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:	TNFRSF21
Human P-Site:	S521
P-Site Sequence:	SPSPLSPSPIPSPNA
UniProt:	O75509
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TNFRSF21	O75509	S521	SPSPLSPSPIPSPNA	100 / 9 AA	72
Phosphosite 1:	TNFRSF21	O75509	S519	PMSPSPLSPSPIPSP	100 / 7 AA	72
Phosphosite 2:	FAM122A	Q96E09	S173	SSNGLPPSPIPSPTT	87 / 8 AA	31
Phosphosite 3:	KCNH4	Q9UQ05	S992	EPDPLGPSPVPEASP	75 / 8 AA	112
Phosphosite 4:	MEF2B	Q02080	S300	PATFLRPSPIPCSSP	75 / 8 AA	39
Phosphosite 5:	TNS1	Q9HBL0	T688	SPQPLAETPIPSLPE	66 / 9 AA	186
Phosphosite 6:	FAM22G	Q5VZR2	S642	RPWRLSQSPVPSSGL	75 / 8 AA	79
Phosphosite 7:	FAM22F	A1L443	S657	RPWRLSQSPVPSSGL	75 / 8 AA	81
Phosphosite 8:	ARID3C	A6NKF2	S284	ACAQLSPSPIKKEES	85 / 7 AA	44
Phosphosite 9:	KIF24	Q5T7B8	S1133	DLPALSPSPIRQHPA	85 / 7 AA	152
Phosphosite 10:	ROBO3	Q96MS0	S1218	ASPHLSPSPAPSTAS	87 / 8 AA	148
Phosphosite 11:	RNF212	Q495C1	S166	MEVDLSPSPIRKSEI	100 / 6 AA	33
Phosphosite 12:	RNF212	Q495C1	S164	ESMEVDLSPSPIRKS	100 / 6 AA	33
Phosphosite 13:	CYTSA	Q69YQ0	S870	PRTPLSPSPMKTPPA	85 / 7 AA	125
Phosphosite 14:	ARID3C	A6NKF2	S282	AHACAQLSPSPIKKE	85 / 7 AA	44
Phosphosite 15:	CYTSA	Q69YQ0	S868	AIPRTPLSPSPMKTP	85 / 7 AA	125
Phosphosite 16:	Gab2	Q9UQC2	S594	MQNPVSASPVPSGTN	66 / 9 AA	74
Phosphosite 17:	PKMYT1	Q99640	T24	TPPPLSGTPIPVPAY	75 / 8 AA	55
Phosphosite 18:	DISP2	A7MBM2	S127	HGSSLSPSPAPSQRD	87 / 8 AA	152
Phosphosite 19:	HSPA12A	O43301	S37	DTGITPLSPSHIVND	85 / 7 AA	75
Phosphosite 20:	NOL9	Q5SY16	S84	RPNTATPSPIPSPTP	85 / 7 AA	79