Protein kinase family protein; FUNCTIONS IN: kinase activity; INVOLVED IN: protein amino acid phosphorylation; CONTAINS InterPro DOMAIN/s: Protein kinase, ATP binding site (InterPro:IPR017441), Protein kinase, catalytic domain (InterPro:IPR000719), Serine/threonine-protein kinase-like domain (InterPro:IPR017442), Protein kinase-like domain (InterPro:IPR011009), Serine/threonine-protein kinase, active site (InterPro:IPR008271); BEST Arabidopsis thaliana protein match is: Protein kinase superfamily protein (TAIR:AT3G53840.1); Has 114140 Blast hits to 113200 proteins in 4569 species: Archae - 121; Bacteria - 12456; Metazoa - 42740; Fungi - 9504; Plants - 32338; Viruses - 412; Other Eukaryotes - 16569 (source: NCBI BLink).