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:	C4orf21
Human P-Site:	Y673
P-Site Sequence:	IQEVRINYDFALPPN
UniProt:	Q86YA3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4orf21	Q86YA3	Y673	IQEVRINYDFALPPN	100 / 9 AA	119
Phosphosite 1:	UBCE7IP1	Q9NWF9	Y841	LPNVRVNYDFGPIHM	75 / 8 AA	99
Phosphosite 2:	SEL1L	Q9UBV2	Y467	GRGVQVNYDLALKYF	66 / 9 AA	89
Phosphosite 3:	NUP210L	Q5VU65	Y401	SDNLRITYDFPKEYF	62 / 8 AA	211
Phosphosite 4:	NUP210L	Q5VU65	T400	ISDNLRITYDFPKEY	62 / 8 AA	211
Phosphosite 5:	GPR87	Q9BY21	Y352	RRSEVRIYYDYTDV_	62 / 8 AA	41
Phosphosite 6:	GPR87	Q9BY21	Y353	RSEVRIYYDYTDV__	62 / 8 AA	41
Phosphosite 7:	SPP2	Q13103	T208	RHRARINTDFE____	62 / 8 AA	24
Phosphosite 8:	RalGDS	Q12967	Y876	AMNSTANYDFVLKKR	83 / 6 AA	101
Phosphosite 9:	SNX9	Q9Y5X1	Y9	ATKARVMYDFAAEPG	71 / 7 AA	67
Phosphosite 10:	WDR52	Q96MT7	Y497	LDCSVRIYDFASKTP	87 / 8 AA	112
Phosphosite 11:	PRSS23	O95084	Y247	DIGMDYDYALLELKK	57 / 7 AA	43
Phosphosite 12:	PAN2	Q504Q3	Y699	SDKTGKNYDFAQVLK	83 / 6 AA	135
Phosphosite 13:	SFRS14	Q8IX01	Y985	HEPVRIAYDRPRGRP	83 / 6 AA	120
Phosphosite 14:	SLIT1	O75093	Y1225	QGHVRVSYDPGSYPS	66 / 6 AA	168
Phosphosite 15:	SMEK1	Q6IN85	Y78	VWSEAENYDLALSFQ	83 / 6 AA	95
Phosphosite 16:	SMEK2	Q5MIZ7	Y78	VWSEAENYDLALSFQ	83 / 6 AA	97
Phosphosite 17:	MAN2B2	Q9Y2E5	Y178	HLGSRIDYDLKAAMQ	66 / 6 AA	114
Phosphosite 18:	SLIT1	O75093	S1224	YQGHVRVSYDPGSYP	66 / 6 AA	168
Phosphosite 19:	PRSS35	Q8N3Z0	Y277	DATLDYDYALLELKR	57 / 7 AA	47
Phosphosite 20:	PKDREJ	Q9NTG1	T224	IQRVRINTDQKGAPV	83 / 6 AA	255