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Biosci Biotechnol Biochem. 1996 Aug;60(8):1284-8.

Cloning and sequence analysis of a protease-encoding gene from the marine bacterium Alteromonas sp. strain O-7.

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1
Osaka University of Pharmaceutical Sciences, Japan.

Abstract

The gene (aprI) encoding alkaline serine protease (AprI; subtilase) from Alteromonas sp. strain O-7 was cloned and sequenced. The nucleotide sequence of aprI has been identified. The deduced amino acid sequence indicated that aprI codes for a precursor of 715 amino acids and the precursor is composed of four regions including a signal peptide, an N-terminal pro-region, a mature protease region and a C-terminal extension region of 215 amino acids as previously described for aprII [H. Tsujibo et al., Gene, 136, 247-251 (1993)]. The amino acid sequence of the mature AprI (AprI-M) showed high sequence homology with those of other class I subtilases. The C-terminal region was characterized by a repeat of 94 amino acids residues, which showed about 50% similarity with those of the C-terminal pro-region of several known proteases from Gram-negative bacteria.

PMID:
8987544
DOI:
10.1271/bbb.60.1284
[Indexed for MEDLINE]
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