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:	S166
P-Site Sequence:	KKVCFSESSLPTGDR
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	S166	KKVCFSESSLPTGDR	100 / 9 AA	38
Phosphosite 1:	C21orf56	Q9H0A9	S167	KVCFSESSLPTGDRT	100 / 8 AA	38
Phosphosite 2:	C21orf56	Q9H0A9	S164	RPKKVCFSESSLPTG	100 / 7 AA	38
Phosphosite 3:	CREBBP	Q92793	S549	PPNLISESALPTSLG	75 / 8 AA	265
Phosphosite 4:	WDR70	Q9NW82	S418	NKPLFSASGLPTMFP	75 / 8 AA	73
Phosphosite 5:	SERPINI2	O75830	S228	RTKYGYFSESSLNYQ	85 / 7 AA	46
Phosphosite 6:	C14orf43	Q6PJG2	S510	GVEFSEPSLATKRAR	75 / 8 AA	115
Phosphosite 7:	RNF121	Q9H920	S214	TIGFYSESGMPTKHL	62 / 8 AA	38
Phosphosite 8:	ZNF672	Q499Z4	S267	CGRCFSESSTLLRHR	100 / 6 AA	50
Phosphosite 9:	ZNF672	Q499Z4	S265	GDCGRCFSESSTLLR	100 / 6 AA	50
Phosphosite 10:	PI5PA	Q15735	S810	QVTFSEESLPKGHGD	75 / 8 AA	107
Phosphosite 11:	UTY	O14607	S480	HNGAITDSSLPTNSV	62 / 8 AA	150
Phosphosite 12:	UTY	O14607	S481	NGAITDSSLPTNSVS	62 / 8 AA	150
Phosphosite 13:	ARID2	Q68CP9	S1302	NGRKYSDSSLPPSNS	71 / 7 AA	197
Phosphosite 14:	C4orf47	A7E2U8	S213	NPYFSEESLPPIKKE	85 / 7 AA	34
Phosphosite 15:	ARID2	Q68CP9	S1303	GRKYSDSSLPPSNSG	71 / 7 AA	197
Phosphosite 16:	PRAM1	Q96QH2	S440	PSSASESSLPAAVAG	85 / 7 AA	79
Phosphosite 17:	SERPINI2	O75830	S231	YGYFSESSLNYQVLE	100 / 6 AA	46
Phosphosite 18:	Tyk2	P29597	S47	GEPWVTFSESSLTAE	100 / 6 AA	134
Phosphosite 19:	ZNF227	Q86WZ6	S281	GEKCFSQSSHLRTHQ	83 / 6 AA	92
Phosphosite 20:	ZNF22	P17026	S149	DECGRCFSQSSHLIQ	83 / 6 AA	26