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:	S1860
P-Site Sequence:	ARERLRTSTSDLSRG
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	S1860	ARERLRTSTSDLSRG	100 / 9 AA	217
Phosphosite 1:	ARHGAP21	Q5T5U3	T1859	LARERLRTSTSDLSR	100 / 8 AA	217
Phosphosite 2:	ARHGAP21	Q5T5U3	T1861	RERLRTSTSDLSRGE	100 / 8 AA	217
Phosphosite 3:	SIPA1L1	O43166	S1521	AHTRLRASTRDLRAS	77 / 9 AA	200
Phosphosite 4:	STAC	Q99469	T230	DSPHRTSTSDLVEVP	100 / 7 AA	45
Phosphosite 5:	STAC	Q99469	S229	SDSPHRTSTSDLVEV	100 / 7 AA	45
Phosphosite 6:	STAC	Q99469	S231	SPHRTSTSDLVEVPE	100 / 7 AA	45
Phosphosite 7:	TMEM48	Q9BTX1	S487	RGPRLWTSASDQQMT	75 / 8 AA	76
Phosphosite 8:	NIPSNAP3B	Q9BS92	S65	KNIHLRTSYSELVGF	66 / 9 AA	28
Phosphosite 9:	ZNF281	Q9Y2X9	S864	VDHRVRTSVSDFSGY	66 / 9 AA	97
Phosphosite 10:	ARHGAP21	Q5T5U3	S1862	ERLRTSTSDLSRGEI	100 / 7 AA	217
Phosphosite 11:	TMEM48	Q9BTX1	T486	RRGPRLWTSASDQQM	75 / 8 AA	76
Phosphosite 12:	TPR	P12270	T957	DLKERLKTSTSNVEQ	75 / 8 AA	267
Phosphosite 13:	C17orf57	Q8IY85	S204	ILCILRISISDLEMR	75 / 8 AA	110
Phosphosite 14:	NIPSNAP3B	Q9BS92	Y66	NIHLRTSYSELVGFW	75 / 8 AA	28
Phosphosite 15:	ZNF281	Q9Y2X9	T863	EVDHRVRTSVSDFSG	75 / 8 AA	97
Phosphosite 16:	CUX1	Q13948	S413	ENAALRISNSDLSGR	75 / 8 AA	77
Phosphosite 17:	CUTL1	P39880	S402	ENAALRISNSDLSGS	75 / 8 AA	164
Phosphosite 18:	RHOBTB2	Q9BYZ6	T366	PAGLRASTSDGILRG	85 / 7 AA	83
Phosphosite 19:	RHOBTB2	Q9BYZ6	S365	GPAGLRASTSDGILR	85 / 7 AA	83
Phosphosite 20:	NKTR	P30414	T955	WKSSKQRTSTSDSEG	75 / 8 AA	166