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:	IGSF21
Human P-Site:	T292
P-Site Sequence:	YFLRHSRTPSSDGTV
UniProt:	Q96ID5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGSF21	Q96ID5	T292	YFLRHSRTPSSDGTV	100 / 9 AA	52
Phosphosite 1:	IGSF21	Q96ID5	S290	PTYFLRHSRTPSSDG	100 / 7 AA	52
Phosphosite 2:	IGSF21	Q96ID5	S294	LRHSRTPSSDGTVEV	100 / 7 AA	52
Phosphosite 3:	MED1	Q15648	T998	KPGKRSRTPSNDGKS	66 / 9 AA	168
Phosphosite 4:	PHRF1	Q9P1Y6	S1165	RRKRRSRSPSSEHRA	66 / 9 AA	179
Phosphosite 5:	DNAJC30	Q96LL9	T130	PGVRPSRTPAPDPGS	66 / 9 AA	26
Phosphosite 6:	TRAF7	Q6Q0C0	T59	TYKQHCRTPSSSSTL	75 / 8 AA	75
Phosphosite 7:	IRS4	O14654	S735	SKKRHSRSPFEDSRG	66 / 9 AA	138
Phosphosite 8:	TRAD	O60229	T1551	FALWSGRTPSSDNKT	66 / 9 AA	340
Phosphosite 9:	SMCR5	Q8TEV8	T68	AAADHSRTPSLLASS	100 / 6 AA	15
Phosphosite 10:	SMCR5	Q8TEV8	S66	PPAAADHSRTPSLLA	100 / 6 AA	15
Phosphosite 11:	MED1	Q15648	S1000	GKRSRTPSNDGKSKD	85 / 7 AA	168
Phosphosite 12:	TRAD	O60229	S1553	LWSGRTPSSDNKTVL	85 / 7 AA	340
Phosphosite 13:	IGSF21	Q96ID5	S295	RHSRTPSSDGTVEVR	100 / 6 AA	52
Phosphosite 14:	TRAD	O60229	S1554	WSGRTPSSDNKTVLK	100 / 6 AA	340
Phosphosite 15:	PILRB	Q9UKJ0	S224	RKGSRAPSSDF____	85 / 7 AA	26
Phosphosite 16:	APOF	Q13790	T39	PLSLESQTPSSDPLS	85 / 7 AA	33
Phosphosite 17:	ZNF668	Q96K58	T565	GLRKHSRTHSSVRPY	75 / 8 AA	68
Phosphosite 18:	TJP2	Q9UDY2	S294	REHPHSRSPSPEPRG	62 / 8 AA	134
Phosphosite 19:	C11orf82	Q8IXT1	S745	SLSDSRHSRTCSPTP	85 / 7 AA	112
Phosphosite 20:	SON	P18583	S1992	SRTPSRRSRTPSRRR	85 / 7 AA	264