part of JUN kinase activity https://github.com/geneontology/go-ontology/issues/28520 Reactome:R-HSA-204949 JNK molecular_function Reactome:R-HSA-205075 c-Jun N-terminal kinase activity Reactome:R-HSA-205132 GO:0004705 Catalysis of the reaction: JUN + ATP = JUN phosphate + ADP. This reaction is the phosphorylation and activation of members of the JUN family, a gene family that encodes nuclear transcription factors. Reactome:R-HSA-168136 Reactome:R-HSA-9673789 JNK3alpha1 SAPK1 MAP kinase activity JNK cascade