2QAG	Cell Cycle, Structural Protein	date	Jun 15, 2007
title	Crystal Structure Of Human Septin Trimer 267
authors	M.Sirajuddin
compound		source
Molecule: Septin-2 Chain: A Synonym: Protein Nedd5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Sept2, Diff6, Kiaa0158, Nedd5 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Rosetta Bl21
Molecule: Septin-6 Chain: B Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Sept6, Kiaa0128, Sep2 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Septin-7 Chain: C Synonym: Cdc10 Protein Homolog Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Sept7, Cdc10 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 43 2 2	R_factor 0.376 R_Free 0.392
crystal cell	length a length b length c angle alpha angle beta angle gamma 252.515 252.515 156.485 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	4.00 Å
ligand	GDP, GTP	enzyme
Gene Ontology	Chain Function Process Component A B C
Primary reference	Structural insight into filament formation by mammalian septins., Sirajuddin M, Farkasovsky M, Hauer F, Kuhlmann D, Macara IG, Weyand M, Stark H, Wittinghofer A, Nature. 2007 Jul 18;. PMID:17637674

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (103 Kb) [Save to disk] Biological Unit Coordinates (2qag.pdb1.gz) 181 Kb LPC: Ligand-Protein Contacts for 2QAG CSU: Contacts of Structural Units for 2QAG Likely Quarternary Molecular Structure file(s) for 2QAG Structure Factors (362 Kb) Retrieve 2QAG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QAG from S2C, [Save to disk] Re-refined 2qag structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QAG 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 2QAG

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 2QAG, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qag_A] [2qag] [2qag_C] [2qag_B] SWISS-PROT database: [Q15019] [Q14141] [Q16181] Domain organization of [SEPT2_HUMAN] [SEPT6_HUMAN] [SEPT7_HUMAN] by SWISSPFAM

Other resources with information on 2QAG

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

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