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:	S303
P-Site Sequence:	QVGLTRRSRTESITA
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	S303	QVGLTRRSRTESITA	100 / 9 AA	132
Phosphosite 1:	IRS2	Q9Y4H2	S342	QTGLVRRSRTDSLAA	77 / 9 AA	137
Phosphosite 2:	TRIOBP	Q9H2D6	S1369	QAELTRRSQAEPPHP	66 / 9 AA	261
Phosphosite 3:	IRS1	P35568	T305	GLTRRSRTESITATS	100 / 7 AA	132
Phosphosite 4:	TPCN1	Q9ULQ1	S762	MVFLGRRSRTKSDLS	77 / 9 AA	94
Phosphosite 5:	IRS2	Q9Y4H2	T344	GLVRRSRTDSLAATP	85 / 7 AA	137
Phosphosite 6:	C14orf145	Q6ZU80	S190	NRELSRRSRSDAETK	55 / 9 AA	128
Phosphosite 7:	SRRM2	Q9UQ35	S1707	KARLSRRSRSASSSP	66 / 9 AA	300
Phosphosite 8:	C18orf25	Q96B23	S143	VGRKSRRSRSESETS	75 / 8 AA	43
Phosphosite 9:	C7orf33	Q8WU49	S172	SVEATRISRTDSS__	75 / 8 AA	19
Phosphosite 10:	SCAI	Q8N9R8	T34	PRKRRSRTEFALKEI	100 / 6 AA	70
Phosphosite 11:	IRS1	P35568	T300	PPSQVGLTRRSRTES	100 / 6 AA	132
Phosphosite 12:	ZNF296	Q8WUU4	S230	GSGLTRRSPTCPVCK	85 / 7 AA	51
Phosphosite 13:	C18orf25	Q96B23	S145	RKSRRSRSESETSTM	85 / 7 AA	43
Phosphosite 14:	SCAI	Q8N9R8	S32	KPPRKRRSRTEFALK	100 / 6 AA	70
Phosphosite 15:	NOC3L	Q8WTT2	S731	KPELSRRSATELFEA	75 / 8 AA	93
Phosphosite 16:	LHX9	Q9NQ69	S41	MEEMERRSKTEARLA	55 / 9 AA	44
Phosphosite 17:	MANBA	O00462	S640	ETEFYRRSRSEIVDQ	62 / 8 AA	101
Phosphosite 18:	CRIK	O14578	S1818	VDSYGRRSRTDDLKW	83 / 6 AA	231
Phosphosite 19:	CACNA1E	Q15878	S418	RRATIKRSRTEAMTR	71 / 7 AA	262
Phosphosite 20:	SON	P18583	S1992	SRTPSRRSRTPSRRR	75 / 8 AA	264