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:	CTLA-4
Human P-Site:	S194
P-Site Sequence:	SKMLKKRSPLTTGVY
UniProt:	P16410
Intern. Prot. ID:	IPI00028559

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTLA-4	P16410	S194	SKMLKKRSPLTTGVY	100 / 9 AA	25
Phosphosite 1:	SCN7A	Q01118	S442	QIEMKKRSPISTDTS	66 / 9 AA	193
Phosphosite 2:	TRIOBP	Q9H2D6	S1510	PRELGKRSPLTSPPE	77 / 9 AA	261
Phosphosite 3:	PPP1R13B	Q96KQ4	S709	PRPLKKRSSITEPEG	75 / 8 AA	120
Phosphosite 4:	TP53BP2	Q13625	S736	PRPLKKRSSITEPEG	75 / 8 AA	126
Phosphosite 5:	Putative uncharacterized protein FLJ42213	Q6ZVQ6	S7	_MHAGKRSPLTQSIS	100 / 6 AA	17
Phosphosite 6:	G-alpha3(i)	P08754	S281	FEEKIKRSPLTICYP	85 / 7 AA	41
Phosphosite 7:	ATP8B1	O43520	S1232	RSIRKKRSPLDAIVA	75 / 8 AA	144
Phosphosite 8:	DNAH5	Q8TE73	S2417	EGFLKKRSPQEAEIL	100 / 6 AA	529
Phosphosite 9:	NOT1	A5YKK6	S2188	DSYLKTRSPVTFLSD	75 / 8 AA	241
Phosphosite 10:	ZNF272	Q14592	S489	GKAFNRRSPLTRHQR	62 / 8 AA	64
Phosphosite 11:	LRRC53	A6NM62	S284	TLVLKDRSPLLPGPD	85 / 7 AA	141
Phosphosite 12:	F8	P00451	S946	TLFGKKSSPLTESGG	85 / 7 AA	267
Phosphosite 13:	F8	P00451	S945	TTLFGKKSSPLTESG	85 / 7 AA	267
Phosphosite 14:	ABCA2	Q9BZC7	S21	NVTLKRRSPWVLAFE	62 / 8 AA	270
Phosphosite 15:	MIDN	Q504T8	S137	SDFLSGRSPLTLALR	75 / 8 AA	49
Phosphosite 16:	GAS2L3	Q86XJ1	S19	DLPLSPRSPLTPRHG	75 / 8 AA	75
Phosphosite 17:	C15orf59	Q2T9L4	S243	APYKSRRSPLTSRHS	71 / 7 AA	32
Phosphosite 18:	POPDC3	Q9HBV1	S276	STPEIRRSPLTQHFQ	83 / 6 AA	34
Phosphosite 19:	WHSC1L1	Q9BZ95	S634	CKPLKKRSRASTDVE	66 / 9 AA	162
Phosphosite 20:	KCNJ8	Q15842	S275	CHVIDKRSPLYDISA	71 / 7 AA	48