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

More general terms

• secreted protein
• glycoprotein

Database

• OMIM: https://mirror.omim.org/entry/606560
• UniProt: http://www.uniprot.org/uniprot/Q08648.html