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:	PIK3R4
Human P-Site:	S894
P-Site Sequence:	GKPPRSESSAGICVP
UniProt:	Q99570
Intern. Prot. ID:	IPI00024006

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PIK3R4	Q99570	S894	GKPPRSESSAGICVP	100 / 9 AA	153
Phosphosite 1:	RB1CC1	Q8TDY2	S658	ASSPRMESTAGITTT	77 / 9 AA	183
Phosphosite 2:	SH3PXD2A	Q5TCZ1	S724	DLKPRSASDAGIRGT	77 / 9 AA	125
Phosphosite 3:	PIK3R4	Q99570	S892	QTGKPPRSESSAGIC	100 / 7 AA	153
Phosphosite 4:	ADRA1D	P25100	S18	FEGPRPDSSAGGSSA	75 / 8 AA	60
Phosphosite 5:	TANC1	Q9C0D5	S290	STLPKAESSAGDGPV	75 / 8 AA	202
Phosphosite 6:	CAMSAP1L1	Q08AD1	S1313	KRTPRSESVEGFLSP	66 / 9 AA	168
Phosphosite 7:	R-Ras	P10301	S155	SQRQVPRSEASAFGA	85 / 7 AA	23
Phosphosite 8:	ZNF843	Q8N446	S91	PLGRSHSSAGVRQGF	75 / 8 AA	37
Phosphosite 9:	ZNF843	Q8N446	S90	SPLGRSHSSAGVRQG	75 / 8 AA	37
Phosphosite 10:	BARHL1	Q9BZE3	S44	ELSPRSESSSDCSSP	66 / 9 AA	35
Phosphosite 11:	SLC9A5	Q14940	S855	AGRSRSESSADLPQQ	66 / 9 AA	99
Phosphosite 12:	BARHL1	Q9BZE3	S42	PLELSPRSESSSDCS	85 / 7 AA	35
Phosphosite 13:	TRAIP	Q9BWF2	S406	PKRPRSESSCSKDVV	100 / 6 AA
Phosphosite 14:	ARVCF	O00192	S915	ERRPRGASSAGEASE	75 / 8 AA	105
Phosphosite 15:	TRAIP	Q9BWF2	S404	KQPKRPRSESSCSKD	100 / 6 AA
Phosphosite 16:	FGA	P02671	S290	TESPRNPSSAGSWNS	75 / 8 AA	95
Phosphosite 17:	SAPAP3	O95886	S166	APEPRSESPSRIRHL	66 / 9 AA	106
Phosphosite 18:	MUTYH	Q9UIF7	S368	RKPPREESSATCVLE	85 / 7 AA	60
Phosphosite 19:	ZNF8	P17098	S102	HPAWEPRSESQASRK	85 / 7 AA	65
Phosphosite 20:	C2orf67	A0AUZ9	S700	KPQIRSESSAQLLQG	100 / 6 AA	112