Catalytic activity:ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate. ,Disease:Defects in MERTK are a cause of retinitis pigmentosa (RP) [MIM:268000]. RP that leads to degeneration of retinal photoreceptor cells. Patients typically have night vision blindness and loss of midperipheral visual field. As their condition progresses , they lose their far peripheral visual field and eventually central vision as well. ,Function:In case of filovirus infection , seems to function as a cell entry factor. ,online information:Retina International's Scientific Newsletter ,similarity:Belongs to the protein kinase superfamily. Tyr protein kinase family. ,similarity:Belongs to the protein kinase superfamily. Tyr protein kinase family. AXL/UFO subfamily. ,similarity:Contains 1 protein kinase domain. ,similarity:Contains 2 fibronectin type-III domains. ,similarity:Contains 2 Ig-like C2-type (immunoglobulin-like) domains. ,tissue specificity:Not expressed in normal B- and T-lymphocytes but is expressed in numerous neoplastic B- and T-cell lines. ,
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