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:	S733
P-Site Sequence:	HVLPSTSSSDNSVQL
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	S733	HVLPSTSSSDNSVQL	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	S732	EHVLPSTSSSDNSVQ	100 / 8 AA	119
Phosphosite 2:	C4orf21	Q86YA3	S734	VLPSTSSSDNSVQLL	100 / 8 AA	119
Phosphosite 3:	Bright	Q99856	T587	LSTPSTSTSNNSLP_	77 / 9 AA	63
Phosphosite 4:	C4orf21	Q86YA3	T731	DEHVLPSTSSSDNSV	100 / 7 AA	119
Phosphosite 5:	ARHGAP24	Q8N264	S626	RSSRATSSSDNSETF	77 / 9 AA	84
Phosphosite 6:	MAP3K1	Q13233	S431	SSTSTSSSENSIKDE	87 / 8 AA	164
Phosphosite 7:	ARHGAP24	Q8N264	S627	SSRATSSSDNSETFV	100 / 7 AA	84
Phosphosite 8:	TAF3	Q5VWG9	S459	PLSGGTSSSDNSWTM	100 / 7 AA	104
Phosphosite 9:	TAF3	Q5VWG9	S460	LSGGTSSSDNSWTMD	100 / 7 AA	104
Phosphosite 10:	MAP3K1	Q13233	S430	SSSTSTSSSENSIkD	87 / 8 AA	164
Phosphosite 11:	Bright	Q99856	S586	GLSTPSTSTSNNSLP	75 / 8 AA	63
Phosphosite 12:	SHANK2	Q9UPX8	S664	VKEPSTSSSGKSSQG	77 / 9 AA	159
Phosphosite 13:	RBMS1	P29558	S43	PPSPSTTSSNNNSSS	75 / 8 AA	45
Phosphosite 14:	RBMS1	P29558	T42	APPSPSTTSSNNNSS	75 / 8 AA	45
Phosphosite 15:	CHFR	Q96EP1	S180	EEPQPSTSTSDLFPT	85 / 7 AA	73
Phosphosite 16:	HOXA11	P31270	T189	AATGAPATSSSDSGG	85 / 7 AA	34
Phosphosite 17:	UHRF2	Q96PU4	S196	LDSVPSTSNSDCVAA	85 / 7 AA	90
Phosphosite 18:	HOXA11	P31270	S190	ATGAPATSSSDSGGG	85 / 7 AA	34
Phosphosite 19:	HOXA11	P31270	S191	TGAPATSSSDSGGGG	85 / 7 AA	34
Phosphosite 20:	UHRF2	Q96PU4	T195	KLDSVPSTSNSDCVA	85 / 7 AA	90