Modifier	Substrate	Residue	Sequence	Mechanism/Effect	PMID	Interaction ID
BMPR1B	STAMBP	Ser48 View in OncoXplorer	VEIIRMAsIYSEEGN	phosphorylation up-regulates activity	11483516	SIGNOR-250600

Enzyme	Effect	Phosphosite	Effect	Target	PMID	Interaction ID
BMPR1B	phosphorylation up-regulates →	STAMBP PSer48	phosphorylation up-regulates →	STAMBP	11483516	SIGNOR-250600

Regulator	Mechanism/Effect	Target	SIGNOR-ID
BMPR1B	phosphorylation → up-regulates activity	STAMBP	SIGNOR-250600