THE NUCLEOTIDE AND DEDUCED AMINO-ACID-SEQUENCES OF PORCINE LIVER PROLINE-BETA-NAPHTHYLAMIDASE - EVIDENCE FOR THE IDENTITY WITH CARBOXYLESTERASE

被引:41
作者
MATSUSHIMA, M [1 ]
INOUE, H [1 ]
ICHINOSE, M [1 ]
TSUKADA, S [1 ]
MIKI, K [1 ]
KUROKAWA, K [1 ]
TAKAHASHI, T [1 ]
TAKAHASHI, K [1 ]
机构
[1] UNIV TOKYO,FAC MED,DEPT INTERNAL MED 1,BUNKYO KU,TOKYO 113,JAPAN
关键词
PROLINE-BETA-NAPHTHYLAMIDASE; CARBOXYLESTERASE; CDNA CLONING;
D O I
10.1016/0014-5793(91)81147-Z
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A cDNA clone for porcine liver proline-beta-naphthylamidase was isolated and sequenced. The deduced amino acid sequence of 567 residues was highly homologous with those of carboxylesterases (EC 3.1.1.1) previously reported for other species. In addition, proline-beta-naphthylamidase purified from porcine liver was shown to have strong activity towards p-nitrophenylacetate, a representative substrate for carboxylesterases. These results suggest that proline-beta-naphthylamidase is identical with carboxylesterase.
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页码:37 / 41
页数:5
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