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:	S1289
P-Site Sequence:	STSSPSVSYYRKIIE
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	S1289	STSSPSVSYYRKIIE	100 / 9 AA	153
Phosphosite 1:	PIK3R4	Q99570	Y1290	TSSPSVSYYRKIIEG	100 / 8 AA	153
Phosphosite 2:	PIK3R4	Q99570	Y1291	SSPSVSYYRKIIEGT	100 / 7 AA	153
Phosphosite 3:	PIK3R4	Q99570	S1287	AGSTSSPSVSYYRKI	100 / 7 AA	153
Phosphosite 4:	FN1	P02751	T972	TGLSPGVTYYFKVFA	66 / 9 AA	263
Phosphosite 5:	TBX21	Q9UL17	S418	SAPGPTMSYYRGQEV	62 / 8 AA	58
Phosphosite 6:	TBX21	Q9UL17	Y419	APGPTMSYYRGQEVL	71 / 7 AA	58
Phosphosite 7:	SR140	O15042	Y614	AKVANASYYRKFFET	62 / 8 AA	118
Phosphosite 8:	CEACAM5	P06731	Y424	DPTISPSYTYYRPGV	75 / 8 AA	77
Phosphosite 9:	SR140	O15042	S613	SAKVANASYYRKFFE	62 / 8 AA	118
Phosphosite 10:	CEACAM5	P06731	T425	PTISPSYTYYRPGVN	75 / 8 AA	77
Phosphosite 11:	FAM70A	Q5JRV8	T266	SVENTHPTVSYYAHP	83 / 6 AA	38
Phosphosite 12:	SR140	O15042	Y615	KVANASYYRKFFETK	71 / 7 AA	118
Phosphosite 13:	C6orf138	Q6ZW05	S486	ASDSPSVSYAMVQQK	100 / 6 AA	96
Phosphosite 14:	ALK	Q9UM73	Y1283	DIYRASYYRKGGCAM	83 / 6 AA	176
Phosphosite 15:	RNASET2	O00584	Y162	GIKPSINYYQVADFK	57 / 7 AA	29
Phosphosite 16:	TRPV3	Q8NET8	Y460	ITLTLVSYYRPREEE	100 / 5 AA	91
Phosphosite 17:	TIGD1	Q96MW7	S549	MRKASPMSYFRKLPQ	66 / 6 AA	67
Phosphosite 18:	TIGD1	Q96MW7	Y550	RKASPMSYFRKLPQP	66 / 6 AA	67
Phosphosite 19:	SULT1B1	O43704	Y141	KDVSVSYYHFDLMNN	83 / 6 AA	35
Phosphosite 20:	FAM59A	Q9H706	T567	QTRSPSPTLSYYSSG	71 / 7 AA	97