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:	C21orf56
Human P-Site:	S164
P-Site Sequence:	RPKKVCFSESSLPTG
UniProt:	Q9H0A9
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C21orf56	Q9H0A9	S164	RPKKVCFSESSLPTG	100 / 9 AA	38
Phosphosite 1:	C21orf56	Q9H0A9	S166	KKVCFSESSLPTGDR	100 / 7 AA	38
Phosphosite 2:	Tyk2	P29597	S47	GEPWVTFSESSLTAE	87 / 8 AA	134
Phosphosite 3:	SERPINI2	O75830	S228	RTKYGYFSESSLNYQ	85 / 7 AA	46
Phosphosite 4:	ZNF672	Q499Z4	S265	GDCGRCFSESSTLLR	100 / 6 AA	50
Phosphosite 5:	ZNF672	Q499Z4	S267	CGRCFSESSTLLRHR	100 / 6 AA	50
Phosphosite 6:	CLCN6	P51797	S761	LVRGVCYSESQSSAS	83 / 6 AA	97
Phosphosite 7:	CCDC158	Q5M9N0	T946	DRVRDCITESSLRSD	55 / 9 AA	127
Phosphosite 8:	C4orf21	Q86YA3	S1023	EDFMVEFSETSLKAR	66 / 9 AA	119
Phosphosite 9:	YSK4	Q56UN5	S1049	SNEKKIFSENSLKSE	66 / 9 AA	151
Phosphosite 10:	C21orf56	Q9H0A9	S167	KVCFSESSLPTGDRT	100 / 6 AA	38
Phosphosite 11:	CCDC158	Q5M9N0	S948	VRDCITESSLRSDMC	71 / 7 AA	127
Phosphosite 12:	SERPINI2	O75830	S231	YGYFSESSLNYQVLE	100 / 6 AA	46
Phosphosite 13:	FANCB	Q8NB91	S403	TGLKVCFSSFRELRQ	100 / 5 AA	98
Phosphosite 14:	ZNF227	Q86WZ6	S281	GEKCFSQSSHLRTHQ	83 / 6 AA	92
Phosphosite 15:	ZNF22	P17026	S149	DECGRCFSQSSHLIQ	83 / 6 AA	26
Phosphosite 16:	GH2	P01242	S81	PQTSLCFSESIPTPS	83 / 6 AA	25
Phosphosite 17:	GH	P01241	S81	PQTSLCFSESIPTPS	83 / 6 AA	25
Phosphosite 18:	ZNF22	P17026	S177	SECGKCFSQSSHLRQ	83 / 6 AA	26
Phosphosite 19:	GH2	P01242	S83	TSLCFSESIPTPSNR	100 / 5 AA	25
Phosphosite 20:	GH	P01241	S83	TSLCFSESIPTPSNR	100 / 5 AA	25