1DMQ	Isomerase	date	Dec 14, 1999
title	Crystal Structure Of Mutant Enzyme Y32f Of Ketosteroid Isome Pseudomonas Putida Biotype B
authors	D.H.Kim, D.S.Jang, G.H.Nam, B.H.Oh, K.Y.Choi
compound		source
Molecule: Steroid Delta-Isomerase Chain: A Ec: 5.3.3.1 Engineered: Yes Mutation: Yes		Organism_scientific: Pseudomonas Putida Organism_taxid: 303 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pkk223-3
symmetry	Space Group: C 2 2 21	R_factor 0.182 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.370 95.740 74.250 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.15 Å
ligand		enzyme	Isomerase E.C.5.3.3.1 BRENDA
related structures	by homologous chain: 1W00, 1W6Y
Gene Ontology	Chain Function Process Component A
Primary reference	Contribution of the hydrogen-bond network involving a tyrosine triad in the active site to the structure and function of a highly proficient ketosteroid isomerase from Pseudomonas putida biotype B., Kim DH, Jang DS, Nam GH, Choi G, Kim JS, Ha NC, Kim MS, Oh BH, Choi KY, Biochemistry 2000 Apr 25;39(16):4581-9. PMID:10769113

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (25 Kb) [Save to disk] Biological Unit Coordinates (1dmq.pdb1.gz) 41 Kb CSU: Contacts of Structural Units for 1DMQ Likely Quarternary Molecular Structure file(s) for 1DMQ Structure Factors (53 Kb) Retrieve 1DMQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DMQ from S2C, [Save to disk] Re-refined 1dmq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1DMQ 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 1DMQ

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 1DMQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dmqa_, 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: [1dmq_A] [1dmq] SWISS-PROT database: [P07445] Domain organization of [SDIS_PSEPU] by SWISSPFAM

Other resources with information on 1DMQ

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

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