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:	S880
P-Site Sequence:	SKTERSKSYDEGLDD
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	S880	SKTERSKSYDEGLDD	100 / 9 AA	217
Phosphosite 1:	ARHGAP23	Q9P227	S623	ITTERSKSCDDGLNT	77 / 9 AA	162
Phosphosite 2:	ARHGAP21	Q5T5U3	S878	PNSKTERSKSYDEGL	100 / 7 AA	217
Phosphosite 3:	PGGT1B	P53609	Y206	YIRRSMSYDNGLAQG	75 / 8 AA	42
Phosphosite 4:	PGGT1B	P53609	S205	TYIRRSMSYDNGLAQ	75 / 8 AA	42
Phosphosite 5:	RHEB	Q15382	S130	LHMERVISYEEGKAL	66 / 9 AA	20
Phosphosite 6:	ARHGAP23	Q9P227	S621	LAITTERSKSCDDGL	85 / 7 AA	162
Phosphosite 7:	DDHD1	Q8NEL9	S573	LPDERWMSYEERHLL	62 / 8 AA	100
Phosphosite 8:	TMEM206	Q9H813	S9	IRQERSTSYQELSEE	75 / 8 AA	40
Phosphosite 9:	TMEM206	Q9H813	T8	MIRQERSTSYQELSE	75 / 8 AA	40
Phosphosite 10:	HIVEP2	P31629	S1050	VPEVRSKSFDYGNLS	75 / 8 AA	269
Phosphosite 11:	UTP20	O75691	S1959	KVMEARRSKSYDSYE	100 / 6 AA	318
Phosphosite 12:	HIVEP3	Q5T1R4	S1012	MTETRSKSFDYGSLS	75 / 8 AA	259
Phosphosite 13:	ITPK1	Q13572	S107	IRTLLDRSKSYELIR	71 / 7 AA	46
Phosphosite 14:	ITPK1	Q13572	S109	TLLDRSKSYELIRKI	71 / 7 AA	46
Phosphosite 15:	PPHLN1	Q8NEY8	S161	YSPERSKSYSFHQSQ	100 / 6 AA	53
Phosphosite 16:	PPHLN1	Q8NEY8	S159	RSYSPERSKSYSFHQ	100 / 6 AA	53
Phosphosite 17:	ZNF470	Q6ECI4	S127	IIMERLKSYDLECST	85 / 7 AA	83
Phosphosite 18:	RUSC2	Q8N2Y8	S496	LSTGRQRSRSYDRSL	71 / 7 AA	161
Phosphosite 19:	UTP20	O75691	Y1962	EARRSKSYDSYEILG	100 / 6 AA	318
Phosphosite 20:	RUSC2	Q8N2Y8	S498	TGRQRSRSYDRSLQR	71 / 7 AA	161