Modifier	Substrate	Residue	Sequence	Mechanism/Effect	PMID	Interaction ID
ABL1	CD19	Tyr508	EDMRGILyAAPQLRS	phosphorylation up-regulates activity	11120811	SIGNOR-245283
LYN	CD19	–		phosphorylation up-regulates activity	25673924	SIGNOR-242891
LYN	CD19	Tyr531 View in OncoXplorer	HEEDADSyENMDNPD	phosphorylation up-regulates activity	10933394	SIGNOR-249377
LYN	CD19	Tyr531 View in OncoXplorer	HEEDADSyENMDNPD	phosphorylation up-regulates	10933394	SIGNOR-80294
LYN	CD19	Tyr500	TSLGSQSyEDMRGIL	phosphorylation up-regulates activity	10933394	SIGNOR-249376
LYN	CD19	Tyr500	TSLGSQSyEDMRGIL	phosphorylation up-regulates	10933394	SIGNOR-80290

Enzyme	Effect	Phosphosite	Effect	Target	PMID	Interaction ID
ABL1	phosphorylation up-regulates →	CD19 PTyr508	phosphorylation up-regulates →	CD19	11120811	SIGNOR-245283
LYN	phosphorylation up-regulates →	CD19 PTyr531	phosphorylation up-regulates →	CD19	10933394	SIGNOR-249377
LYN	phosphorylation up-regulates →	CD19 PTyr531	phosphorylation up-regulates →	CD19	10933394	SIGNOR-80294
LYN	phosphorylation up-regulates →	CD19 PTyr500	phosphorylation up-regulates →	CD19	10933394	SIGNOR-249376
LYN	phosphorylation up-regulates →	CD19 PTyr500	phosphorylation up-regulates →	CD19	10933394	SIGNOR-80290

Regulator	Mechanism/Effect	Target	SIGNOR-ID
ABL1	phosphorylation → up-regulates activity	CD19	SIGNOR-245283
LYN	phosphorylation → up-regulates activity	CD19	SIGNOR-242891
LYN	phosphorylation → up-regulates activity	CD19	SIGNOR-249377
LYN	phosphorylation → up-regulates	CD19	SIGNOR-80294
LYN	phosphorylation → up-regulates activity	CD19	SIGNOR-249376
LYN	phosphorylation → up-regulates	CD19	SIGNOR-80290