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:	T419
P-Site Sequence:	EILLDRITPYLLHFS
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	T419	EILLDRITPYLLHFS	100 / 9 AA	153
Phosphosite 1:	PIK3R4	Q99570	Y421	LLDRITPYLLHFSND	100 / 7 AA	153
Phosphosite 2:	CARD9	Q9H257	Y33	DPSRITPYLRQCKVL	100 / 6 AA	62
Phosphosite 3:	CARD9	Q9H257	T31	VIDPSRITPYLRQCK	85 / 7 AA	62
Phosphosite 4:	FMO4	P31512	S549	DKLQDRMSPYLVSLW	62 / 8 AA	63
Phosphosite 5:	DRD5	P21918	T469	EISLDKITPFTPNGF	71 / 7 AA	53
Phosphosite 6:	POLR3A	O14802	T1007	LYQLDRITPTQVEKF	66 / 9 AA	156
Phosphosite 7:	PHYHIPL	Q96FC7	T81	SKSKDRITHYFIDLN	62 / 8 AA	42
Phosphosite 8:	TTN	Q8WZ42	T29505	HDGGSRITGYLLEMR	85 / 7 AA	3816
Phosphosite 9:	TTN	Q8WZ42	Y29507	GGSRITGYLLEMRQK	85 / 7 AA	3816
Phosphosite 10:	SLC19A1	P41440	T49	RPGESFITPYLLGPD	100 / 6 AA	65
Phosphosite 11:	ZNF592	Q92610	T87	EAEKDHITPSLLHNG	75 / 8 AA	138
Phosphosite 12:	SLC19A1	P41440	Y51	GESFITPYLLGPDKN	100 / 6 AA	65
Phosphosite 13:	RBM8A	Q9Y5S9	T110	HLNLDRRTGYLKGYT	75 / 8 AA	20
Phosphosite 14:	PABPC3	Q9H361	T289	QMKQDRITRYQVVNL	55 / 9 AA	70
Phosphosite 15:	PRMT10	Q6P2P2	T763	LLRLDLMTPYLNTSN	75 / 8 AA	95
Phosphosite 16:	IMMT	Q16891	T377	KRELDSITPEVLPGW	66 / 9 AA	84
Phosphosite 17:	HTRA3	P83110	T338	AIPSDRITRFLTEFQ	71 / 7 AA	49
Phosphosite 18:	Per2	O15055	Y294	HPFRMTPYLVKVRDQ	71 / 7 AA	137
Phosphosite 19:	PABPC1	P11940	T289	QMKQDRITRYQGVNL	62 / 8 AA	71
Phosphosite 20:	C1orf177	Q3ZCV2	T399	MLMQERITPFTKGKC	57 / 7 AA	48