Open AccessThe structure of caltrin, the calcium-transport inhibitor of bovine seminal plasma.
Author(s) -
Randolph V. Lewis,
Jovenal San Agustin,
W. G. KRUGGEL,
H A Lardy
Publication year - 1985
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.82.19.6490
Subject(s) - plasmin , calcium , peptide sequence , biochemistry , chemistry , sequence (biology) , amino acid , amino acid residue , enzyme , gene , organic chemistry
The amino acid sequence of the bovine seminal protein, caltrin, which inhibits calcium transport into spermatozoa, has been determined. The protein contains 47 amino acid residues. Parts of the sequence are identical with that reported for bovine seminal plasmin, a protein possessing antibacterial activity. We believe the proteins are identical and that the previously reported sequence of seminal plasmin is in error.
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