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:	S652
P-Site Sequence:	TFLVRESSKQGCYAC
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	S652	TFLVRESSKQGCYAC	100 / 9 AA	84
Phosphosite 1:	PIK3R1	P27986	S651	GTFLVRESSKQGCYA	100 / 8 AA	84
Phosphosite 2:	PIK3R3	Q92569	S386	AFLIRESSKKGCYAC	77 / 9 AA	54
Phosphosite 3:	PIK3R2	O00459	S650	TFLIRESSQRGCYAC	66 / 9 AA	82
Phosphosite 4:	PIK3R3	Q92569	S385	GAFLIRESSKKGCYA	75 / 8 AA	54
Phosphosite 5:	Btk	Q06187	S309	GGFIVRDSSKAGKYT	75 / 8 AA	76
Phosphosite 6:	Btk	Q06187	S310	GFIVRDSSKAGKYTV	75 / 8 AA	76
Phosphosite 7:	C1orf125	Q5T1B0	S908	VLSSWRESAKQGTLA	85 / 7 AA	118
Phosphosite 8:	NBPF11	Q86T75	S247	LVVDRESSHDGCQDA	75 / 8 AA	68
Phosphosite 9:	NBPF8	Q3BBV2	S212	LVVDRESSHDGCQDA	75 / 8 AA	99
Phosphosite 10:	NBPF21	A6NDD8	S247	LVVDRESSHDGCQDA	75 / 8 AA	68
Phosphosite 11:	ZIC1	Q15915	S387	HMKVHESSSQGSQPS	66 / 9 AA	48
Phosphosite 12:	AFF4	Q9UHB7	S801	PSSNRESSKQSAAKE	85 / 7 AA	127
Phosphosite 13:	AFF4	Q9UHB7	S800	KPSSNRESSKQSAAK	85 / 7 AA	127
Phosphosite 14:	PNN	Q9H307	S375	EETEVRESEKQQDSQ	85 / 7 AA	82
Phosphosite 15:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S447	FNTVRQSSKEPYPDF	55 / 9 AA	74
Phosphosite 16:	ZIC1	Q15915	S386	KHMKVHESSSQGSQP	75 / 8 AA	48
Phosphosite 17:	ZMYM4	Q5VZL5	S162	FSLVRENSKETFSGK	71 / 7 AA	173
Phosphosite 18:	ENTHD1	Q8IYW4	S124	GYYIREKSKQVITLL	55 / 9 AA	68
Phosphosite 19:	GRIN3A	Q8TCU5	S801	FGTVRESSAEDYVRQ	55 / 9 AA	125
Phosphosite 20:	LCP2	Q13094	S451	TFLVRDSSKKTTTNP	71 / 7 AA	60