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Substance Name: Protamine P4
RN: 137368-49-1


  • Minor basic protein of human sperm nuclei.

Molecular Formula

  • C307-H539-N161-O71-S5
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Names and Synonyms

Name of Substance

  • Protamine P4


  • Human sperm protamine HP4

Systematic Name

  • Protamine 4 (human reduced)

Registry Numbers

CAS Registry Number

  • 137368-49-1

System Generated Number

  • 0137368491