2QTV	Protein Transport	date	Aug 02, 2007
title	Structure Of Sec23-Sar1 Complexed With The Active Fragment O
authors	J.Goldberg, X.Bi, J.D.Mancias
compound		source
Molecule: Protein Transport Protein Sec23 Chain: A Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Sec23 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
Molecule: Small Copii Coat Gtpase Sar1 Chain: B Fragment: Residues 23-189 Synonym: Gtp-Binding Protein Sar1, Secretion-Associated Ras Protein 1; Ec: 3.6.5.- Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Sar1 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
Molecule: Protein Transport Protein Sec31 Chain: D Fragment: Residues 899-947 Synonym: Protein Web1 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Sec31, Web1 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
symmetry	Space Group: P 21 21 2	R_factor 0.205 R_Free 0.262
crystal cell	length a length b length c angle alpha angle beta angle gamma 94.748 133.213 82.041 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	GNP, MG, ZN	enzyme	Hydrolase E.C.3.6.5 BRENDA
note	2QTV is a representative structure
Gene Ontology	Chain Function Process Component A B
Primary reference	Insights into COPII coat nucleation from the structure of Sec23.Sar1 complexed with the active fragment of Sec31., Bi X, Mancias JD, Goldberg J, Dev Cell. 2007 Nov;13(5):635-45. PMID:17981133

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (157 Kb) [Save to disk] Biological Unit Coordinates (2qtv.pdb1.gz) 152 Kb LPC: Ligand-Protein Contacts for 2QTV CSU: Contacts of Structural Units for 2QTV Likely Quarternary Molecular Structure file(s) for 2QTV Structure Factors (270 Kb) Retrieve 2QTV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QTV from S2C, [Save to disk] Re-refined 2qtv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QTV 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 2QTV

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 2QTV, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qtv_A] [2qtv_D] [2qtv] [2qtv_B] SWISS-PROT database: [P20606] [P15303] [P38968] Domain organization of [SAR1_YEAST] [SEC23_YEAST] [SEC31_YEAST] by SWISSPFAM Domains found in 2QTV: [SAR] [VWA ] by SMART

Other resources with information on 2QTV

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

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