1OGX	Isomerase	date	May 17, 2003
title	High Resolution Crystal Structure Of Ketosteroid Isomerase M D40n(D38n, Ti Numbering) From Pseudomonas Putida Complexed Equilenin At 2.0 A Resolution.
authors	N.C.Ha, M.S.Kim, B.H.Oh
compound		source
Molecule: Steroid Delta-Isomerase Chain: A, B Synonym: Delta-5-3-Ketosteroid Isomerase Ec: 5.3.3.1 Engineered: Yes Mutation: Yes Other_details: Complexed With Equilenin		Organism_scientific: Pseudomonas Putida Organism_taxid: 303 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
symmetry	Space Group: C 1 2 1	R_factor 0.198 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.300 72.400 51.200 90.00 90.56 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	EQU	enzyme	Isomerase E.C.5.3.3.1 BRENDA
note	1OGX supersedes 1E3N
related structures	by homologous chain: 1E3V, 1E97
Gene Ontology	Chain Function Process Component A, B
Primary reference	Detection of large pKa perturbations of an inhibitor and a catalytic group at an enzyme active site, a mechanistic basis for catalytic power of many enzymes., Ha NC, Kim MS, Lee W, Choi KY, Oh BH, J Biol Chem. 2000 Dec 29;275(52):41100-6. PMID:11007792

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (1ogx.pdb1.gz) 51 Kb LPC: Ligand-Protein Contacts for 1OGX CSU: Contacts of Structural Units for 1OGX Likely Quarternary Molecular Structure file(s) for 1OGX Structure Factors (159 Kb) Retrieve 1OGX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OGX from S2C, [Save to disk] Re-refined 1ogx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OGX 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 1OGX

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 1OGX, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ogxa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ogxb_, region B [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: [1ogx] [1ogx_A] [1ogx_B] SWISS-PROT database: [P07445] Domain organization of [SDIS_PSEPU] by SWISSPFAM

Other resources with information on 1OGX

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

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