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:	SHANK2
Human P-Site:	S431
P-Site Sequence:	SRCFPAGSDMNSVYE
UniProt:	Q9UPX8
Intern. Prot. ID:	IPI00107633

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SHANK2	Q9UPX8	S431	SRCFPAGSDMNSVYE	100 / 9 AA	159
Phosphosite 1:	SOCS5	O75159	S224	KCPFPAGSDLAQKWH	85 / 7 AA	61
Phosphosite 2:	neurogenin 2	Q9H2A3	S246	SPASPAGSDMDYWQP	85 / 7 AA	29
Phosphosite 3:	EGR4	Q05215	S134	DAPFPAGSDALLPGP	100 / 6 AA	51
Phosphosite 4:	ATG4B	Q9Y4P1	S199	ATAFPADSDRHCNGF	55 / 9 AA	44
Phosphosite 5:	TTPAL	Q9BTX7	S256	NRFFLHGSDLNSLHT	66 / 9 AA	39
Phosphosite 6:	CALCOCO1	Q9P1Z2	S667	KERFPAESDKDALED	55 / 9 AA	77
Phosphosite 7:	RIZ	Q13029	S1505	GHSSPASSDKNSNSN	75 / 8 AA	189
Phosphosite 8:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S503	KGKVPAGSDVISEYV	75 / 8 AA	74
Phosphosite 9:	ERVK6	Q7LDI9	S503	KGKVPAGSDVISEYV	75 / 8 AA	74
Phosphosite 10:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S503	KGKVPAGSDVISEYV	75 / 8 AA	74
Phosphosite 11:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S503	KGKVPAGSDVISEYV	75 / 8 AA	74
Phosphosite 12:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	S503	KGKVPAGSDVISEYV	75 / 8 AA	74
Phosphosite 13:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S503	KGKVPAGSDVISEYV	75 / 8 AA	124
Phosphosite 14:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S503	KGKVPAGSDVISEYV	75 / 8 AA	74
Phosphosite 15:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S503	KGKVPAGSDVISEYV	75 / 8 AA	72
Phosphosite 16:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S503	KGKVPAGSDVISEYV	75 / 8 AA	74
Phosphosite 17:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S503	KGKVPAGSDVISEYV	75 / 8 AA	74
Phosphosite 18:	PIK3R4	Q99570	S1261	PILLTAGSDMKIRFW	62 / 8 AA	153
Phosphosite 19:	PNPLA6	Q8IY17	S756	QGPFPAGSGLGVPPH	62 / 8 AA	150
Phosphosite 20:	eNOS	P29474	S1198	WAFDPPGSDTNSP__	75 / 8 AA	133