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:	S878
P-Site Sequence:	PNSKTERSKSYDEGL
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	S878	PNSKTERSKSYDEGL	100 / 9 AA	217
Phosphosite 1:	ARHGAP23	Q9P227	S621	LAITTERSKSCDDGL	87 / 8 AA	162
Phosphosite 2:	ARHGAP21	Q5T5U3	S880	SKTERSKSYDEGLDD	100 / 7 AA	217
Phosphosite 3:	SLK	Q9H2G2	S370	VSEKTERSNSEDKLN	77 / 9 AA	143
Phosphosite 4:	ARHGAP23	Q9P227	S623	ITTERSKSCDDGLNT	85 / 7 AA	162
Phosphosite 5:	ITPK1	Q13572	S107	IRTLLDRSKSYELIR	71 / 7 AA	46
Phosphosite 6:	ITPK1	Q13572	S109	TLLDRSKSYELIRKI	71 / 7 AA	46
Phosphosite 7:	UTP20	O75691	S1959	KVMEARRSKSYDSYE	100 / 6 AA	318
Phosphosite 8:	PPHLN1	Q8NEY8	S161	YSPERSKSYSFHQSQ	100 / 6 AA	53
Phosphosite 9:	PPHLN1	Q8NEY8	S159	RSYSPERSKSYSFHQ	100 / 6 AA	53
Phosphosite 10:	ZNF470	Q6ECI4	S127	IIMERLKSYDLECST	85 / 7 AA	83
Phosphosite 11:	CCNL2	Q96S94	S498	RDQRRERSRSYERTG	55 / 9 AA	58
Phosphosite 12:	RUSC2	Q8N2Y8	S496	LSTGRQRSRSYDRSL	71 / 7 AA	161
Phosphosite 13:	CCNL2	Q96S94	S500	QRRERSRSYERTGRR	71 / 7 AA	58
Phosphosite 14:	RUSC2	Q8N2Y8	S498	TGRQRSRSYDRSLQR	71 / 7 AA	161
Phosphosite 15:	UTP20	O75691	Y1962	EARRSKSYDSYEILG	100 / 6 AA	318
Phosphosite 16:	CNNM2	Q9H8M5	S186	PLRKMEKSKSYYLCT	75 / 8 AA	97
Phosphosite 17:	UTP20	O75691	S1961	MEARRSKSYDSYEIL	100 / 6 AA	318
Phosphosite 18:	ARHGAP21	Q5T5U3	T875	DAQPNSKTERSKSYD	100 / 6 AA	217
Phosphosite 19:	HIVEP2	P31629	S1048	AEVPEVRSKSFDYGN	83 / 6 AA	269
Phosphosite 20:	PRR5	P85299	S252	AKNPVVRSKSYNTPL	83 / 6 AA	43