P_HUMAN Q04671
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UniProt:Q04671
Recommended name：P protein
EC number：
Alternative names：(Melanocyte-specific transporter protein) (Pink-eyed dilution protein homolog)
Cleaved into：
GeneID：4948
Gene names (primary )：OCA2
Gene names (synonym )：D15S12 P
Gene names (ORF )：
Length：838
Mass：92850
Sequence：MHLEGRDGRRYPGAPAVELLQTSVPSGLAELVAGKRRLPRGAGGADPSHSCPRGAAGQSSWAPAGQEFASFLTKGRSHSSLPQMSSSRSKDSCFTENTPLLRNSLQEKGSRCIPVYHPEFITAEESWEDSSADWERRYLLSREVSGLSASASSEKGDLLDSPHIRLRLSKLRRCVQWLKVMGLFAFVVLCSILFSLYPDQGKLWQLLALSPLENYSVNLSSHVDSTLLQVDLAGALVASGPSRPGREEHIVVELTQADALGSRWRRPQQVTHNWTVYLNPRRSEHSVMSRTFEVLTRETVSISIRASLQQTQAVPLLMAHQYLRGSVETQVTIATAILAGVYALIIFEIVHRTLAAMLGSLAALAALAVIGDRPSLTHVVEWIDFETLALLFGMMILVAIFSETGFFDYCAVKAYRLSRGRVWAMIIMLCLIAAVLSAFLDNVTTMLLFTPVTIRLCEVLNLDPRQVLIAEVIFTNIGGAATAIGDPPNVIIVSNQELRKMGLDFAGFTAHMFIGICLVLLVCFPLLRLLYWNRKLYNKEPSEIVELKHEIHVWRLTAQRISPASREETAVRRLLLGKVLALEHLLARRLHTFHRQISQEDKNWETNIQELQKKHRISDGILLAKCLTVLGFVIFMFFLNSFVPGIHLDLGWIAILGAIWLLILADIHDFEIILHRVEWATLLFFAALFVLMEALAHLHLIEYVGEQTALLIKMVPEEQRLIAAIVLVVWVSALASSLIDNIPFTATMIPVLLNLSHDPEVGLPAPPLMYALAFGACLGGNGTLIGASANVVCAGIAEQHGYGFSFMEFFRLGFPMMVVSCTVGMCYLLVAHVVVGWN
Tissue specificity：
Induction：Expression is under the control of an enhancer element that is encoded in an intron of the close-by HERC2 gene. The enhancer element containing the T-allele of the polymorphism rs12913832 mediates binding of the transcription factors HLTF, LEF1 and MITF and increases OCA2 expression. In contrast, transcription factor binding and OCA2 expression are reduced in carriers of the C-allele of polymorphism rs12913832. Thus, people homozygous for the C-allele have light-colored eyes, while people homozygous for the T-allele of polymorphism rs12913832 most often have brown eyes. {ECO:0000269|PubMed:18172690, ECO:0000269|PubMed:18252222, ECO:0000269|PubMed:22234890}.
Developmental stage：
Protein families：CitM (TC 2.A.11) transporter family