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THE CDNAS CODING FOR THE ALPHA-SUBUNIT AND BETA-SUBUNIT OF XENOPUS-LAEVIS CASEIN KINASE-II
被引:36
|作者:
JEDLICKI, A
HINRICHS, MV
ALLENDE, CC
ALLENDE, JE
机构:
[1] UNIV CHILE, FAC MED, DEPT BIOQUIM, CASILLA 70086, SANTIAGO 7, CHILE
[2] UNIV CHILE, FAC CIENCIAS, DEPT BIOL, SANTIAGO 7, CHILE
关键词:
PROTEIN KINASE;
AMPHIBIAN OOCYTE;
PROTEIN PHOSPHORYLATION;
SEQUENCE MOTIF;
XENOPUS-LAEVIS;
CASEIN KINASE-II;
D O I:
10.1016/0014-5793(92)80556-V
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:
Using a lambda-gt10 cDNA library obtained from Xenopus laevis oocytes and probes derived from the known sequences of the human and Drosophila genes, a cDNA coding for the alpha-subunit of the X. laevis casein kinase II was isolated. The coding sequence of this clone determines a polypeptide of 350 amino acids. The X. laevis sequence is 98% identical to the human and rat proteins in the first 323 amino acids. Using the polymerase chain reaction to generate a 370 nucleotide-long probe, it was possible to clone and sequence a cDNA of 900 nucleotides that coded for the X. laevis beta-subunit of casein kinase II. The derived sequence is 215 amino acids long and again shows an extraordinary degree of conservation with other species.
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页码:280 / 284
页数:5
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