Catalytic activity:ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate. ,Function:Receptor for members of the ephrin-B family. Binds to ephrin-B2. May have a role in events mediating differentiation and development. ,PTM:Autophosphorylated. ,similarity:Belongs to the protein kinase superfamily. Tyr protein kinase family. ,similarity:Belongs to the protein kinase superfamily. Tyr protein kinase family. Ephrin receptor subfamily. ,similarity:Contains 1 protein kinase domain. ,similarity:Contains 1 SAM (sterile alpha motif) domain. ,similarity:Contains 2 fibronectin type-III domains. ,tissue specificity:Abundantly expressed in placenta and in a range of primary tissues and malignant cell lines. Expressed in fetal , but not adult , brain , and in primitive and myeloid , but not lymphoid , hematopoietic cells. ,
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