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:	S910
P-Site Sequence:	KGIKIADSQKSSEDS
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	S910	KGIKIADSQKSSEDS	100 / 9 AA	217
Phosphosite 1:	KIAA1468	Q9P260	S515	EVSRIADSEKSVMLM	75 / 8 AA	135
Phosphosite 2:	TTN	Q8WZ42	S28105	AKIRIADSTKSSITL	77 / 9 AA	3816
Phosphosite 3:	CCDC18	Q5T9S5	S1244	KWKISADSQKSSVQQ	100 / 7 AA	169
Phosphosite 4:	TTN	Q8WZ42	T28106	KIRIADSTKSSITLG	87 / 8 AA	3816
Phosphosite 5:	TIPRL	O75663	S265	IDPNPADSQKSTQVE	85 / 7 AA	31
Phosphosite 6:	C14orf50	Q96LQ0	T229	GKEKISDTQKDWKFF	55 / 9 AA	49
Phosphosite 7:	ALG10B	Q5I7T1	S387	AGWSIADSLKSKPIF	85 / 7 AA	55
Phosphosite 8:	ALG10	Q5BKT4	S387	AGWSIADSLKSKSIF	85 / 7 AA	56
Phosphosite 9:	C15orf33	Q96M60	S331	VKERIADSQEHISTS	83 / 6 AA	60
Phosphosite 10:	CCNT1	O60563	S594	HPAKIAKSTKSSSLN	77 / 9 AA	81
Phosphosite 11:	ZNF828	Q96JM3	S468	ASLDFPESQKSSRGG	62 / 8 AA	89
Phosphosite 12:	nNOS	P29475	S859	SVSSYSDSQKSSGDG	75 / 8 AA	161
Phosphosite 13:	TGS1	Q96RS0	S389	TDPPAEDSQKSSGAN	100 / 6 AA	97
Phosphosite 14:	RAB17	Q9H0T7	S153	EGKEFADSQKLLFME	83 / 6 AA	23
Phosphosite 15:	DTL	Q9NZJ0	S535	RKALIPVSQKSSQAE	75 / 8 AA	79
Phosphosite 16:	nNOS	P29475	S862	SYSDSQKSSGDGPDL	100 / 6 AA	161
Phosphosite 17:	CCDC18	Q5T9S5	S1247	ISADSQKSSVQQLNE	100 / 6 AA	169
Phosphosite 18:	FLOT2	Q14254	S215	ADTKIADSKRAFELQ	62 / 8 AA	47
Phosphosite 19:	A2ML1	A8K2U0	T842	ESWADSQTSSCLCAD	85 / 7 AA	161
Phosphosite 20:	ARHGAP21	Q5T5U3	S913	KIADSQKSSEDSGSR	100 / 6 AA	217