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:	ARHGAP21
Human P-Site:	Y243
P-Site Sequence:	LTQPGRAYRMEIQVP
UniProt:	Q5T5U3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ARHGAP21	Q5T5U3	Y243	LTQPGRAYRMEIQVP	100 / 9 AA	217
Phosphosite 1:	CACNA1B	Q00975	Y1388	EQGPSPGYRMELSIF	55 / 9 AA	262
Phosphosite 2:	C1orf86	Q6NZ36	Y101	LWGPGRSYRLLHGAG	71 / 7 AA	20
Phosphosite 3:	C1orf86	Q6NZ36	S100	DLWGPGRSYRLLHGA	71 / 7 AA	20
Phosphosite 4:	CACNA1A	O00555	Y1483	NQGPSPGYRMEMSIF	55 / 9 AA	282
Phosphosite 5:	XRN1	Q8IZH2	Y1162	RCSPGRGYRLPTSAL	71 / 7 AA	194
Phosphosite 6:	CXorf22	Q6ZTR5	Y58	DTMAGRVYRLPITVH	55 / 9 AA	110
Phosphosite 7:	USP34	Q70CQ2	Y3415	ENSSVKEYRMEVPSS	44 / 9 AA	404
Phosphosite 8:	AICDA	Q9GZX7	Y76	DLDPGRCYRVTWFTS	71 / 7 AA	24
Phosphosite 9:	COBL	O75128	S698	RGQNPGKSYRLKHGL	57 / 7 AA	136
Phosphosite 10:	KIAA1530	Q2YD98	Y43	EEQLSRAYRLLIAQL	62 / 8 AA	81
Phosphosite 11:	RP1-199H16.1	Q5TG08	S600	LHNLEPGSAYRIRDI	71 / 7 AA	75
Phosphosite 12:	DCT	P40126	Y204	LLGPGRPYRAIDFSH	83 / 6 AA	59
Phosphosite 13:	LNK	Q9UQQ2	Y89	GRAPGRDYRDTGRGP	83 / 6 AA	63
Phosphosite 14:	DNAJB4	Q9UDY4	Y193	LNADGRSYRSEDKIL	71 / 7 AA	38
Phosphosite 15:	CA9	Q16790	Y220	ALGPGREYRALQLHL	83 / 6 AA	50
Phosphosite 16:	NADSYN1	Q6IA69	Y281	DLEDVRSYRAEISSR	71 / 7 AA	79
Phosphosite 17:	PLEKHH2	Q8IVE3	S1102	GDREARPSRMEILST	62 / 8 AA	168
Phosphosite 18:	DNAJB4	Q9UDY4	S192	RLNADGRSYRSEDKI	71 / 7 AA	38
Phosphosite 19:	SPAG8	Q99932	Y386	ESVTHHDYRMELAQA	57 / 7 AA	45
Phosphosite 20:	PPP2R4	Q15257	T233	VMRKLQKTYRMEPAG	66 / 6 AA	41