1SAZ	Transferase	date	Feb 09, 2004
title	Membership In The Askha Superfamily: Enzymological Properties And Crystal Structure Of Butyrate Kinase 2 From Thermotoga Maritima
authors	J.Diao, D.R.Cooper, D.A.Sanders, M.S.Hasson
compound		source
Molecule: Probable Butyrate Kinase 2 Chain: A Synonym: Bk 2, Branched-Chain Carboxylic Acid Kinase 2 Ec: 2.7.2.7 Engineered: Yes		Organism_scientific: Thermotoga Maritima Organism_taxid: 2336 Gene: Buk2, Tm1756 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: B834 Met- (De3) Expression_system_vector_type: Pt7-7 Expression_system_plasmid: Pet30a(+)
symmetry	Space Group: I 4 2 2	R_factor 0.217 R_Free 0.267
crystal cell	length a length b length c angle alpha angle beta angle gamma 197.685 197.685 58.238 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	ACP, FMT, MSE, NA	enzyme	Transferase E.C.2.7.2.7 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of butyrate kinase 2 from Thermotoga maritima, a member of the ASKHA superfamily of phosphotransferases., Diao J, Hasson MS, J Bacteriol. 2009 Apr;191(8):2521-9. Epub 2009 Feb 6. PMID:19201797

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1saz.pdb1.gz) 490 Kb LPC: Ligand-Protein Contacts for 1SAZ CSU: Contacts of Structural Units for 1SAZ Likely Quarternary Molecular Structure file(s) for 1SAZ Structure Factors (204 Kb) Retrieve 1SAZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SAZ from S2C, [Save to disk] Re-refined 1saz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 1SAZ

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 1SAZ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1saz] [1saz_A] SWISS-PROT database: [Q9X278] Domain organization of [BUK2_THEMA] by SWISSPFAM

Other resources with information on 1SAZ

Community annotation for 1SAZ at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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