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:	S1590
P-Site Sequence:	TSDYSTTSSATYLTS
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	S1590	TSDYSTTSSATYLTS	100 / 9 AA	217
Phosphosite 1:	ARHGAP21	Q5T5U3	S1591	SDYSTTSSATYLTSL	100 / 8 AA	217
Phosphosite 2:	ARHGAP21	Q5T5U3	T1588	TITSDYSTTSSATYL	100 / 7 AA	217
Phosphosite 3:	SMG1	Q96Q15	S3527	ECSSPTSSATYQPSF	87 / 8 AA	410
Phosphosite 4:	SMG1	Q96Q15	S3526	NECSSPTSSATYQPS	87 / 8 AA	410
Phosphosite 5:	MYO10	Q9HD67	T2047	IVKKRYSTTRSASSQ	85 / 7 AA	237
Phosphosite 6:	GATAD2B	Q8WXI9	S313	VPCQRTTSSAIYMNL	75 / 8 AA	65
Phosphosite 7:	DDX17	Q92841	T491	GRSRYRTTSSANNPN	85 / 7 AA	72
Phosphosite 8:	DDX17	Q92841	S492	RSRYRTTSSANNPNL	85 / 7 AA	72
Phosphosite 9:	MYO10	Q9HD67	T2048	VKKRYSTTRSASSQG	75 / 8 AA	237
Phosphosite 10:	SMG1	Q96Q15	T3529	SSPTSSATYQPSFAA	100 / 6 AA	410
Phosphosite 11:	RAR-alpha	P10276	S57	VSGYSTPSPATIETQ	75 / 8 AA	51
Phosphosite 12:	DDX17	Q92841	T490	GGRSRYRTTSSANNP	85 / 7 AA	72
Phosphosite 13:	CCK-A receptor	P32238	S260	RKPSTTSSGKYEDSD	75 / 8 AA	48
Phosphosite 14:	CCK-A receptor	P32238	S259	ERKPSTTSSGKYEDS	75 / 8 AA	48
Phosphosite 15:	SIPA1L3	O60292	S1166	GSFSTPGSATYVRYK	75 / 8 AA	195
Phosphosite 16:	VCAN	P13611	S2981	WPHSTSASATYGVEA	75 / 8 AA	373
Phosphosite 17:	K77	Q7Z794	S22	SRRVYSTSSSAGSGG	85 / 7 AA	62
Phosphosite 18:	K77	Q7Z794	T21	MSRRVYSTSSSAGSG	85 / 7 AA	62
Phosphosite 19:	K77	Q7Z794	S23	RRVYSTSSSAGSGGG	85 / 7 AA	62