1OGZ	Isomerase	date	May 20, 2003
title	Crystal Structure Of 5-3-Ketosteroid Isomerase Mutants P39a Complexed With Equilenin From Pseudomonas Testosteroni
authors	G.H.Nam, S.S.Cha, Y.S.Yun, Y.H.Oh, B.H.Hong, H.S.Lee, K.Y.Choi
compound		source
Molecule: Steroid Delta-Isomerase Chain: A Synonym: Delta-5-3-Ketosteroid Isomerase, Ketosteroid Isomerase; Ec: 5.3.3.1 Engineered: Yes Mutation: Yes Other_details: D-Equilenin Binding At Hydrophobic Pocket.		Organism_scientific: Comamonas Testosteroni Organism_taxid: 285 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector: Pkk223-3 Expression_system_plasmid: Pkk223-3
symmetry	Space Group: P 65 2 2	R_factor 0.235 R_Free 0.309
crystal cell	length a length b length c angle alpha angle beta angle gamma 60.733 60.733 142.803 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	EQU	enzyme	Isomerase E.C.5.3.3.1 BRENDA
related structures	by homologous chain: 1ISK, 1QJG
Gene Ontology	Chain Function Process Component A
Primary reference	The conserved cis-Pro39 residue plays a crucial role in the proper positioning of the catalytic base Asp38 in ketosteroid isomerase from Comamonas testosteroni., Nam GH, Cha SS, Yun YS, Oh YH, Hong BH, Lee HS, Choi KY, Biochem J. 2003 Oct 15;375(Pt 2):297-305. PMID:12852789

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk] Biological Unit Coordinates (1ogz.pdb1.gz) 44 Kb LPC: Ligand-Protein Contacts for 1OGZ CSU: Contacts of Structural Units for 1OGZ Likely Quarternary Molecular Structure file(s) for 1OGZ Retrieve 1OGZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OGZ from S2C, [Save to disk]

View 1OGZ 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 1OGZ

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1OGZ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ogza_, region A [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: [1ogz] [1ogz_A] SWISS-PROT database: [P00947] Domain organization of [SDIS_COMTE] by SWISSPFAM

Other resources with information on 1OGZ

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

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