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:	T77
P-Site Sequence:	RFTSVADTPSQLQTS
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	T77	RFTSVADTPSQLQTS	100 / 9 AA	38
Phosphosite 1:	PCSK5	Q92824	T575	WVLEVYDTPSQLRNF	87 / 8 AA	102
Phosphosite 2:	C21orf56	Q9H0A9	S79	TSVADTPSQLQTSSL	100 / 7 AA	38
Phosphosite 3:	PCSK5	Q92824	S577	LEVYDTPSQLRNFKT	100 / 6 AA	102
Phosphosite 4:	SMCR8	Q8TEV9	T577	EEGSIENTPSQIDSS	55 / 9 AA	105
Phosphosite 5:	BIRC7	Q96CA5	T169	FVHSVQETHSQLLGS	66 / 9 AA	33
Phosphosite 6:	SETD1B	Q9UPS6	T1005	RDRDMADTPCELAKR	62 / 8 AA	209
Phosphosite 7:	NHSL2	Q5HYW2	T320	PSTSRATTPSQLSIE	77 / 9 AA	76
Phosphosite 8:	GALNT9	Q9HCQ5	T178	VHSVVNHTPSQLLKE	75 / 8 AA	68
Phosphosite 9:	FOXO3	O43524	S284	APESADDSPSQLSKW	66 / 9 AA	71
Phosphosite 10:	Cyclin K	O75909	T34	DKKDLAHTPSQLEGL	75 / 8 AA	41
Phosphosite 11:	MTCH1	Q9NZJ7	T289	VDDSVSDTPGGLGND	66 / 9 AA	42
Phosphosite 12:	Cyclin K	O75909	S36	KDLAHTPSQLEGLDP	85 / 7 AA	41
Phosphosite 13:	LASP1	Q14847	T68	SFTMVADTPENLRLK	75 / 8 AA	30
Phosphosite 14:	LRBA	P50851	T2477	QIRSFGQTPSQLLIE	66 / 9 AA	319
Phosphosite 15:	NHSL2	Q5HYW2	S322	TSRATTPSQLSIEVE	85 / 7 AA	76
Phosphosite 16:	RERE	Q9P2R6	T1123	PEPTVVDTPSHASQS	62 / 8 AA	172
Phosphosite 17:	RGS22	Q8NE09	T285	VSVSLQDTPSQALLR	75 / 8 AA	147
Phosphosite 18:	SUMO2	P61956	T72	QPINETDTPAQLEME	71 / 7 AA	11
Phosphosite 19:	SUMO3	P55854	T71	QPINETDTPAQLEME	71 / 7 AA	12
Phosphosite 20:	SMARCC1	Q92922	S564	NVLADTPSGLVPLHL	85 / 7 AA	123