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:	S318
P-Site Sequence:	KTVSRTTSPPLSIPT
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	S318	KTVSRTTSPPLSIPT	100 / 9 AA	217
Phosphosite 1:	ARHGAP21	Q5T5U3	T317	LKTVSRTTSPPLSIP	100 / 8 AA	217
Phosphosite 2:	ZNF469	Q96JG9	S2242	ESPGRATSPPLAGAV	66 / 9 AA	259
Phosphosite 3:	ARHGAP21	Q5T5U3	T316	SLKTVSRTTSPPLSI	100 / 7 AA	217
Phosphosite 4:	IBSP	P21815	S248	PQVYRTTSPPFGKTT	75 / 8 AA	35
Phosphosite 5:	ELK4	P28324	S269	QEPPRTPSPPLSSHP	87 / 8 AA	47
Phosphosite 6:	IBSP	P21815	T247	PPQVYRTTSPPFGKT	85 / 7 AA	35
Phosphosite 7:	ZNF469	Q96JG9	T2241	WESPGRATSPPLAGA	75 / 8 AA	259
Phosphosite 8:	GPR112	Q8IZF6	S291	ISYSNTTSPPLETMT	87 / 8 AA	301
Phosphosite 9:	KIAA0467	Q5T011	S1838	ETLIRSASPPLSREQ	75 / 8 AA	278
Phosphosite 10:	PHC1	P78364	S139	VLLGNTTSPPLNQSQ	85 / 7 AA	106
Phosphosite 11:	IBSP	P21815	T246	TPPQVYRTTSPPFGK	100 / 6 AA	35
Phosphosite 12:	PKD1L1	Q8TDX9	S797	LFFSRTTSSPIVLRG	75 / 8 AA	315
Phosphosite 13:	EIF4ENIF1	Q9NRA8	S564	LLGQRAPSPPLSQVF	75 / 8 AA	108
Phosphosite 14:	PHC1	P78364	T138	SVLLGNTTSPPLNQS	100 / 6 AA	106
Phosphosite 15:	ZNF425	Q6IV72	S83	DKTRRTTSPPTDEQL	100 / 6 AA	88
Phosphosite 16:	ZNF425	Q6IV72	T81	CLDKTRRTTSPPTDE	100 / 6 AA	88
Phosphosite 17:	Putative uncharacterized protein ENSP00000381830	A8MUN3	S121	WSPSVSRSTSPPTEA	85 / 7 AA	14
Phosphosite 18:	MUC2	Q02817	T4227	TPQTSRSTSSPLTES	75 / 8 AA	540
Phosphosite 19:	MUC2	Q02817	S4228	PQTSRSTSSPLTEST	75 / 8 AA	540
Phosphosite 20:	Bcl-11A	Q9H165	S328	ELAGNTSSPPLSPGR	85 / 7 AA	91