1N0H	Lyase	date	Oct 14, 2002
title	Crystal Structure Of Yeast Acetohydroxyacid Synthase In Comp Sulfonylurea Herbicide, Chlorimuron Ethyl
authors	S.S.Pang, L.W.Guddat, R.G.Duggleby
compound		source
Molecule: Acetolactate Synthase Chain: A, B Fragment: Mature Catalytic Subunit Synonym: Acetohydroxy-Acid Synthase, Als, Ahas 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 4 2 2	R_factor 0.163 R_Free 0.205
crystal cell	length a length b length c angle alpha angle beta angle gamma 153.976 153.976 178.298 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	AYD, CIE, DTT, FAD, K, MG, TPP BindingDB	enzyme	Lyase E.C.4.1.3.18 BRENDA
related structures	by homologous chain: 1JSC
Gene Ontology	Chain Function Process Component A, B
Primary reference	The crystal structures of Klebsiella pneumoniae acetolactate synthase with enzyme-bound cofactor and with an unusual intermediate., Pang SS, Duggleby RG, Schowen RL, Guddat LW, J Biol Chem 2004 Jan 16;279(3):2242-53. Epub 2003 Oct 13. PMID:14557277

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (216 Kb) [Save to disk] Biological Unit Coordinates (1n0h.pdb1.gz) 208 Kb LPC: Ligand-Protein Contacts for 1N0H CSU: Contacts of Structural Units for 1N0H Likely Quarternary Molecular Structure file(s) for 1N0H Structure Factors (742 Kb) Retrieve 1N0H in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1N0H from S2C, [Save to disk] Re-refined 1n0h structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1N0H 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 1N0H

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 1N0H, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1n0ha1, region A:277-460 [Jmol] [rasmolscript] [script source]     - Domain d1n0ha3, region A:461-687 [Jmol] [rasmolscript] [script source]     - Domain d1n0ha2, region A:83-270 [Jmol] [rasmolscript] [script source]     - Domain d1n0hb1, region B:278-460 [Jmol] [rasmolscript] [script source]     - Domain d1n0hb3, region B:461-687 [Jmol] [rasmolscript] [script source]     - Domain d1n0hb2, region B:83-270 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1n0h_A] [1n0h] [1n0h_B] SWISS-PROT database: [P07342] Domain organization of [ILVB_YEAST] by SWISSPFAM Domain found in 1N0H: [RNAse_Pc ] by SMART

Other resources with information on 1N0H

Community annotation for 1N0H at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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