Protein
Serine/threonine-protein kinase TAO3
Organism
Rattus norvegicus
Function
Serine/threonine-protein kinase that acts as a regulator of the p38/MAPK14 stress-activated MAPK cascade and of the MAPK8/JNK cascade. Acts as an activator of the p38/MAPK14 stress-activated MAPK cascade. In response to DNA damage, involved in the G2/M transition DNA damage checkpoint by activating the p38/MAPK14 stress-activated MAPK cascade, probably by mediating phosphorylation of upstream MAP2K3 and MAP2K6 kinases. Inhibits basal activity of MAPK8/JNK cascade and diminishes its activation in response epidermal growth factor (EGF) (By similarity).
Similarity
Belongs to the protein kinase superfamily. STE Ser/Thr protein kinase family. STE20 subfamily.
Sequence
MRKGVLKDPEIAELFFKEDPEELFIDLHEIGHGSFGAVYFATNAHTNEVVAIKKMSYSGKQTHEKWQDILKEVRFLQQLKHPNTIEYKGCYLKEHTAWLVMEYCLGSASDLLEVHKKPLQEVEIAAITHGALQGLAYLHFHSLIHRDIKAGNILLTEPGQVKLADFGSASMASPANSFVGTPYWMAPEVILAMDEGQYDGKVDIWSLGITCIELAERKPPLFNMNAMSALYHIAQNDSPTLQSREWTDSFRRFVDYCLHKIPQERPAAAELLRHDFIRRERPPRVLIDLIQRTKDAVRELDNLQYRKMKKILFQETRNGPLNESQEEEEDSEQGSNLNREVDSLGSIHSIPSVSVSTGSRSSSVNSMQEVMDEGSPELVMMQEDEGTVNSSSSMVHKKDHVFVRDEAGHGDPRPEPRPTQSVQSRALHYRNRERFATIKSASLVTRQIHEHEQENELREQMSGYKRMRRQHQKQLIALENKLKAEMDEHRLKLQKEVETHANNSSIELEKLAKKQVATIEKEAKVAAADEKKFQQQILAQQKKDLTTFLESQKKQYKICKEKIKEEMNEDHSTPKKEKQERISKHKENLQHTQAEEEAHLLTQQRLYYDRNCRCFKRKIMTKRHEVEQQNIREELNKKRTQKEMEHAMLIRHDESTRELEYRQLHTLQKLRMDLIRLQHQTELENQLEYNKRRERELHRKHVMELRQQPKNLKAMEMQIKKQFQDTCKVQTKQYKALKNHQLEVTPKNEHKAILKTLKEEQTRKLAILAEQYEQSINEMMASQALRLDEAQEAECQALRLQLQQEMELLNAYQSKIKMQTEAQHERELQKLEQRVSLRRAHLEQKIEEELAALQKERSERIKTLLERQERETETFDMESLRMGFGNLVTLDFPKEDYR