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:	Y421
P-Site Sequence:	LLDRITPYLLHFSND
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	Y421	LLDRITPYLLHFSND	100 / 9 AA	153
Phosphosite 1:	PIK3R4	Q99570	T419	EILLDRITPYLLHFS	100 / 7 AA	153
Phosphosite 2:	NckIPSD	Q9NZQ3	Y673	AIVRTTPYLQHRHRL	75 / 8 AA	79
Phosphosite 3:	CARD9	Q9H257	Y33	DPSRITPYLRQCKVL	75 / 8 AA	62
Phosphosite 4:	CARD9	Q9H257	T31	VIDPSRITPYLRQCK	100 / 6 AA	62
Phosphosite 5:	TTN	Q8WZ42	Y29507	GGSRITGYLLEMRQK	66 / 9 AA	3816
Phosphosite 6:	TTN	Q8WZ42	T29505	HDGGSRITGYLLEMR	85 / 7 AA	3816
Phosphosite 7:	SLC19A1	P41440	T49	RPGESFITPYLLGPD	100 / 6 AA	65
Phosphosite 8:	SLC19A1	P41440	Y51	GESFITPYLLGPDKN	100 / 6 AA	65
Phosphosite 9:	ZNF592	Q92610	S89	EKDHITPSLLHNGFR	75 / 8 AA	138
Phosphosite 10:	MSL3L1	Q8N5Y2	Y52	KGRKIPEYLIHFNGW	55 / 9 AA	60
Phosphosite 11:	Per2	O15055	Y294	HPFRMTPYLVKVRDQ	71 / 7 AA	137
Phosphosite 12:	KIF1A	Q12756	T1180	IQRRITVTLLHETGS	75 / 8 AA	191
Phosphosite 13:	SLC44A4	Q53GD3	Y85	GENKDKPYLLYFNIF	55 / 9 AA	79
Phosphosite 14:	Per2	O15055	T292	RYHPFRMTPYLVKVR	71 / 7 AA	137
Phosphosite 15:	ATOH1	Q92858	Y80	CTARAAQYLLHSPEL	62 / 8 AA	38
Phosphosite 16:	MYO3B	Q8WXR4	Y514	MGARISEYLLEKSRV	62 / 8 AA	152
Phosphosite 17:	MDN1	Q9NU22	Y2016	RLFRITPYDVQLGYS	55 / 9 AA	633
Phosphosite 18:	RP1	P56715	Y1958	LWMKIHPYLLQTDKN	62 / 8 AA	241
Phosphosite 19:	C1orf151	Q5TGZ0	Y66	QHDFQAPYLLHGKYV	83 / 6 AA	9
Phosphosite 20:	TDRD7	Q8NHU6	Y161	PDAEMSPYMLHTTLG	57 / 7 AA	124