3DSK	Lyase	date	Jul 12, 2008
title	Crystal Structure Of Arabidopsis Thaliana Allene Oxide Synth Variant (F137l) (At-Aos(F137l), Cytochrome P450 74a, Cyp74a Complexed With 12r,13s-Vernolic Acid At 1.55 A Resolution
authors	D.S.Lee, P.Nioche, C.S.Raman
compound		source
Molecule: Cytochrome P450 74a, Chloroplast Chain: A, B Fragment: Unp Residues 34-518 Synonym: Allene Oxide Synthase, Hydroperoxide Dehydrase Ec: 4.2.1.92 Engineered: Yes		Organism_scientific: Arabidopsis Thaliana Organism_common: Mouse-Ear Cress Organism_taxid: 3702 Gene: Cyp74a, Aos, At5g42650, Mjb21.2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcwori+
symmetry	Space Group: P 21 21 21	R_factor 0.182 R_Free 0.206
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.612 105.463 162.632 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.55 Å
ligand	GOL, HEM, OCT, T25	enzyme	Lyase E.C.4.2.1.92 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural insights into the evolutionary paths of oxylipin biosynthetic enzymes., Lee DS, Nioche P, Hamberg M, Raman CS, Nature. 2008 Sep 18;455(7211):363-8. Epub 2008 Aug 20. PMID:18716621

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (173 Kb) [Save to disk] Biological Unit Coordinates (3dsk.pdb1.gz) 85 Kb Biological Unit Coordinates (3dsk.pdb2.gz) 85 Kb LPC: Ligand-Protein Contacts for 3DSK CSU: Contacts of Structural Units for 3DSK Likely Quarternary Molecular Structure file(s) for 3DSK Structure Factors (1146 Kb) Retrieve 3DSK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3DSK from S2C, [Save to disk] Re-refined 3dsk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 3DSK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3dsk_A] [3dsk_B] [3dsk] SWISS-PROT database: [Q96242] Domain organization of [CP74A_ARATH] by SWISSPFAM

Other resources with information on 3DSK

Community annotation for 3DSK at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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