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:	IRS1
Human P-Site:	S503
P-Site Sequence:	PGTGLGTSPALAGDE
UniProt:	P35568
Intern. Prot. ID:	IPI00019471

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IRS1	P35568	S503	PGTGLGTSPALAGDE	100 / 9 AA	132
Phosphosite 1:	CORO7	P57737	S457	STSGIGTSPSLRSLQ	75 / 8 AA	101
Phosphosite 2:	CORO7	P57737	T456	SSTSGIGTSPSLRSL	75 / 8 AA	101
Phosphosite 3:	SLC35C2	Q9NQQ7	S336	ALKGLGSSPDLELLL	66 / 9 AA	40
Phosphosite 4:	SLC35C2	Q9NQQ7	S335	KALKGLGSSPDLELL	75 / 8 AA	40
Phosphosite 5:	ZNF553	Q96MX3	S409	PPPPLGTSPPLTPRS	75 / 8 AA	68
Phosphosite 6:	SYNJ1	O43426	T1040	SSSSGLGTSPSSSPR	85 / 7 AA	173
Phosphosite 7:	SYNJ1	O43426	S1041	SSSGLGTSPSSSPRT	85 / 7 AA	173
Phosphosite 8:	RNF145	Q96MT1	T589	SQLPGLGTEPVLQPH	75 / 8 AA	76
Phosphosite 9:	ZNF553	Q96MX3	T408	PPPPPLGTSPPLTPR	85 / 7 AA	68
Phosphosite 10:	Putative keratin-associated protein 10-like ENSP00000375148	A8MX34	T314	CCVTGLGTSPSSGSN	85 / 7 AA	35
Phosphosite 11:	MAP3K13	O43283	T797	LGTSHLGTPPALPRK	85 / 7 AA	108
Phosphosite 12:	Putative keratin-associated protein 10-like ENSP00000375148	A8MX34	S315	CVTGLGTSPSSGSNC	85 / 7 AA	35
Phosphosite 13:	RERE	Q9P2R6	S888	GQAPLGTSPAAAYPH	87 / 8 AA	172
Phosphosite 14:	NCDN	Q9UBB6	S583	MARLLSTSPALQGTP	85 / 7 AA	79
Phosphosite 15:	Cip1 (p21)	P38936	T97	GGGRRPGTSPALLQG	100 / 6 AA	18
Phosphosite 16:	EPSTI1	Q96J88	S15	VNSGLGASPASRPTR	85 / 7 AA	37
Phosphosite 17:	MICALL1	Q8N3F8	S447	AAPSLATSPALGHPE	75 / 8 AA	93
Phosphosite 18:	CCDC21	Q6P2H3	T101	VMPSTLGTSPAKPNS	100 / 6 AA	86
Phosphosite 19:	CLPB	Q9H078	S59	TGGRPGTSPALFSGR	100 / 6 AA	79
Phosphosite 20:	CLPB	Q9H078	T58	ATGGRPGTSPALFSG	100 / 6 AA	79