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.
Synonyms:
exact_synonym:
JNK
narrow_synonym:
SAPK1; c-Jun N-terminal kinase activity
related_synonym:
JNK3alpha1
xref:
Reactome:R-HSA-9673789 "Activated JNK phosphorylates c-JUN"; reactome:R-HSA-168136 "Activated JNKs phosphorylate c-JUN"; reactome:R-HSA-204949 "NRIF and TRAF6 may activate JNK"; reactome:R-HSA-205075 "JNK phosphorylates BIM, BAD and other targets"; reactome:R-HSA-205132 "NRAGE activates JNK"