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:	Y431
P-Site Sequence:	LLYPVSKYQQDQVVK
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	Y431	LLYPVSKYQQDQVVK	100 / 9 AA	84
Phosphosite 1:	PIK3R2	O00459	Y428	LLYPVSKYQQDQIVK	100 / 9 AA	82
Phosphosite 2:	PIK3R3	Q92569	Y163	LMYPVSRYQQDQLVK	88 / 9 AA	54
Phosphosite 3:	PIK3R1	P27986	S429	VKLLYPVSKYQQDQV	100 / 7 AA	84
Phosphosite 4:	PIK3R2	O00459	S426	TRLLYPVSKYQQDQI	100 / 7 AA	82
Phosphosite 5:	PIK3R3	Q92569	S161	VKLMYPVSRYQQDQL	85 / 7 AA	54
Phosphosite 6:	ADCK2	Q7Z695	Y411	ESVPVSSYQQAGIPV	75 / 8 AA	69
Phosphosite 7:	ADCK2	Q7Z695	S410	EESVPVSSYQQAGIP	75 / 8 AA	69
Phosphosite 8:	ADCK2	Q7Z695	S409	YEESVPVSSYQQAGI	85 / 7 AA	69
Phosphosite 9:	CTSD	P07339	Y55	AKGPVSKYSQAVPAV	75 / 8 AA	45
Phosphosite 10:	DMP1	Q13316	Y22	CALPVTRYQNNESED	44 / 9 AA	56
Phosphosite 11:	HPR	P00739	Y288	FCVGMSKYQEDTCYG	71 / 7 AA	39
Phosphosite 12:	HP	P00738	Y346	FCAGMSKYQEDTCYG	71 / 7 AA	45
Phosphosite 13:	Ig lambda chain V-II region WIN	P01712	Y38	GYNHVSWYQQDPGKV	85 / 7 AA	12
Phosphosite 14:	USP13	Q92995	Y191	NELPVSKYANNLTQL	55 / 9 AA	97
Phosphosite 15:	TCF20	Q9UGU0	Y152	GLGGVSHYQQDYTGP	85 / 7 AA	212
Phosphosite 16:	CAPRIN1	Q14444	Y99	QLDAVSKYQEVTNNL	71 / 7 AA	78
Phosphosite 17:	MMRN1	Q13201	Y837	TTSQVRKYQQNMSHL	71 / 7 AA	138
Phosphosite 18:	CRISPLD2	Q9H0B8	Y38	LEELLSKYQHNESHS	50 / 8 AA	56
Phosphosite 19:	CXorf36	Q9H7Y0	Y120	IFRLVSKYQNEISDR	71 / 7 AA	49
Phosphosite 20:	WDR76	Q9H967	Y59	APFSLSNYQLDQLMC	55 / 9 AA	70