title: Cloning, functional expression and characterization of an alkaline protease from Bacillus licheniformis.
abstract: A gene (apr 46) encoding a protease was cloned from Bacillus licheniformis RSP-09-37. It had an ORF of 1725 bp, encoding a pre-protein of 575 amino acids (63.2 kDa), which was functionally expressed and processed in E. coli JM 109. The mature protein, Apr 46, consists of 500 amino acids with a calculated molecular mass of 55 kDa. This protease shows 29-50% homology to known serine proteases and conserved domains. N-terminal sequencing suggests that Apr 46 protease is identical to a B. licheniformis RSP-09-37 protease, which is further supported by a similar stability in acetonitrile.
authors.affiliation: Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology, Delhi, India.
authors.forename: Ritu
authors.initials: R
authors.lastname: Sareen
authors.forename: Uwe T
authors.initials: UT
authors.lastname: Bornscheuer
authors.forename: Prashant
authors.initials: P
authors.lastname: Mishra
mesh_terms: D000097:Acetonitriles / Q000494:pharmacology; D001407:Bacillus / Q000201:enzymology* / Q000235:genetics; D001426:Bacterial Proteins / Q000235:genetics* / Q000302:isolation & purification / Q000378:metabolism; D003001:Cloning, Molecular; D004269:DNA, Bacterial / Q000737:chemistry / Q000235:genetics; D004305:Dose-Response Relationship, Drug; D004591:Electrophoresis, Polyacrylamide Gel; D010450:Endopeptidases / Q000235:genetics* / Q000302:isolation & purification / Q000378:metabolism; D004795:Enzyme Stability / Q000187:drug effects; D004926:Escherichia coli / Q000235:genetics; D015971:Gene Expression Regulation, Enzymologic / Q000235:genetics; D015698:Genomic Library; D006863:Hydrogen-Ion Concentration; D008969:Molecular Sequence Data; D010802:Phylogeny; D010957:Plasmids / Q000235:genetics; D011994:Recombinant Proteins / Q000737:chemistry / Q000302:isolation & purification / Q000378:metabolism; D017422:Sequence Analysis, DNA; D012697:Serine Endopeptidases / Q000235:genetics; D013696:Temperature; D014169:Transformation, Bacterial
chemical_list: D000097:Acetonitriles; D001426:Bacterial Proteins; D004269:DNA, Bacterial; D011994:Recombinant Proteins; D010450:Endopeptidases; D012697:Serine Endopeptidases; C087822:alkaline protease; C032159:acetonitrile