Primary structure of the ram (Ovis aries) protamine

The amino acid sequence of the protamine isolated from mature sperm nuclei of the ram (Ovis aries) has been established from automated sequence analysis of the S‐carboxymethylated protamine. Ram and bull protamines differ only by two point changes and the deletion in bull protamine of the tripeptide...

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Veröffentlicht in:	European journal of biochemistry 1984-10, Vol.144 (1), p.121-125
Hauptverfasser:	Sautiere, P, Belaiche, D, Martinage, A, Loir, M
Format:	Artikel
Sprache:	eng
Schlagworte:	amines Amino Acid Sequence Amino Acids - analysis Analytical, structural and metabolic biochemistry Animals Autoanalysis Biological and medical sciences Chemical Phenomena Chemistry Chymotrypsin Electrophoresis, Polyacrylamide Gel Fundamental and applied biological sciences. Psychology Holoproteins Hydrolysis Male Nuclear proteins Protamines - isolation & purification Proteins rams Sheep spermatocytes Spermatozoa - analysis
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Beschreibung
Zusammenfassung:	The amino acid sequence of the protamine isolated from mature sperm nuclei of the ram (Ovis aries) has been established from automated sequence analysis of the S‐carboxymethylated protamine. Ram and bull protamines differ only by two point changes and the deletion in bull protamine of the tripeptide Cys39‐Arg‐Arg41. In mammalian protamines the central region (residues 13–36) consisting mainly of arginine clusters appears to be conserved whereas the N‐terminal and C‐terminal regions are more variable.
ISSN:	0014-2956 1432-1033
DOI:	10.1111/j.1432-1033.1984.tb08439.x