[Term] id: PR:000025748 name: Janus kinase def: "A protein with core domain composition consisting of an N-termianl FERM domain, followed by a copy of the SH2 domain (Pfam:PF00017), and two copies of the Protein tyrosine kinase (Pfam:PF07714) domain. Janus kinase is a non-receptor tyrosine kinase." [PMID:15575979] comment: Category=family. xref: PIRSF:PIRSF000636 is_a: PR:000000001 ! protein