Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	SYNGAP1
Human P-Site:	S300
P-Site Sequence:	RTTSKPRSASGDTVF
UniProt:	Q96PV0
Intern. Prot. ID:	IPI00177884

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SYNGAP1	Q96PV0	S300	RTTSKPRSASGDTVF	100 / 9 AA	148
Phosphosite 1:	SYNGAP1	Q96PV0	S302	TSKPRSASGDTVFWG	100 / 7 AA	148
Phosphosite 2:	ZNF541	Q9H0D2	S491	EAPSDPRSASGEDDP	77 / 9 AA	148
Phosphosite 3:	ZNF541	Q9H0D2	S493	PSDPRSASGEDDPCA	85 / 7 AA	148
Phosphosite 4:	SKT	Q5T5P2	S526	VYIEKPRSAAGLSSL	85 / 7 AA	214
Phosphosite 5:	SHROOM1	Q2M3G4	S306	RPASRSRSASGEVLG	66 / 9 AA	91
Phosphosite 6:	NECAP1	Q8NC96	T178	GGASKPRTARGGGLS	66 / 9 AA	30
Phosphosite 7:	AP1G1	O43747	S651	APTSKPSSAGGELLD	66 / 9 AA	91
Phosphosite 8:	PRX	Q9BXM0	S1423	SLSPKARSGSGDQEE	75 / 8 AA	155
Phosphosite 9:	DNAJB2	P25686	S15	LDVPRSASADDIKKA	85 / 7 AA	36
Phosphosite 10:	DNAJB2	P25686	S13	EILDVPRSASADDIK	85 / 7 AA	36
Phosphosite 11:	Putative uncharacterized protein FLJ43185	P0C879	S60	PFSSSPRSASGRLRG	87 / 8 AA	14
Phosphosite 12:	GPR150	Q8NGU9	T117	LGEPRAATGDLACRF	71 / 7 AA	46
Phosphosite 13:	Kv7.2	O43526	T857	GPPPRSATGEGPFGD	71 / 7 AA	96
Phosphosite 14:	Kv7.2	O43526	S855	PCGPPPRSATGEGPF	71 / 7 AA	96
Phosphosite 15:	APBA2	Q99767	S478	ARRRMPRSASQDCIE	75 / 8 AA	83
Phosphosite 16:	KIAA1731	Q9C0D2	T2463	LSIEKPRTASTETPR	62 / 8 AA	295
Phosphosite 17:	SYNGAP1	Q96PV0	S1087	AAQKPRPSSGNLLQS	62 / 8 AA	148
Phosphosite 18:	FAM171A2	A8MVW0	S422	FFRTKPRSASRPAAE	85 / 7 AA	87
Phosphosite 19:	SH3PXD2A	Q5TCZ1	S722	SGDLKPRSASDAGIR	100 / 6 AA	125
Phosphosite 20:	ZNF618	Q5T7W0	S855	PAAKKPRSAAVENPA	62 / 8 AA	105