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:	S476
P-Site Sequence:	KYCPRSASQGALTSP
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	S476	KYCPRSASQGALTSP	100 / 9 AA	217
Phosphosite 1:	C1orf170	Q5SV97	S598	LEPPRSASEGAGPGT	87 / 8 AA	72
Phosphosite 2:	ARHGAP21	Q5T5U3	S474	LMKYCPRSASQGALT	100 / 7 AA	217
Phosphosite 3:	TGIF	Q15583	S117	WELPRSPSQGAQGPA	87 / 8 AA	43
Phosphosite 4:	KIF25	Q9UIL4	S241	AGRSRRASQGALAPQ	77 / 9 AA	41
Phosphosite 5:	GPS1	Q13098	S474	KSPPREGSQGELTPA	66 / 9 AA	56
Phosphosite 6:	ADCY5	O95622	S326	LPQPRSASEGIWWTV	66 / 9 AA	139
Phosphosite 7:	FAM167A	Q96KS9	S99	PPSARSASQGARPLS	87 / 8 AA	24
Phosphosite 8:	PRMT2	P55345	S12	GDCPRSESQGEEPAE	75 / 8 AA	49
Phosphosite 9:	APBA2	Q99767	S480	RRMPRSASQDCIETT	66 / 9 AA	83
Phosphosite 10:	PLEKHA6	Q9Y2H5	S461	HSVPRSPSQGSYSRA	66 / 9 AA	117
Phosphosite 11:	C1orf170	Q5SV97	S596	QALEPPRSASEGAGP	85 / 7 AA	72
Phosphosite 12:	PRMT2	P55345	S10	TSGDCPRSESQGEEP	85 / 7 AA	49
Phosphosite 13:	TGIF	Q15583	S115	HRWELPRSPSQGAQG	85 / 7 AA	43
Phosphosite 14:	SATB2	Q9UPW6	S408	EEDPRTASQSLLVNL	66 / 9 AA	83
Phosphosite 15:	PLEKHA6	Q9Y2H5	S459	RSHSVPRSPSQGSYS	85 / 7 AA	117
Phosphosite 16:	ADCY5	O95622	S324	LLLPQPRSASEGIWW	85 / 7 AA	139
Phosphosite 17:	SLC6A5	Q9Y345	S56	PRVPRSASTGAQTFQ	87 / 8 AA	87
Phosphosite 18:	LIPE	Q05469	S950	EGFHPRRSSQGATQM	75 / 8 AA	117
Phosphosite 19:	APBA2	Q99767	S478	ARRRMPRSASQDCIE	85 / 7 AA	83
Phosphosite 20:	LIPE	Q05469	S951	GFHPRRSSQGATQMP	75 / 8 AA	117