Other Names: Sperm Activating Peptide H1
Speract stimulates the respiration. motility. and cyclic nucleotide metabolism of sea urchin spermatozoa. At low extracellular pHs. speract also potentiates the FSP-induced AR. Hansbrough, JR; Garbers, DL., J. Biol.Chem., 256, 1447, (1981); Garbers, DL; et al., J. Biol. Chem., 257, 2734, (1982); Repaske, DR; Garbers, DL., J. Biol. Chem., 258, 6025, (1983); Suzuki, N; Garbers, DL., Biol. Reprod., 30, 1167, (1984).
M.W.: 891.94
