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:	SHANK3
Human P-Site:	S419
P-Site Sequence:	DRDADQESNISGPLA
UniProt:	Q9BYB0
Intern. Prot. ID:	IPI00738457

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SHANK3	Q9BYB0	S419	DRDADQESNISGPLA	100 / 9 AA	186
Phosphosite 1:	SAMD9	Q5K651	S446	VLEFDPESNINGVVK	75 / 8 AA	184
Phosphosite 2:	MATR3	P43243	S109	RGDADQASNILASFG	85 / 7 AA	95
Phosphosite 3:	MYST4	Q8WYB5	S1726	CAVTQQMSNISGSCS	66 / 9 AA	231
Phosphosite 4:	USP34	Q70CQ2	S191	EDISTQESNILGAFC	85 / 7 AA	404
Phosphosite 5:	KIAA0329	O15040	S529	ESPDQESSFNGEVNG	62 / 8 AA	154
Phosphosite 6:	TTN	Q8WZ42	S28022	RPIADGGSDISGYFL	66 / 9 AA	3816
Phosphosite 7:	HIVEP3	Q5T1R4	S936	SRSPSQESNVSLSGS	62 / 8 AA	259
Phosphosite 8:	C5orf42	Q9H799	S978	HLGESQESNLRGCGD	71 / 7 AA	237
Phosphosite 9:	KLKB1	P03952	T275	SSTPQENTISGYSLL	71 / 7 AA	71
Phosphosite 10:	MVP	Q14764	S23	IHVLDQNSNVSRVEV	71 / 7 AA	99
Phosphosite 11:	SARG	Q9BW04	S469	SGLTLQESNTPGLRQ	71 / 7 AA	64
Phosphosite 12:	SARG	Q9BW04	T471	LTLQESNTPGLRQMN	71 / 7 AA	64
Phosphosite 13:	C1orf223	Q6PEX7	S172	RSHADQDSNPKAEAP	83 / 6 AA	29
Phosphosite 14:	DHX36	Q9H2U1	S821	RNPKDPESNINSDNE	62 / 8 AA	115
Phosphosite 15:	SLC4A10	Q6U841	S686	TLKEWRESNISASDI	71 / 7 AA	126
Phosphosite 16:	SYNE1	Q8NF91	S2354	KELQSQQSNISSTQE	71 / 7 AA	1011
Phosphosite 17:	ERBB3	P21860	S1069	LGESCQESAVSGSSE	71 / 7 AA	148
Phosphosite 18:	ABCC3	O15438	S1252	RMMSDLESNIVAVER	83 / 6 AA	169
Phosphosite 19:	ZNF880	Q6PDB4	S129	FQAERNISGCKHVEK	83 / 6 AA	67
Phosphosite 20:	FBXW10	Q5XX13	S168	LREENNISGLNQDIT	83 / 6 AA	120