Protein
Glycogen synthase kinase-3
Organism
Dictyostelium discoideum
Function
During cellular differentiation, may mediate an extracellular cyclic AMP stimulated signal transduction pathway that regulates prespore and prestalk B-cell proportions through inhibition of stalk cell formation and induction of prespore cell differentiation. The cAMP receptor carC appears to activate gskA via the tyrosine kinases zakA and zak2, to stimulate prespore differentiation, while carD appears to negatively regulate gskA, to promote prestalk formation.
Similarity
Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. GSK-3 subfamily.
Sequence
MSSKDQILEKDKKETDDNGNKKTTTTTSSSSSSSSSSKPRSNKFDKVIIKSNGVCYITEGVIGNGSFGVVTQAIVADTKEVVAIKKVLQDQRYKNRELQIMKMLNHINIVSLKNSFYTSDNDEVYLNLVLEYVPDTVYRVSRHYSMSKQPVPNIFVKLYIYQLCRSINYIHSLGICHRDIKPQNLLLDTSTSTLKLCDFGSAKILIKGETNVSYICSRHYRAPELIFGSTNYTTTIDVWSLGCVLAELLLGQPLFPGENGIDQLVEIIKVLGTPTKEQIHAMNPYYTSFKFPEIKANPWPRVFKAKDVPAESIDLISKILLYDPSSRLKPVEICAHPFFDELRDPKTCLPDGKPLPPLFNFTIAEQTSIGPKLAKTLIPSHAMNQIELPSPLFPNLAISSSNQSSSSNSNANVSSNLNSHSASPSTTSSSSSTPNSIPVQSPSTTNTTSSTTNNTTTTTTTTTTSNH