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Article

The lack of protamine 2 (P2) in boar and bull spermatozoa is due to mutations within the P2 gene.

Nucleic acids research - 11 Mar 1990

Maier W M, Nussbaum G, Domenjoud L, Klemm U, Engel W

Abstract excerpt

The nuclei of spermatozoa in all mammals examined so far contain P1 protamine. A second protamine variant, protamine P2, has to date been isolated only from human and murine spermatozoa where it represents the major fraction of basic nuclear protein. In order to elucidate the reason for this unusual distribution of the protamine variants among mammals we have investigated the expression of protamine P2 in boar...

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Identifiers

PMID: 2320417
DOI: 10.1093/nar/18.5.1249
PMCID: PMC330441

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Source receipt: pubmed, retrieved 7 Sept 2026.

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An aminoterminally extended P1-protamine variant in the boar.Semantic proximity Read ↗

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