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:	S546
P-Site Sequence:	QKVVTLLSDPENIVK
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	S546	QKVVTLLSDPENIVK	100 / 9 AA	153
Phosphosite 1:	ITIH4	Q14624	S761	QGPVNLLSDPEQGVE	87 / 8 AA	103
Phosphosite 2:	SORCS3	Q9UPU3	S270	KRKIMLLSDPEMESS	75 / 8 AA	136
Phosphosite 3:	CHKB	Q9Y259	S252	EGNILLLSEPENADS	66 / 9 AA	45
Phosphosite 4:	NOC3L	Q8WTT2	S227	ALASAILSDPENNIK	75 / 8 AA	93
Phosphosite 5:	KIAA1468	Q9P260	S1013	PALVTLSSDPEFSVR	87 / 8 AA	135
Phosphosite 6:	MBLAC2	Q68D91	S121	FETVTWLSDSEVVRA	75 / 8 AA	31
Phosphosite 7:	DDIT4	Q9NX09	S85	LPDFELLSDPEDEHL	85 / 7 AA	25
Phosphosite 8:	MRTO4	Q9UKD2	S171	RGVVTLLSDYEVCKE	87 / 8 AA	28
Phosphosite 9:	NBR1	Q14596	S21	EIQSFLVSDPENTTW	85 / 7 AA	107
Phosphosite 10:	DUS2L	Q9NX74	S132	GMGAALLSDPDKIEK	55 / 9 AA	55
Phosphosite 11:	ZNF839	A8K0R7	S294	DVEETLPSEPENGAL	75 / 8 AA	87
Phosphosite 12:	SORCS1	Q8WY21	T247	KRKIMLLTDPEIESS	62 / 8 AA	130
Phosphosite 13:	Tnk1	Q13470	S587	ALSGGLLSDPELQRK	100 / 6 AA	72
Phosphosite 14:	SLMAP	Q14BN4	S741	ADLKTLLSKAENQAK	75 / 8 AA	95
Phosphosite 15:	C21orf87	P59051	S116	VREMTLPSDPERATL	75 / 8 AA	16
Phosphosite 16:	ATAD5	Q96QE3	S356	FEMENSLSDPENEQT	100 / 6 AA	208
Phosphosite 17:	STI1	P31948	S148	PRTRTLLSDPTYREL	100 / 6 AA	63
Phosphosite 18:	SCN5A	Q14524	S309	ESLDLYLSDPENYLL	100 / 6 AA	227
Phosphosite 19:	BICC1	Q9H694	S679	HSTDRLLSDPELSAT	100 / 6 AA	105
Phosphosite 20:	FRAS1	Q86XX4	S3975	VRNVNILSEPEAAYT	62 / 8 AA	443