ISOLATION OF [PRO2,MET13]SOMATOSTATIN-14 AND SOMATOSTATIN-14 FROM THE FROG BRAIN REVEALS THE EXISTENCE OF A SOMATOSTATIN GENE FAMILY IN A TETRAPOD

被引:65
作者
VAUDRY, H [1 ]
CHARTREL, N [1 ]
CONLON, JM [1 ]
机构
[1] CREIGHTON UNIV,SCH MED,DEPT BIOMED SCI,CTR REGULAT PEPTIDE,OMAHA,NE 68178
关键词
D O I
10.1016/0006-291X(92)92409-Q
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
Two somatostatin-related peptides were isolated in pure form from an extract of the brain of the European green frog, Rana ridibunda. The primary structure of the most abundant component was identical to that of mammalian somatostatin-14. The primary structure of the second component, present in approximately 5% of the abundance of somatostatin-14, was established as Ala-Pro-Cys-Lys-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Thr-Met-Cys. This sequence shows two substitutions (Pro for Gly2 and Met for Ser13) compared with mammalian somatostatin-14. The data provide evidence for a somatostatin gene family in tetrapods as well as in teleost fish. © 1992.
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页码:477 / 482
页数:6
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