The classic protein kinase fold to which other families of protein kinase- ike (PKL) proteins are usually referred. PKL domain is found in serine/threonine-protein kinases, tyrosine-protein kinases, and dual specificity protein kinases [PMID: 1956325].
Manual curation (based ona pfam seed); HMMSEARCH: 0.0001; database: nr; sequence_cutoff: 100aa; clustering: psicdhit: 30%