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:	S1503
P-Site Sequence:	STPSEEPSPPHNSKH
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	S1503	STPSEEPSPPHNSKH	100 / 9 AA	217
Phosphosite 1:	RALBP1	Q15311	S48	LYRTGEPSPPHDILH	66 / 9 AA	76
Phosphosite 2:	ARHGEF16	Q5VV41	S185	QALAEEPSQPHTRSP	66 / 9 AA	80
Phosphosite 3:	PKD3	O94806	S364	LDDTEEPSPPEDKMF	66 / 9 AA	100
Phosphosite 4:	SYNE2	Q8WXH0	S6388	RGESEEPSSPQSLCH	66 / 9 AA	796
Phosphosite 5:	HIC1	Q14526	S410	TGSSEDPSPPGGHLE	85 / 7 AA	76
Phosphosite 6:	SLC12A3	P55017	S32	LLSSDEPSPPAAYDS	85 / 7 AA	113
Phosphosite 7:	AGGF1	Q8N302	S7	_MASEAPSPPRSPPP	66 / 9 AA	81
Phosphosite 8:	USP9X	Q93008	S2540	YEGSEEVSPPQTKDQ	66 / 9 AA	290
Phosphosite 9:	TNRC6C	Q9HCJ0	S714	ATGWEEPSPPSIRRK	85 / 7 AA	176
Phosphosite 10:	PAPPA	Q13219	S91	RGATEEPSPPSRALY	85 / 7 AA	181
Phosphosite 11:	PHF20	Q9BVI0	S569	SDTSQEPSPPKAFAV	85 / 7 AA	115
Phosphosite 12:	PSORS1C1	Q9UIG5	T36	TDPSSEETRPPHVNP	75 / 8 AA	17
Phosphosite 13:	PPP1R2P3	Q6NXS1	S72	LMKIDEPSPPYHSMM	62 / 8 AA	23
Phosphosite 14:	MAGEA12	P43365	S60	VPAAESPSPPHSPQG	66 / 9 AA	35
Phosphosite 15:	CTTNBP2	Q8WZ74	S557	PGLSQTPSPPHPQLK	75 / 8 AA	181
Phosphosite 16:	WBSCR19	Q8NFV5	S93	LAPGVDPSPPHRSFC	83 / 6 AA	41
Phosphosite 17:	Putative speedy protein-like protein 2	A6NNV3	S93	LAPGVDPSPPHRSFC	83 / 6 AA	37
Phosphosite 18:	Putative speedy protein-like protein 3	A6NJR5	S93	LAPGVDPSPPHRSFC	83 / 6 AA	35
Phosphosite 19:	SPDYE5	A6NIY4	S93	LAPGVDPSPPHRSFC	83 / 6 AA	40
Phosphosite 20:	LOC144097	Q9BUA3	S148	DVRAEQPSPPNSDSG	55 / 9 AA	41