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:	S1591
P-Site Sequence:	SDYSTTSSATYLTSL
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	S1591	SDYSTTSSATYLTSL	100 / 9 AA	217
Phosphosite 1:	ARHGAP21	Q5T5U3	S1590	TSDYSTTSSATYLTS	100 / 8 AA	217
Phosphosite 2:	SMG1	Q96Q15	S3527	ECSSPTSSATYQPSF	77 / 9 AA	410
Phosphosite 3:	TMEM187	Q14656	S190	RHYGSTTSATYLALG	66 / 9 AA	29
Phosphosite 4:	SMG1	Q96Q15	S3526	NECSSPTSSATYQPS	87 / 8 AA	410
Phosphosite 5:	ARHGAP21	Q5T5U3	Y1594	STTSSATYLTSLDSS	100 / 6 AA	217
Phosphosite 6:	SIPA1L3	O60292	S1166	GSFSTPGSATYVRYK	66 / 9 AA	195
Phosphosite 7:	UBN2	Q6ZU65	S1010	TVPSTTTSSNYLAKA	66 / 9 AA	146
Phosphosite 8:	GATAD2B	Q8WXI9	S313	VPCQRTTSSAIYMNL	85 / 7 AA	65
Phosphosite 9:	SMG1	Q96Q15	T3529	SSPTSSATYQPSFAA	85 / 7 AA	410
Phosphosite 10:	CCK-A receptor	P32238	S260	RKPSTTSSGKYEDSD	75 / 8 AA	48
Phosphosite 11:	CDK5RAP2	Q96SN8	T1080	LSPTSVATYLSSKSQ	85 / 7 AA	215
Phosphosite 12:	CCK-A receptor	P32238	S259	ERKPSTTSSGKYEDS	75 / 8 AA	48
Phosphosite 13:	VCAN	P13611	S2981	WPHSTSASATYGVEA	75 / 8 AA	373
Phosphosite 14:	STAT5A	P42229	Y720	AGGSSATYMDQAPSP	83 / 6 AA	91
Phosphosite 15:	Rictor	Q6R327	S1414	SSVRSMVSSATYGGS	75 / 8 AA	192
Phosphosite 16:	RAB3GAP2	Q9H2M9	Y1071	KRFSAATYLMDKVGK	83 / 6 AA	156
Phosphosite 17:	Rictor	Q6R327	S1415	SVRSMVSSATYGGSD	75 / 8 AA	192
Phosphosite 18:	MAP9	Q49MG5	S396	RTPSTTTSSHYLGTL	66 / 9 AA	74
Phosphosite 19:	PATZ1	Q9HBE1	Y509	RGFSSASYLKVHVKT	83 / 6 AA	74
Phosphosite 20:	INTS4	Q96HW7	S660	LAGVADFSATYLRCQ	100 / 5 AA	108