PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10413323-2 1999 Many of the phosphorylation sites on tau are serine/threonine-proline sequences, several of which are phosphorylated in vitro by neuronal Cdc2-like kinase (Nclk), a kinase composed of Cdk5 and its activator(s). Proline 62-69 cyclin dependent kinase 5 Homo sapiens 184-188