Receptor-interacting serine-threonine kinase 4 (RIPK4/PKK) is a serine/threonine protein kinase which interacts with protein kinase C-delta, but also activates NFkappaB, and interacts with the Wnt3a coreceptor LRP6 after Wnt3a stimulation. RIPK4 is required for keratinocyte differentiation and has broad expression in epithelial tissues. Down regulation of RIPK4 has been observed in squamous cell carcinomas, hepatocellular carcinoma, urothelial carcinoma and cervical carcinoma. Mutations in in the RIPK4 gene cause Popliteal pterygium syndrome, lethal type (PPS-L), CHAND syndrome and Bartsocas-Papas syndrome.
| Uniprot | Human |
| Product By Gene ID | 54101 |
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