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:	T542
P-Site Sequence:	NNFETSDTEEESQES
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	T542	NNFETSDTEEESQES	100 / 9 AA	119
Phosphosite 1:	RSRC1	Q96IZ7	T8	MGRRSSDTEEESRSK	87 / 8 AA	39
Phosphosite 2:	C21orf37	A6NIU2	T62	WVVETTDTEDEREKK	66 / 9 AA	8
Phosphosite 3:	MIER2	Q8N344	T183	GSSASSDTEEDSLPA	75 / 8 AA	60
Phosphosite 4:	CACNA1F	O60840	T1639	RQALTCDTEEEEEEG	85 / 7 AA	221
Phosphosite 5:	RTF1	Q92541	S60	SDSETSDSDDEWTFG	55 / 9 AA	77
Phosphosite 6:	HERC2P3	Q9BVR0	T672	PSAEDSDTEDDSEAE	66 / 9 AA	129
Phosphosite 7:	HERC2	O95714	T1944	PSAEDSDTEDDSEAE	66 / 9 AA	527
Phosphosite 8:	USP47	Q96K76	T1008	GKKETWDTAEEDSGT	75 / 8 AA	157
Phosphosite 9:	TTLL4	Q14679	T511	DQAETEDTEEELVDG	87 / 8 AA	133
Phosphosite 10:	ZFP106	Q9H2Y7	T597	SDGETSDTEKHGTKI	100 / 6 AA	209
Phosphosite 11:	BRD2	P25440	S512	EESESSDSEEERAHR	75 / 8 AA	88
Phosphosite 12:	FER1L6	Q2WGJ9	T222	TSPKTSDTEEPIEKN	100 / 6 AA	209
Phosphosite 13:	NIPBL	Q6KC79	S2493	KENESSDSEEEVSRP	75 / 8 AA	316
Phosphosite 14:	FER1L6	Q2WGJ9	S220	LKTSPKTSDTEEPIE	100 / 6 AA	209
Phosphosite 15:	PSIP1	O75475	S275	GVTSTSDSEEEGDDQ	75 / 8 AA	60
Phosphosite 16:	SETD2	Q9BYW2	S461	RARESSDSEEEYKKT	75 / 8 AA	288
Phosphosite 17:	UBE3C	Q15386	S368	CHDSASDSEEESEEA	75 / 8 AA	124
Phosphosite 18:	VEZT	Q9HBM0	T644	GKVSKNDTEEESNKS	85 / 7 AA	89
Phosphosite 19:	NARG2	Q659A1	T573	TVLCSSDTDEECLII	62 / 8 AA	110
Phosphosite 20:	IRF3	Q14653	T135	GGGSTSDTQEDILDE	71 / 7 AA	47