protamine
Any of various strongly basic proteins of relatively low molecular weight that are rich in arginine and are found associated especially with DNA in place of histone in the sperm cells of various animals (such as fish).
Noun
- Any of various strongly basic proteins of relatively low molecular weight that are rich in arginine and are found associated especially with DNA in place of histone in the sperm cells of various animals (such as fish).
Origin
Etymology tree English prot- Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English amine English -amine English protamine From prot- (“original”) + -amine.