Isolation and characterization of proSS1-32, a peptide derived from the N-terminal region of porcine preprosomatostatin.
[No authors listed]
摘要
A peptide derived from the N-terminal region of porcine prosomatostatin, proSS1-32, has been purified to homogeneity from extracts of porcine upper intestine. Amino acid analysis revealed that the peptide consists of 32 residues. The complete primary structure was determined as: A P S D P R L R Q F L Q K S L A A A A G K Q E L A K Y F L A E L. This sequence obviously comprises residues 1-32 of porcine prosomatostatin since it is identical to the corresponding sequence in human preprosomatostatin. The postulated cleavage site in porcine prosomatostatin is a Leu-Leu bond between residues 32 and 33, thus confirming previous studies of the processing of the somatostatin precursor in the rat and transgenic mouse.
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基因功能
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原始数据
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文献解读
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