Spermatid nuclear transition protein 1 (STP-1) (TP-1)
1_MSTSR 6_ KLKSH 11_ GMRRS 16_ KSRSP 21_ HKGVK 26_ RGGSK 31_ RKYRK 36_ GNLKS 41_ RKRGD 46_DANRN
1: Plays a key role in the replacement of histones to protamine in the elongating spermatids of mammals. In condensing spermatids, loaded onto the nucleosomes, where it promotes the recruitment and processing of protamines, which are responsible for histone eviction