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Rat sperm protamine. Isolation and sequence analysis.

作者信息

Ammer H, Henschen A

机构信息

Max-Planck-Institut für Biochemie, Martinsried bei München.

出版信息

Biol Chem Hoppe Seyler. 1988 Dec;369(12):1301-6. doi: 10.1515/bchm3.1988.369.2.1301.

DOI:10.1515/bchm3.1988.369.2.1301
PMID:3072011
Abstract

Rat protamine was extracted from S-(pyridylethylated) epididymal sperm cell nuclei with dilute hydrochloric acid. The final purification was achieved by reversed-phase high-performance liquid chromatography. The primary structure was determined by N-terminal sequencing of the total S-(pyridylethylated) protein, and of endoproteinase Lys-C- and thermolysin-derived fragments. Rat protamine consists of 50 amino-acid residues. It is a typical type 1 protamine and differs in two and ten positions from the corresponding mouse and rabbit protamine, respectively. Only 26 positions are invariant in all type 1 mammalian protamines.

摘要

相似文献

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引用本文的文献

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J Mol Evol. 1990 Apr;30(4):333-46. doi: 10.1007/BF02101888.
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Processing of the precursor of protamine P2 in mouse. Peptide mapping and N-terminal sequence analysis of intermediates.小鼠中鱼精蛋白P2前体的加工。中间体的肽图谱分析和N端序列分析。
Biochem J. 1991 Jul 1;277 ( Pt 1)(Pt 1):39-45. doi: 10.1042/bj2770039.
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Nucleotide sequence of the protamine P1 gene from the whale Orcinus orca predicts a unique N-terminal amino-acid motif.
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