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:	Y242
P-Site Sequence:	ENRGGRPYTERPSRG
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	Y242	ENRGGRPYTERPSRG	100 / 9 AA	52
Phosphosite 1:	IGSF21	Q96ID5	T243	NRGGRPYTERPSRGL	100 / 8 AA	52
Phosphosite 2:	VWA1	Q6PCB0	Y83	VHVGSRPYTEFPFGQ	77 / 9 AA	47
Phosphosite 3:	ULK1	O75385	Y502	SLGGGRPYTPSPQVG	77 / 9 AA	113
Phosphosite 4:	VWA1	Q6PCB0	T84	HVGSRPYTEFPFGQH	75 / 8 AA	47
Phosphosite 5:	MAOA	P21397	T52	RDRVGGRTYTIRNEH	75 / 8 AA	60
Phosphosite 6:	MAOA	P21397	Y53	DRVGGRTYTIRNEHV	75 / 8 AA	60
Phosphosite 7:	PLXNA3	P51805	S1521	VYKGIPYSQRPKAED	62 / 8 AA	208
Phosphosite 8:	ULK1	O75385	T503	LGGGRPYTPSPQVGT	75 / 8 AA	113
Phosphosite 9:	COASY	Q13057	Y244	LPELLQPYTERVEHL	83 / 6 AA	62
Phosphosite 10:	Plxna1	Q9UIW2	S1546	AYKGVPYSQRPKAAD	62 / 8 AA	211
Phosphosite 11:	AARS	P49588	Y279	KGTGARPYTGKVGAE	62 / 8 AA	107
Phosphosite 12:	COASY	Q13057	T245	PELLQPYTERVEHLS	83 / 6 AA	62
Phosphosite 13:	ZNF615	Q8N8J6	Y288	THMGGKPYTCSQCGK	83 / 6 AA	84
Phosphosite 14:	TBL3	Q12788	T764	LEALLPYTERHFQRL	100 / 5 AA	89
Phosphosite 15:	PKP4	Q99569	Y275	AARAASPYSQRPASP	44 / 9 AA	134
Phosphosite 16:	MKX	Q8IYA7	Y30	RERGGRPYSGVLDSP	83 / 6 AA	39
Phosphosite 17:	ZNF324B	Q6AW86	Y369	IHAGGRPYACAQCGR	83 / 6 AA	61
Phosphosite 18:	ZNF324	O75467	Y369	IHAGGRPYACAQCGR	83 / 6 AA	61
Phosphosite 19:	KIAA0284	Q9Y4F5	Y191	AQRQGEPYPERPKGP	75 / 8 AA	172
Phosphosite 20:	ZNF559	Q9BR84	Y213	IYGGERPYTHKEYVE	62 / 8 AA	62