Modifier	Substrate	Residue	Sequence	Mechanism/Effect	PMID	Interaction ID
CSNK2A1	OTUB1	Ser16 View in OncoXplorer	QKQEPLGsDSEGVNC	phosphorylation up-regulates activity	34785775	SIGNOR-276527

Enzyme	Effect	Phosphosite	Effect	Target	PMID	Interaction ID
CSNK2A1	phosphorylation up-regulates →	OTUB1 PSer16	phosphorylation up-regulates →	OTUB1	34785775	SIGNOR-276527

Regulator	Mechanism/Effect	Target	SIGNOR-ID
CSNK2A1	phosphorylation → up-regulates activity	OTUB1	SIGNOR-276527