Tags: Protein.
This article is about the human gene. For Standard Marine Communication Phrases see Standard Marine Communication Phrases. For the video game Sonic Mega Collection Plus see Sonic Mega Collection#Sonic Mega Collection PlusSperm mitochondrial-associated cysteine-rich protein is a protein that in humans is encoded by the SMCP gene.Sperm mitochondria differ in morphology and subcellular localization from those of somatic cells.