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:	PIK3R1
Human P-Site:	Y580
P-Site Sequence:	LRKTRDQYLMWLTQK
UniProt:	P27986
Intern. Prot. ID:	IPI00021448

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PIK3R1	P27986	Y580	LRKTRDQYLMWLTQK	100 / 9 AA	84
Phosphosite 1:	PIK3R2	O00459	Y577	LRKIRDQYLVWLTQK	77 / 9 AA	82
Phosphosite 2:	KHS2	Q8IVH8	Y574	NPDTRDQYLIFGAEE	75 / 8 AA	101
Phosphosite 3:	AADACL1	Q6PIU2	Y400	GIRTRNSYIKWLDQN	55 / 9 AA	46
Phosphosite 4:	OTUD5	Q96G74	Y407	EQVARESYLQWLRDQ	55 / 9 AA	61
Phosphosite 5:	C3	P01024	Y1602	KLEEKKHYLMWGLSS	57 / 7 AA	187
Phosphosite 6:	DCTD	P32321	Y12	SCKKRDDYLEWPEYF	62 / 8 AA	20
Phosphosite 7:	MED15	Q96RN5	Y55	KAKTRDEYLSLVARL	55 / 9 AA	87
Phosphosite 8:	AADACL2	Q6P093	Y393	GLRIRDMYVSWLDKN	55 / 9 AA	46
Phosphosite 9:	C10orf97	Q9H8M7	Y172	KDAVLDQYSMWGNKF	83 / 6 AA	50
Phosphosite 10:	HAS2	Q92819	Y344	LTETPIEYLRWLNQQ	55 / 9 AA	64
Phosphosite 11:	GOLGB1	Q14789	Y2970	ERRMKEQYLMAISDK	66 / 6 AA	376
Phosphosite 12:	B4GALT3	O60512	Y245	SALTPDQYLKMNGFP	71 / 7 AA	44
Phosphosite 13:	SAGE1	Q9NXZ1	T618	TGVSSMSTRDQYAAV	100 / 5 AA	99
Phosphosite 14:	SAGE1	Q9NXZ1	Y622	SMSTRDQYAAVTHNI	100 / 5 AA	99
Phosphosite 15:	SAGE1	Q9NXZ1	T430	AGIPPMSTRDQYATV	100 / 5 AA	99
Phosphosite 16:	C8A	P07357	Y490	LRRALDQYLMEFNAC	100 / 5 AA	65
Phosphosite 17:	SAGE1	Q9NXZ1	Y434	PMSTRDQYATVNHHV	100 / 5 AA	99
Phosphosite 18:	TTN	Q8WZ42	Y32937	YKKIRDQYEMPGKLD	71 / 7 AA	3816
Phosphosite 19:	SAGE1	Q9NXZ1	Y575	AMSTRDQYATVTHNV	100 / 5 AA	99
Phosphosite 20:	SAGE1	Q9NXZ1	Y340	GMNTRDQYATITHNV	100 / 5 AA	99