: Protein Sso1 Chain: B, F, J Fragment: Residues 189-257 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Sso1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
Molecule: Protein Transport Protein Sec9 Chain: C, G, K Fragment: Residues 433-499 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Sec9, Hss7 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
Molecule: Protein Transport Protein Sec9 Chain: D, H, L Fragment: Residues 589-650 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Sec9, Hss7 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
symmetry	Space Group: P 1 21 1	R_factor 0.206 R_Free 0.248
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.956 48.113 110.265 90.00 97.77 90.00
method	X-Ray Diffraction	resolution	1.60 Å
note	3B5N is a representative structure
Gene Ontology	Chain Function Process Component A, I, E F, J, B
Primary reference	The structure of the yeast plasma membrane SNARE complex reveals destabilizing water filled cavities., Strop P, Kaiser SE, Vrljic M, Brunger AT, J Biol Chem. 2007 Oct 22;. PMID:17956869

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (267 Kb) [Save to disk] Biological Unit Coordinates (3b5n.pdb1.gz) 89 Kb Biological Unit Coordinates (3b5n.pdb2.gz) 88 Kb Biological Unit Coordinates (3b5n.pdb3.gz) 84 Kb CSU: Contacts of Structural Units for 3B5N Likely Quarternary Molecular Structure file(s) for 3B5N Structure Factors (650 Kb) Retrieve 3B5N in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3B5N from S2C, [Save to disk] Re-refined 3b5n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3B5N 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 3B5N

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 3B5N, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3b5n_B] [3b5n_F] [3b5n_D] [3b5n_J] [3b5n] [3b5n_G] [3b5n_K] [3b5n_I] [3b5n_E] [3b5n_L] [3b5n_H] [3b5n_C] [3b5n_A] SWISS-PROT database: [P40357] [P31109] [P32867] Domain organization of [SEC9_YEAST] [SNC1_YEAST] [SSO1_YEAST] by SWISSPFAM Domain found in 3B5N: [t_SNARE ] by SMART

Other resources with information on 3B5N

Community annotation for 3B5N at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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