Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:1.1.1.3 (HSD)
3,464 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

We describe the cloning, sequencing and expression of the 3 alpha-hydroxysteroid dehydrogenase (3 alpha-HSD) gene of Pseudomonas testosteroni. A genomic library of P. testosteroni total DNA constructed from SauIIIA digests ligated to an lambda gt11 vector was probed with a polyclonal antibody raised against purified enzyme. Subclones derived from a recombinant phage containing a 1746 bp insert were sequenced and found to contain an open reading frame of 696 bp that corresponds to a protein of 231 amino acid residues. A search for homologous proteins was performed. No similarity was observed when comparing 3 alpha-HSD with known members of the short-chain dehydrogenase family. However a small proteic fragment (80 amino acids) shows homology with the N-terminal sequence of bacterial L7/L12 ribosomal proteins.
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PMID:Cloning, sequencing and expression of Pseudomonas testosteroni gene encoding 3 alpha-hydroxysteroid dehydrogenase. 749 3