1DMM	Isomerase	date	Dec 14, 1999
title	Crystal Structures Of Mutant Enzymes Y57f Of Ketosteroid Iso From 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 0.189 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.090 95.980 74.250 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand		enzyme	Isomerase E.C.5.3.3.1 BRENDA
related structures	by homologous chain: 1EA2, 1OHO
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 (1dmm.pdb1.gz) 41 Kb CSU: Contacts of Structural Units for 1DMM Likely Quarternary Molecular Structure file(s) for 1DMM Structure Factors (80 Kb) Retrieve 1DMM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1DMM from S2C, [Save to disk] Re-refined 1dmm 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 1DMM, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1dmma_, 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: [1dmm] [1dmm_A] SWISS-PROT database: [P07445] Domain organization of [SDIS_PSEPU] by SWISSPFAM

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