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:	S153
P-Site Sequence:	SDTTLELSVMPKDED
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	S153	SDTTLELSVMPKDED	100 / 9 AA	217
Phosphosite 1:	ARHGAP23	Q9P227	S150	SDDTLELSIMPKDED	88 / 9 AA	162
Phosphosite 2:	ZCWPW1	Q9H0M4	S388	QELSLELSVMKKRRN	77 / 9 AA	72
Phosphosite 3:	ZNF318	Q5VUA4	S374	LHRPEEVSVMPKKSI	85 / 7 AA	251
Phosphosite 4:	PDE8A	O60658	S171	RVDREELSVMPFISA	100 / 6 AA	93
Phosphosite 5:	XYLT1	Q86Y38	T717	SKLETLETWVMPKKV	75 / 8 AA	108
Phosphosite 6:	VCAN	P13611	S976	SSHTIPLSVIPKTDW	66 / 9 AA	373
Phosphosite 7:	P2RY13	Q9BPV8	S12	IRRQRELSILPKVTL	71 / 7 AA	41
Phosphosite 8:	BCORL1	Q5H9F3	S936	QTGTLALSVQPSGGD	75 / 8 AA	183
Phosphosite 9:	AKAP13	Q12802	S2728	LDSELSVSPKRNSIS	85 / 7 AA	308
Phosphosite 10:	AKAP13	Q12802	S2726	GSLDSELSVSPKRNS	85 / 7 AA	308
Phosphosite 11:	KRBA2	Q6ZNG9	S82	QGSFLQLSMMPQRAG	62 / 8 AA	56
Phosphosite 12:	DNM3	Q9UQ16	S357	QVDTLELSGGAKINR	66 / 9 AA	98
Phosphosite 13:	PDZD8	Q8NEN9	S822	PHLVEEVSVLPKEEQ	71 / 7 AA	129
Phosphosite 14:	OTUB1	Q96FW1	S55	VSERLELSVLYKEYA	75 / 8 AA	31
Phosphosite 15:	Ron	Q04912	S236	APGFVALSVLPKHLV	71 / 7 AA	152
Phosphosite 16:	PHKA2	P46019	S701	HSTRDILSVMAKAKG	83 / 6 AA	138
Phosphosite 17:	TTMP	Q5BVD1	S16	PVDELELSVLERQPE	62 / 8 AA	24
Phosphosite 18:	POU4F3	Q15319	S138	GLGAPEHSVMPAQIH	83 / 6 AA
Phosphosite 19:	PRAM1	Q96QH2	S351	TSSEPEVSVLPKRPR	71 / 7 AA	79
Phosphosite 20:	TP53AIP1	Q9HCN2	S32	GRGDQNLSVMPPNGR	83 / 6 AA	13