P Protein

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** P protein (838 aa, ~93 kDa) is encoded by the human OCA2 gene. This protein plays a role in melanogenesis and transmembrane transport of tyrosine and hydrogen ions.

**Synonyms:** - Melanocyte-Specific Transporter Protein - OCA2 - P-Protein - Pink-Eyed Dilution Protein Homolog