SPESP1 Q6UW49

精子赤道段蛋白1 (SP-ESP) (赤道段蛋白) (ESP) (糖基化38 kDa精子蛋白 C-7/8)

功能描述

参与精子的受精能力。 {ECO:0000250|UniProtKB:Q9D5A0}.

组织特异性

Highly expressed in testis, where it is localized in the acrosome of postmeiotic stages of spermiogenesis (round and elongating spermatids and in ejaculated spermatozoa) (at protein level). Poorly expressed in placenta and fetal lung.

亚细胞定位

Cytoplasmic vesicle, secretory vesicle, acrosome