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从人垂体中分离γ-促脂素及其氨基酸序列

Isolation and amino acid sequence of gamma-lipotropin from human pituitary glands.

作者信息

Li C H, Chung D, Yamashiro D

出版信息

Proc Natl Acad Sci U S A. 1980 Dec;77(12):7214-7. doi: 10.1073/pnas.77.12.7214.

DOI:10.1073/pnas.77.12.7214
PMID:6938967
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC350472/
Abstract

gamma-Lipotropin has been purified to homogeneity from human pituitary glands. It consists of 56 amino acids with one residue each of Trp, Thr, Val, Tyr, and Phe. The amino acid sequence has been determined as follows: H-Glu-Leu-Thr-Gly-Gln-Arg-Leu-Arg-Gln-Gly-Asp-Gly-Pro-Asn-Ala-Gly-Ala-Asp-Asp-G ly-Pro-Gly-Ala-Gln-Ala-Asp-Leu-Glu-His-Ser-Leu-Leu-Val-Ala-Ala-Glu-Lys-Lys-Asp- Glu-Gly-Pro-Tyr-Arg-Met-Glu-His-Phe-Arg-Trp-Gly-Ser-Pro-Pro-Lys-Asp-OH. Comparison with the structure of the ovine and porcine hormones reveals that the 23-amino-acid sequence at the COOH terminus is highly conserved in evolution.

摘要

γ-促脂素已从人垂体中纯化至同质。它由56个氨基酸组成,其中色氨酸、苏氨酸、缬氨酸、酪氨酸和苯丙氨酸各有一个残基。氨基酸序列已确定如下:H-谷氨酸-亮氨酸-苏氨酸-甘氨酸-谷氨酰胺-精氨酸-亮氨酸-精氨酸-谷氨酰胺-甘氨酸-天冬氨酸-甘氨酸-脯氨酸-天冬酰胺-丙氨酸-甘氨酸-丙氨酸-天冬氨酸-天冬氨酸-甘氨酸-脯氨酸-甘氨酸-丙氨酸-谷氨酰胺-丙氨酸-天冬氨酸-亮氨酸-谷氨酸-组氨酸-丝氨酸-亮氨酸-亮氨酸-缬氨酸-丙氨酸-丙氨酸-谷氨酸-赖氨酸-赖氨酸-天冬氨酸-谷氨酸-甘氨酸-脯氨酸-酪氨酸-精氨酸-甲硫氨酸-谷氨酸-组氨酸-苯丙氨酸-精氨酸-色氨酸-甘氨酸-丝氨酸-脯氨酸-脯氨酸-赖氨酸-天冬氨酸-OH。与绵羊和猪激素的结构比较表明,COOH末端的23个氨基酸序列在进化过程中高度保守。

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引用本文的文献

1
NH2-terminal amino acid sequence and peptide mapping of purified human beta-lipotropin: comparison with previously proposed sequences.纯化的人β-促脂素的氨基末端氨基酸序列和肽图谱:与先前提出的序列比较。
Proc Natl Acad Sci U S A. 1982 Aug;79(16):5071-5. doi: 10.1073/pnas.79.16.5071.
2
Pituitary endopeptidases.垂体肽酶
Mol Cell Biochem. 1983;52(1):49-74. doi: 10.1007/BF00230588.

本文引用的文献

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Structural organization of human genomic DNA encoding the pro-opiomelanocortin peptide.编码促肾上腺皮质激素原肽的人类基因组DNA的结构组织
Proc Natl Acad Sci U S A. 1980 Aug;77(8):4890-4. doi: 10.1073/pnas.77.8.4890.
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Isolation, characterization, and amino acid sequence of melanotropins from camel pituitary glands.骆驼脑垂体中促黑素细胞激素的分离、特性鉴定及氨基酸序列分析
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