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:	S820
P-Site Sequence:	PRNSSELSGLVNTIS
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	S820	PRNSSELSGLVNTIS	100 / 9 AA	119
Phosphosite 1:	TSFM	P43897	S170	FLNSSELSGLPAGPD	100 / 7 AA	35
Phosphosite 2:	RFX7	Q2KHR2	S1294	IRLSSELSGSINDLN	77 / 9 AA	147
Phosphosite 3:	BTBD12	Q8IY92	S771	PGLSSELSSLAHRFG	66 / 9 AA	200
Phosphosite 4:	SIK	P57059	S370	RPRSSDLSGLEVPQE	85 / 7 AA	85
Phosphosite 5:	SETD2	Q9BYW2	S708	SVTGSELSPLVKACM	75 / 8 AA	288
Phosphosite 6:	NHEJ1	Q9H9Q4	S113	LRVRSELSGLPFYWN	100 / 6 AA	33
Phosphosite 7:	GFRA4	Q9GZZ7	S164	QASPPGLSGLVHPSA	55 / 9 AA	32
Phosphosite 8:	ABHD8	Q96I13	S73	DAAQGDLSGLVRCQR	71 / 7 AA	47
Phosphosite 9:	WDR42A	Q5TAQ9	T516	AEASTELTGLKDVIK	71 / 7 AA	67
Phosphosite 10:	PPFIBP2	Q8ND30	T304	DRRIEELTGLLNQYR	71 / 7 AA	98
Phosphosite 11:	SUGT1	Q9Y2Z0	S207	EFSEKELSALVKLPS	71 / 7 AA	41
Phosphosite 12:	ANKRD33	Q7Z3H0	S142	KPEWPALSGLVAQAQ	62 / 8 AA	29
Phosphosite 13:	C4orf21	Q86YA3	S817	YWNPRNSSELSGLVN	100 / 6 AA	119
Phosphosite 14:	RFX7	Q2KHR2	S1291	SSDIRLSSELSGSIN	100 / 6 AA	147
Phosphosite 15:	TRIM33	Q9UPN9	S856	CKQSGLSSLVNGKSP	75 / 8 AA	123
Phosphosite 16:	TENC1	Q63HR2	S906	CSASSELSGPSTPLH	100 / 6 AA	153
Phosphosite 17:	TSFM	P43897	S167	SKGFLNSSELSGLPA	100 / 6 AA	35
Phosphosite 18:	PPP1R9A	Q9ULJ8	S938	STSSADLSGLGAEPK	71 / 7 AA	123
Phosphosite 19:	GALNT12	Q8IXK2	S192	ERLANELSGLPKVRL	55 / 9 AA	67
Phosphosite 20:	TENC1	Q63HR2	S903	DAPCSASSELSGPST	100 / 6 AA	153