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:	APOA4
Human P-Site:	S121
P-Site Sequence:	LPHANEVSQKIGDNL
UniProt:	P06727
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	APOA4	P06727	S121	LPHANEVSQKIGDNL	100 / 9 AA	45
Phosphosite 1:	RSPH3	Q86UC2	S392	MHKHNETSQKIAARA	75 / 8 AA	64
Phosphosite 2:	AKAP9	Q99996	S687	DGLQNEMSQKIETMQ	85 / 7 AA	454
Phosphosite 3:	DNAH7	Q8WXX0	S3183	KALANEISQKQEVAE	85 / 7 AA	461
Phosphosite 4:	RSPH3	Q86UC2	T391	IMHKHNETSQKIAAR	85 / 7 AA	64
Phosphosite 5:	RAG2	P55895	S104	KTPNNEVSDKIYVMS	85 / 7 AA	59
Phosphosite 6:	FBN1	P35555	S283	GHKLNEVSQKCEDID	85 / 7 AA	312
Phosphosite 7:	MIA3	Q5JRA6	S1099	DTHASEVSQKPNTEK	85 / 7 AA	214
Phosphosite 8:	USP44	Q9H0E7	S254	STSENEISQKVSDSS	62 / 8 AA	81
Phosphosite 9:	STIL	Q15468	S414	IPSPHPVSQKISKIQ	55 / 9 AA	143
Phosphosite 10:	ELAVL3	Q14576	S207	VKFANNPSQKTGQAL	66 / 9 AA	40
Phosphosite 11:	RBM11	P57052	S269	NNRGNECSQKFRKSK	62 / 8 AA	32
Phosphosite 12:	SPTBN4	Q9NRC6	S2227	HPRAGEVSQRLQGLR	62 / 8 AA	417
Phosphosite 13:	SNX31	Q8N9S9	S147	ERVLEVVSHKIGLCR	83 / 6 AA	51
Phosphosite 14:	PASD1	Q8IV76	Y90	DEEKDEVYQKIILKF	71 / 7 AA	87
Phosphosite 15:	RTN4IP1	Q8WWV3	S167	VVSGNEVSHKPKSLT	71 / 7 AA	44
Phosphosite 16:	C2orf56	Q7L592	S158	SVHLVEVSQKLSEIQ	71 / 7 AA	49
Phosphosite 17:	FAM105B	Q96BN8	S114	KMGYEEVSQKFTSIR	83 / 6 AA	40
Phosphosite 18:	FAM129A	Q9BZQ8	S377	EKEVNEVSQNFQTTK	62 / 8 AA	103
Phosphosite 19:	ISG15	P05161	T33	SELKAQITQKIGVHA	57 / 7 AA	18
Phosphosite 20:	Protein FAM75D1	Q6ZQQ2	S1101	HSIVDEVSQKQTVLA	83 / 6 AA	176