1T9B Transferase date May 16, 2004
title Crystal Structure Of Yeast Acetohydroxyacid Synthase In Comp Sulfonylurea Herbicide, Chlorsulfuron
authors J.A.Mccourt, S.S.Pang, L.W.Guddat, R.G.Duggleby
compound source
Molecule: Acetolactate Synthase, Mitochondrial
Chain: A, B
Fragment: Catalytic Subunit
Synonym: Acetohydroxy-Acid Synthase, Als, Ahas
Ec: 2.2.1.6
Engineered: Yes
Organism_scientific: Saccharomyces Cerevisiae
Organism_common: Baker'S Yeast
Organism_taxid: 4932
Gene: Ilv2, Smr1, Ymr108w, Ym9718.07
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet30(C)
symmetry Space Group: P 4 2 2
R_factor 0.162 R_Free 0.195
crystal
cell
length a length b length c angle alpha angle beta angle gamma
154.579 154.579 178.759 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand 1CS, FAD, K, MG, NSP, P22, P25, YF3 BindingDB enzyme Transferase E.C.2.2.1.6 BRENDA
related structures by homologous chain: 1T9D
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceElucidating the specificity of binding of sulfonylurea herbicides to acetohydroxyacid synthase., McCourt JA, Pang SS, Guddat LW, Duggleby RG, Biochemistry 2005 Feb 22;44(7):2330-8. PMID:15709745
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (218 Kb) [Save to disk]
  • Biological Unit Coordinates (1t9b.pdb1.gz) 210 Kb
  • LPC: Ligand-Protein Contacts for 1T9B
  • CSU: Contacts of Structural Units for 1T9B
  • Likely Quarternary Molecular Structure file(s) for 1T9B
  • Structure Factors (1441 Kb)
  • Retrieve 1T9B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1T9B from S2C, [Save to disk]
  • Re-refined 1t9b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1T9B 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 1T9B
  • 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 1T9B, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1t9ba1, region A:290-460 [Jmol] [rasmolscript] [script source]
        - Domain d1t9ba3, region A:461-687 [Jmol] [rasmolscript] [script source]
        - Domain d1t9ba2, region A:89-263 [Jmol] [rasmolscript] [script source]
        - Domain d1t9bb1, region B:290-460 [Jmol] [rasmolscript] [script source]
        - Domain d1t9bb3, region B:461-687 [Jmol] [rasmolscript] [script source]
        - Domain d1t9bb2, region B:89-263 [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1t9b] [1t9b_B] [1t9b_A]
  • SWISS-PROT database: [P07342]
  • Domain organization of [ILVB_YEAST] by SWISSPFAM
  • Domain found in 1T9B: [RNAse_Pc ] by SMART
  • Other resources with information on 1T9B
  • Community annotation for 1T9B at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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