3OWY	Isomerase	date	Sep 20, 2010
title	Crystal Structure Of Ketosteroid Isomerase D40nc69sc81sc9 Cn From P. Putida With Bound Equilenin
authors	P.A.Sigala, T.D.Fenn, D.Herschlag
compound		source
Molecule: Steroid Delta-Isomerase Chain: A, B, C, D, E, F, G, H Synonym: Delta(5)-3-Ketosteroid Isomerase Ec: 5.3.3.1 Engineered: Yes Mutation: Yes		Organism_scientific: Pseudomonas Putida Organism_taxid: 303 Gene: Ksi Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pkk223-3
symmetry	Space Group: P 1 21 1	R_factor 0.280 R_Free 0.346
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.326 129.426 83.988 90.00 96.48 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	EQU, XCN	enzyme	Isomerase E.C.5.3.3.1 BRENDA
Gene Ontology	Chain Function Process Component F, A, E, B, H, C, D, G
Primary reference	Quantitative, directional measurement of electric field heterogeneity in the active site of ketosteroid isomerase., Fafarman AT, Sigala PA, Schwans JP, Fenn TD, Herschlag D, Boxer SG, Proc Natl Acad Sci U S A. 2012 Feb 7;109(6):E299-308. Epub 2012 Jan 17. PMID:22308339

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (344 Kb) [Save to disk] Biological Unit Coordinates (3owy.pdb1.gz) 86 Kb Biological Unit Coordinates (3owy.pdb2.gz) 86 Kb Biological Unit Coordinates (3owy.pdb3.gz) 88 Kb Biological Unit Coordinates (3owy.pdb4.gz) 87 Kb LPC: Ligand-Protein Contacts for 3OWY CSU: Contacts of Structural Units for 3OWY Structure Factors (549 Kb) Retrieve 3OWY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3OWY from S2C, [Save to disk] Re-refined 3owy structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 3OWY

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3OWY, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3owy_G] [3owy_F] [3owy_A] [3owy_E] [3owy] [3owy_H] [3owy_D] [3owy_B] [3owy_C] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3OWY

Community annotation for 3OWY at PDBWiki (http://pdbwiki.org)

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