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:	T181
P-Site Sequence:	ADPENIVTYKNRERN
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	T181	ADPENIVTYKNRERN	100 / 9 AA	119
Phosphosite 1:	SERHL	Q9NQF3	T148	DEMENLLTYKRRAIE	66 / 9 AA	22
Phosphosite 2:	SERHL2	Q9H4I8	T148	DEMENLLTYKRRAIE	66 / 9 AA	35
Phosphosite 3:	MICAL2	O94851	Y291	IDLENIVYYKDCTHY	66 / 9 AA	127
Phosphosite 4:	MICAL1	Q8TDZ2	Y286	IDLENIVYYKDDTHY	75 / 8 AA	118
Phosphosite 5:	MICAL3	Q7RTP6	Y291	IDLENIVYYKDDTHY	75 / 8 AA	110
Phosphosite 6:	NEK4	P51957	Y68	KHPNIVTYKESWEGG	100 / 6 AA	95
Phosphosite 7:	CDH9	Q9ULB4	T658	DVRDNIVTYNDEGGG	62 / 8 AA	89
Phosphosite 8:	CDH24	Q86UP0	T684	DVRENIITYDDEGGG	62 / 8 AA	88
Phosphosite 9:	CDH11	P55287	T662	DVRENIITYDDEGGG	62 / 8 AA	88
Phosphosite 10:	CDH18	Q13634	T657	DVRENVVTYDDEGGG	62 / 8 AA	88
Phosphosite 11:	TMEM217	Q8N7C4	Y154	INYAHITYKNRSQGN	83 / 6 AA	27
Phosphosite 12:	TMEM217	Q8N7C4	S164	RSQGNIISYKRRIST	55 / 9 AA	27
Phosphosite 13:	LPPR4	Q7Z2D5	T412	MGKENMVTFSNTLPR	62 / 8 AA	88
Phosphosite 14:	CDH9	Q9ULB4	Y659	VRDNIVTYNDEGGGE	71 / 7 AA	89
Phosphosite 15:	CHURC1	Q8WUH1	T56	EDGEEIVTYDHLCKN	62 / 8 AA	13
Phosphosite 16:	ITGB6	P18564	Y774	STFKNVTYKHREKQK	83 / 6 AA	86
Phosphosite 17:	TMEM217	Q8N7C4	Y165	SQGNIISYKRRISTA	62 / 8 AA	27
Phosphosite 18:	HECW1	Q76N89	Y128	LSENFLDYKNRGVNG	62 / 8 AA	180
Phosphosite 19:	PHLDA1	Q8WV24	Y283	ITLQMVQYKNRQAIL	71 / 7 AA	45
Phosphosite 20:	PTPN4	P29074	Y244	MSGGILIYKNRVRMN	62 / 8 AA	106