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:	S421
P-Site Sequence:	ASVSGSPSDGGFISS
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	S421	ASVSGSPSDGGFISS	100 / 9 AA	132
Phosphosite 1:	IRS2	Q9Y4H2	S493	ASASGSPSDPGFMSL	88 / 9 AA	137
Phosphosite 2:	FNDC3A	Q9Y2H6	S495	SKPSGTPSDEGISYI	66 / 9 AA	132
Phosphosite 3:	IRS1	P35568	S419	SSASVSGSPSDGGFI	100 / 7 AA	132
Phosphosite 4:	Myc	P01106	S283	RSESGSPSAGGHSKP	77 / 9 AA	49
Phosphosite 5:	ARFGEF3	Q5TH69	S1951	QSESSTPSTGGFSGK	66 / 9 AA	241
Phosphosite 6:	RNF19B	Q6ZMZ0	T500	LSTSGSPTDGLSVMQ	85 / 7 AA	78
Phosphosite 7:	HERC1	Q15751	S3485	EESLGSPSDPSFSPV	75 / 8 AA	532
Phosphosite 8:	MDFIC	Q9P1T7	S66	QSIWGNPSDGELIRT	55 / 9 AA	37
Phosphosite 9:	GPR112	Q8IZF6	S1324	EIPLGTPSDGNLASS	62 / 8 AA	301
Phosphosite 10:	Rb-like 2	Q08999	S690	FVENDSPSDGGTPGR	75 / 8 AA	128
Phosphosite 11:	Pard6g	Q9BYG4	S270	LGSSGPPSDGTAGFV	85 / 7 AA	41
Phosphosite 12:	DOT1L	Q8TEK3	S1032	KGDLPSDSGFSDPES	83 / 6 AA	185
Phosphosite 13:	PRB3	Q04118	S230	GKPEGSPSQGGNKPQ	85 / 7 AA	31
Phosphosite 14:	C20orf200	Q96NR2	S64	LHCREGPSDSGFQPH	83 / 6 AA	14
Phosphosite 15:	AKT1	P31749	S124	EMDFRSGSPSDNSGA	100 / 6 AA	56
Phosphosite 16:	FAM169A	Q9Y6X4	S539	TMSNEERSDGGFPNS	83 / 6 AA	75
Phosphosite 17:	AKT1	P31749	S126	DFRSGSPSDNSGAEE	100 / 6 AA	56
Phosphosite 18:	C20orf200	Q96NR2	S66	CREGPSDSGFQPHPG	83 / 6 AA	14
Phosphosite 19:	DOT1L	Q8TEK3	S1030	ASKGDLPSDSGFSDP	83 / 6 AA	185
Phosphosite 20:	TSHZ3	Q63HK5	S660	PIKMEASSDGGFRSQ	71 / 7 AA	119