MOLECULAR-CLONING AND SEQUENCE-ANALYSIS OF CDNA-ENCODING DELTA-4-3-KETOSTEROID 5-BETA-REDUCTASE OF RAT-LIVER

被引:40
作者
ONISHI, Y
NOSHIRO, M
SHIMOSATO, T
OKUDA, K
机构
[1] HIROSHIMA UNIV,SCH DENT,DEPT BIOCHEM,KASUMI 1-2-3,MINAMI KU,HIROSHIMA 734,JAPAN
[2] HIROSHIMA UNIV,DEPT ORAL & MAXILLOFACIAL SURG 2,HIROSHIMA 734,JAPAN
关键词
DELTA-4-3-KETOSTEROID; 5-BETA-REDUCTASE; CDNA CLONING;
D O I
10.1016/0014-5793(91)80591-P
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 encoding DELTA-4-3-ketosteriod 5-beta-reductase was isolated from rat liver cDNA libraries using antibodies specific for the enzyme and oligonucleotides as probes. The cDNA contained 981-base pair open reading frame encoding 327 amino acid residues (M(r) 37 376) and an unusually long 3'-untranslated region rich in AT sequence in the total length of 3189 base pairs. The predicted amino acid sequence contains the sequences similar to the putative NADPH- and steroid-binding regions.
引用
收藏
页码:215 / 218
页数:4
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