1JSC	Lyase	date	Aug 17, 2001
title	Crystal Structure Of The Catalytic Subunit Of Yeast Acetohyd Synthase: A Target For Herbicidal Inhibitors
authors	S.S.Pang, R.G.Duggleby, L.W.Guddat
compound		source
Molecule: Acetohydroxy-Acid Synthase Chain: A, B Fragment: Mature Catalytic Subunit Synonym: Acetolactate Synthase Ec: 4.1.3.18 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Ilv2 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet30c
symmetry	Space Group: P 21 21 21	R_factor 0.188 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 95.552 109.401 178.858 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	2HP, FAD, K, MG, TPP	enzyme	Lyase E.C.4.1.3.18 BRENDA
related structures	by homologous chain: 1N0H, 1T9A
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of yeast acetohydroxyacid synthase: a target for herbicidal inhibitors., Pang SS, Duggleby RG, Guddat LW, J Mol Biol 2002 Mar 22;317(2):249-62. PMID:11902841

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (181 Kb) [Save to disk] Biological Unit Coordinates (1jsc.pdb1.gz) 173 Kb LPC: Ligand-Protein Contacts for 1JSC CSU: Contacts of Structural Units for 1JSC Likely Quarternary Molecular Structure file(s) for 1JSC Structure Factors (834 Kb) Retrieve 1JSC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1JSC from S2C, [Save to disk] Re-refined 1jsc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1JSC 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 1JSC

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 1JSC, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1jsca1, region A:280-460 [Jmol] [rasmolscript] [script source]     - Domain d1jsca3, region A:461-648 [Jmol] [rasmolscript] [script source]     - Domain d1jsca2, region A:83-270 [Jmol] [rasmolscript] [script source]     - Domain d1jscb1, region B:276-458 [Jmol] [rasmolscript] [script source]     - Domain d1jscb3, region B:464-649 [Jmol] [rasmolscript] [script source]     - Domain d1jscb2, region B:82-272 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1jsc] [1jsc_A] [1jsc_B] SWISS-PROT database: [P07342] Domain organization of [ILVB_YEAST] by SWISSPFAM

Other resources with information on 1JSC

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

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