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:	S646
P-Site Sequence:	ASQTLLDSVYSHLPD
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	S646	ASQTLLDSVYSHLPD	100 / 9 AA	72
Phosphosite 1:	TNFRSF21	O75509	Y648	QTLLDSVYSHLPDLL	100 / 7 AA	72
Phosphosite 2:	MLL5	Q8IZD2	S882	RFYQLLDSVYSETST	100 / 7 AA	205
Phosphosite 3:	TNFRSF21	O75509	S649	TLLDSVYSHLPDLL_	100 / 6 AA	72
Phosphosite 4:	FKBP10	Q96AY3	S305	MDGTLFDSSYSRNHT	66 / 9 AA	64
Phosphosite 5:	THADA	Q6YHU6	Y395	IVGRLLEYVYTHWEH	62 / 8 AA	220
Phosphosite 6:	FAM164C	Q53FD0	Y69	ELILDKVYTHPKWNT	71 / 7 AA	31
Phosphosite 7:	MLL5	Q8IZD2	Y884	YQLLDSVYSETSTPT	100 / 6 AA	205
Phosphosite 8:	SLC7A4	O43246	S143	AWSGYLDSMFSHSIR	71 / 7 AA	68
Phosphosite 9:	PRKDC	P78527	S1800	TQVGLLESVYEMFRK	83 / 6 AA	469
Phosphosite 10:	PLXNA3	P51805	T1513	AKDKLLDTVYKGIPY	71 / 7 AA	208
Phosphosite 11:	FGFR1	P11362	S797	SGEDSVFSHEPLPEE	83 / 6 AA	92
Phosphosite 12:	ATP11B	Q9Y2G3	S910	SQQTLYDSVYLTLYN	85 / 7 AA	134
Phosphosite 13:	FGFR1	P11362	S794	TCSSGEDSVFSHEPL	83 / 6 AA	92
Phosphosite 14:	FGFR4	P22455	S783	SSSDSVFSHDPLPLG	83 / 6 AA	88
Phosphosite 15:	USP26	Q9BXU7	S640	SKPNELESVYSGDRA	83 / 6 AA	104
Phosphosite 16:	FGFR4	P22455	S780	STCSSSDSVFSHDPL	83 / 6 AA	88
Phosphosite 17:	LRIG3	Q6UXM1	T1000	HVRKLLNTSYSHNEG	62 / 8 AA	123
Phosphosite 18:	ATM	Q13315	S2165	MCKRSLESVYSLYPT	83 / 6 AA	351
Phosphosite 19:	RSBN1L	Q6PCB5	S733	VSKASLDSVFSDKLH	71 / 7 AA	94
Phosphosite 20:	PROC	P04070	S25	GTPAPLDSVFSSSER	83 / 6 AA	52