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:	S152
P-Site Sequence:	KTGPTIFSPFCSMPP
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	S152	KTGPTIFSPFCSMPP	100 / 9 AA	119
Phosphosite 1:	TLN2	Q9Y4G6	S731	KVVSPTISSPVCQEQ	75 / 8 AA	272
Phosphosite 2:	TBC1D30	Q9Y2I9	S873	NSKTPIFSPFPSVKP	85 / 7 AA	103
Phosphosite 3:	CNGA3	Q16281	S504	KLRPTVFSPGDYICK	83 / 6 AA	79
Phosphosite 4:	PHIP	Q8WWQ0	S276	SITSLQFSPLCSGSK	83 / 6 AA	207
Phosphosite 5:	MED12	Q93074	S994	NKFGELFSDFCSKVK	71 / 7 AA	243
Phosphosite 6:	AOC2	O75106	S712	NFFDEDPSIFSPGSV	83 / 6 AA	84
Phosphosite 7:	Wnk4	Q96J92	S893	TTSPPTFSPTCSQVT	66 / 9 AA	135
Phosphosite 8:	AOC2	O75106	S715	DEDPSIFSPGSVYFE	83 / 6 AA	84
Phosphosite 9:	MKI67	P46013	T2233	PDPVGTPTIFKPQSK	83 / 6 AA	359
Phosphosite 10:	PAX4	O43316	T175	GTGHRNRTIFSPSQA	83 / 6 AA	38
Phosphosite 11:	TRAF2	Q12933	S378	GRIPAIFSPAFYTSR	83 / 6 AA	56
Phosphosite 12:	ZNF341	Q9BYN7	S265	YPTPTVYSPGKQGFK	66 / 6 AA	93
Phosphosite 13:	ZNF341	Q9BYN7	Y264	VYPTPTVYSPGKQGF	66 / 6 AA	93
Phosphosite 14:	PAX4	O43316	S178	HRNRTIFSPSQAEAL	83 / 6 AA	38
Phosphosite 15:	FAM100B	Q8IYN6	S110	CSPPANFSPFWASSP	71 / 7 AA	18
Phosphosite 16:	PSMA4	P25789	S13	DSRTTIFSPEGRLYQ	100 / 5 AA	29
Phosphosite 17:	KIAA0664	O75153	S723	RFNPDIFSPGVRFPE	83 / 6 AA	147
Phosphosite 18:	PSMA6	P60900	T14	AGFDRHITIFSPEGR	100 / 5 AA	27
Phosphosite 19:	PSMA6	P60900	S17	DRHITIFSPEGRLYQ	100 / 5 AA	27
Phosphosite 20:	PSMA4	P25789	T10	RRYDSRTTIFSPEGR	100 / 5 AA	29