Modifier	Substrate	Residue	Sequence	Mechanism/Effect	PMID	Interaction ID
PPP3CA	PPP1R1A	Ser67 View in OncoXplorer	LKSTLAMsPRQRKKM	dephosphorylation unknown	11278334	SIGNOR-248693
Calcineurin	PPP1R1A	Ser67 View in OncoXplorer	LKSTLAMsPRQRKKM	dephosphorylation unknown	11278334	SIGNOR-252334
PPP2CB	PPP1R1A	Ser67 View in OncoXplorer	LKSTLAMsPRQRKKM	dephosphorylation unknown	11278334	SIGNOR-248602
PPP3CC	PPP1R1A	Ser67 View in OncoXplorer	LKSTLAMsPRQRKKM	dephosphorylation unknown	11278334	SIGNOR-248524
PPP3CB	PPP1R1A	Ser67 View in OncoXplorer	LKSTLAMsPRQRKKM	dephosphorylation unknown	11278334	SIGNOR-248379
CDK5	PPP1R1A	Ser67 View in OncoXplorer	LKSTLAMsPRQRKKM	phosphorylation unknown	11278334	SIGNOR-249194
PP2B	PPP1R1A	–		dephosphorylation unknown	11278334	SIGNOR-269991
PPP2CA	PPP1R1A	Ser67 View in OncoXplorer	LKSTLAMsPRQRKKM	dephosphorylation unknown	11278334	SIGNOR-248645

Enzyme	Effect	Phosphosite	Effect	Target	PMID	Interaction ID
PPP3CA	dephosphorylation down-regulates ⊣	PPP1R1A PSer67	dephosphorylation up-regulates →	PPP1R1A	11278334	SIGNOR-248693
Calcineurin	dephosphorylation down-regulates ⊣	PPP1R1A PSer67	dephosphorylation up-regulates →	PPP1R1A	11278334	SIGNOR-252334
PPP2CB	dephosphorylation down-regulates ⊣	PPP1R1A PSer67	dephosphorylation up-regulates →	PPP1R1A	11278334	SIGNOR-248602
PPP3CC	dephosphorylation down-regulates ⊣	PPP1R1A PSer67	dephosphorylation up-regulates →	PPP1R1A	11278334	SIGNOR-248524
PPP3CB	dephosphorylation down-regulates ⊣	PPP1R1A PSer67	dephosphorylation up-regulates →	PPP1R1A	11278334	SIGNOR-248379
CDK5	phosphorylation up-regulates →	PPP1R1A PSer67	phosphorylation down-regulates ⊣	PPP1R1A	11278334	SIGNOR-249194
PPP2CA	dephosphorylation down-regulates ⊣	PPP1R1A PSer67	dephosphorylation up-regulates →	PPP1R1A	11278334	SIGNOR-248645

Regulator	Mechanism/Effect	Target	SIGNOR-ID
PPP3CA	dephosphorylation → unknown	PPP1R1A	SIGNOR-248693
Calcineurin	dephosphorylation → unknown	PPP1R1A	SIGNOR-252334
PPP2CB	dephosphorylation → unknown	PPP1R1A	SIGNOR-248602
PPP3CC	dephosphorylation → unknown	PPP1R1A	SIGNOR-248524
PPP3CB	dephosphorylation → unknown	PPP1R1A	SIGNOR-248379
CDK5	phosphorylation → unknown	PPP1R1A	SIGNOR-249194
PP2B	dephosphorylation → unknown	PPP1R1A	SIGNOR-269991
PPP2CA	dephosphorylation → unknown	PPP1R1A	SIGNOR-248645