Lysosome membrane ; Multi-pass membrane protein . Photoreceptor inner segment . Apical cell membrane . Localized to photoreceptor inner segments and to the apical surface of retinal pigment epithelial cells. .
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组织表达:
Expression is down-regulated in ovarian tumors (at protein level). Widely expressed with highest levels in placenta and heart. Expressed in the retina. Not detected in brain or thymus.