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:	C21orf74
Human P-Site:	S46
P-Site Sequence:	ACFSFHSSYERIGPD
UniProt:	Q8TCZ7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C21orf74	Q8TCZ7	S46	ACFSFHSSYERIGPD	100 / 9 AA	6
Phosphosite 1:	C21orf74	Q8TCZ7	Y47	CFSFHSSYERIGPDA	100 / 8 AA	6
Phosphosite 2:	PAP21	Q9BSG0	Y60	GGIFHTRYEQIHLVP	62 / 8 AA	21
Phosphosite 3:	CDK13	Q14004	S375	PSYSRHSSYERGGDV	87 / 8 AA	165
Phosphosite 4:	MPHOSPH1	Q96Q89	S1056	RENSFHSSIEAIWEE	77 / 9 AA	211
Phosphosite 5:	CDK13	Q14004	Y376	SYSRHSSYERGGDVS	100 / 6 AA	165
Phosphosite 6:	CDK13	Q14004	S374	SPSYSRHSSYERGGD	87 / 8 AA	165
Phosphosite 7:	NKTR	P30414	S629	GQKPWKPSYERIQEM	55 / 9 AA	166
Phosphosite 8:	DCLRE1C	Q96SD1	S321	ACFSFHSSYSEIKDF	77 / 9 AA	78
Phosphosite 9:	PIP5K2A	P48426	T136	RSGARFHTSYDKRYI	57 / 7 AA	46
Phosphosite 10:	SBF1	O95248	Y1529	TFLLDSDYERIELGL	62 / 8 AA	208
Phosphosite 11:	NKTR	P30414	Y630	QKPWKPSYERIQEMK	62 / 8 AA	166
Phosphosite 12:	ZNF441	Q8N8Z8	S561	GKAFSHSSYLRIHER	85 / 7 AA	72
Phosphosite 13:	PIP5K2A	P48426	S137	SGARFHTSYDKRYII	57 / 7 AA	46
Phosphosite 14:	THOC2	Q8NI27	Y899	LAVPHTSYEREVNKL	83 / 6 AA	183
Phosphosite 15:	THOC2	Q8NI27	S898	DLAVPHTSYEREVNK	83 / 6 AA	183
Phosphosite 16:	PIP5K2A	P48426	Y138	GARFHTSYDKRYIIK	57 / 7 AA	46
Phosphosite 17:	ZNF441	Q8N8Z8	Y562	KAFSHSSYLRIHERV	85 / 7 AA	72
Phosphosite 18:	CSMD2	Q7Z408	T130	SAQGFHATYEVLPSH	44 / 9 AA	380
Phosphosite 19:	WDR62	O43379	Y406	SELFHSSYVWNVEVY	71 / 7 AA	166
Phosphosite 20:	RNASEN	Q9NRR4	S280	RTPSRHRSYERSRER	75 / 8 AA	159