Family

Sperm equatorial segment protein 1 (IPR026743)

Short name: Equatorial_segment

Overlapping homologous superfamilies

None.

Family relationships

None.

Description

Equatorial segment protein (ESP) been localised to the equatorial segment of the acrosome in sperm. It defines a discrete acrosomal subcompartment that persists throughout acrosomal biogenesis [PMID: 12773409] and is required for fully fertile sperm [PMID: 20375058].

GO terms

Biological Process

GO:0007340 acrosome reaction
GO:0007342 fusion of sperm to egg plasma membrane involved in single fertilization

Molecular Function

No terms assigned in this category.

Cellular Component

GO:0001669 acrosomal vesicle

Contributing signatures

Signatures from InterPro member databases are used to construct an entry.
PANTHER
Pfam