PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29021254-4 2017 We found that Chk1 interacts with and phosphorylates OGT at Ser-20, which not only stabilizes OGT, but also is required for cytokinesis. Serine 60-63 checkpoint kinase 1 Homo sapiens 14-18