sperm-associated antigen 11; EP2 protein; sperm antigen HE2 (SPAG11, SPAG11B; EP2, HE2)

Compartment: secreted Alternative splicing: named isoforms=7 Expression: - specifically expressed in caput & proximal corpus of epididymis - present in the epididymal epithelium & on the sperm surface, subacrosomal equatorial distribution on sperm head. Polymorphism: - microheterogeneity probably represents an allelic variant

General

glycoprotein secreted protein

Properties

SIZE: MW = 11 kD entity length = 103 aa COMPARTMENT: extracellular compartment MOTIF: signal sequence {1-24} N-glycosylation site {N29}

Database Correlations

OMIM 606560 UniProt Q08648 Pfam PF05324

References

UniProt :accession Q08648