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:	S816
P-Site Sequence:	QYWNPRNSSELSGLV
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	S816	QYWNPRNSSELSGLV	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	S817	YWNPRNSSELSGLVN	100 / 8 AA	119
Phosphosite 2:	EPS8L1	Q8TE68	S495	DFQARNSSELSVKQR	87 / 8 AA	80
Phosphosite 3:	EPS8L1	Q8TE68	S494	YDFQARNSSELSVKQ	87 / 8 AA	80
Phosphosite 4:	MIOX	Q9UGB7	S173	DLQDPRYSTELGMYQ	55 / 9 AA	33
Phosphosite 5:	BAZ1A	Q9NRL2	T1513	FEYNPRNTSEAKAGT	85 / 7 AA	179
Phosphosite 6:	PPM1G	O15355	T510	ICFKPRNTAELQPES	62 / 8 AA	59
Phosphosite 7:	MIOX	Q9UGB7	Y172	PDLQDPRYSTELGMY	62 / 8 AA	33
Phosphosite 8:	SCN8A	Q9UQD0	S477	GGGSPRSSSEISKLS	66 / 9 AA	225
Phosphosite 9:	Eps8	Q12929	S548	DFVARNNSELSVLKD	75 / 8 AA	92
Phosphosite 10:	EEPD1	Q7L9B9	S16	RSIPRDPSDLSHSRK	62 / 8 AA	62
Phosphosite 11:	SCN8A	Q9UQD0	S478	GGSPRSSSEISKLSS	75 / 8 AA	225
Phosphosite 12:	POLE	Q07864	S2080	KVTGSRNSTELSEMF	75 / 8 AA	262
Phosphosite 13:	MEF2C	Q06413	S222	GYGNPRNSPGLLVSP	75 / 8 AA	51
Phosphosite 14:	POLE	Q07864	T2081	VTGSRNSTELSEMFP	75 / 8 AA	262
Phosphosite 15:	ICK	Q9UPZ9	S521	IPPNPWSSSGLSGKS	66 / 9 AA	71
Phosphosite 16:	IL17B	Q9UHF5	S77	VAQLRNSSELAQRKC	85 / 7 AA	20
Phosphosite 17:	IL17B	Q9UHF5	S76	MVAQLRNSSELAQRK	85 / 7 AA	20
Phosphosite 18:	p67phox	P19878	S399	LSYRPRDSNELVPLS	71 / 7 AA	60
Phosphosite 19:	DOCK5	Q9H7D0	S1834	YEGSQRNSTELAPPL	62 / 8 AA	215
Phosphosite 20:	DOCK5	Q9H7D0	T1835	EGSQRNSTELAPPLP	71 / 7 AA	215