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:	S581
P-Site Sequence:	RRELDRYSLDSEDLY
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	S581	RRELDRYSLDSEDLY	100 / 9 AA	159
Phosphosite 1:	SHANK2	Q9UPX8	Y580	FRRELDRYSLDSEDL	100 / 8 AA	159
Phosphosite 2:	RPL17	P18621	S5	___MVRYSLDPENPT	66 / 9 AA	21
Phosphosite 3:	PKP3	Q9Y446	S196	GGLDDRYSLVSEQLE	87 / 8 AA	87
Phosphosite 4:	MARCH-IV	Q9P2E8	Y148	KEKTEDRYSLGSSLD	85 / 7 AA	46
Phosphosite 5:	MARCH-IV	Q9P2E8	S149	EKTEDRYSLGSSLDS	85 / 7 AA	46
Phosphosite 6:	LRRN1	Q6UXK5	Y306	ELVSVDRYALDNLPE	62 / 8 AA	81
Phosphosite 7:	RGS9	O75916	Y178	ERNKADRYALDCQEK	71 / 7 AA	77
Phosphosite 8:	KCNH8	Q96L42	Y348	LLQKLDRYSQHSTIV	75 / 8 AA	124
Phosphosite 9:	KCNH8	Q96L42	S349	LQKLDRYSQHSTIVL	75 / 8 AA	124
Phosphosite 10:	C5orf42	Q9H799	Y332	EAPGVDRYSLGTSLS	62 / 8 AA	237
Phosphosite 11:	GPR1	P46091	S23	SYDLDYYSLESDLEE	66 / 9 AA	41
Phosphosite 12:	NBEAL1	Q6ZS30	S46	WSLEDRHSLDSNTPL	85 / 7 AA	151
Phosphosite 13:	C5orf42	Q9H799	S333	APGVDRYSLGTSLSR	62 / 8 AA	237
Phosphosite 14:	NUP160	Q12769	S382	STESNRYSLDHISSL	83 / 6 AA	162
Phosphosite 15:	OVOS1	Q6IE37	S432	KVVTVHYSLNSEAYE	71 / 7 AA	134
Phosphosite 16:	OVOS2	Q6IE36	S460	KVVTVHYSLNSEAYE	71 / 7 AA	156
Phosphosite 17:	NUP160	Q12769	Y381	VSTESNRYSLDHISS	83 / 6 AA	162
Phosphosite 18:	EOMES	O95936	Y134	AAAATARYSMDSLSS	83 / 6 AA	73
Phosphosite 19:	ADK	P55263	S49	KDFLDKYSLKPNDQI	55 / 9 AA	41
Phosphosite 20:	ADK	P55263	Y48	DKDFLDKYSLKPNDQ	62 / 8 AA	41