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:	S1054
P-Site Sequence:	VTNRDLISRRIKEYN
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	S1054	VTNRDLISRRIKEYN	100 / 9 AA	217
Phosphosite 1:	AURKA	O14965	S361	EGARDLISRLLKHNP	77 / 9 AA	46
Phosphosite 2:	GluR-delta1	Q9ULK0	S785	SPYRDLFSQRILELQ	75 / 8 AA	112
Phosphosite 3:	RBM25	P49756	S278	EDKRDLISREISKFR	87 / 8 AA	100
Phosphosite 4:	RGS21	Q2M5E4	S97	FGTRDLISKNIAEPT	75 / 8 AA	18
Phosphosite 5:	TRIM69	Q86WT6	S294	LATRELISRKLNLGQ	55 / 9 AA	57
Phosphosite 6:	PTPN21	Q16825	T596	SSNPDLITRRVHHSV	71 / 7 AA	133
Phosphosite 7:	ADAM5P	Q6NVV9	S277	WEHRDLISRPNLSVI	100 / 6 AA	47
Phosphosite 8:	AZI1	Q9UPN4	T601	LAQQRDLTARRVKET	62 / 8 AA	122
Phosphosite 9:	ARID2	Q68CP9	S251	NEVRDLISDRNKSHE	77 / 9 AA	197
Phosphosite 10:	CNTF	P26441	S18	PHRRDLCSRSIWLAR	75 / 8 AA	23
Phosphosite 11:	ECH1	Q13011	T16	RRLRDLLTRRLTGSN	55 / 9 AA	36
Phosphosite 12:	PABPC4	Q13310	T48	RVCRDMITRRSLGYA	71 / 7 AA	71
Phosphosite 13:	PABPC1	P11940	T48	RVCRDMITRRSLGYA	71 / 7 AA	71
Phosphosite 14:	ZNF317	Q96PQ6	S404	KSFGDLVSRRKHMRI	83 / 6 AA	68
Phosphosite 15:	APOC1	P02654	S53	DKARELISRIKQSEL	83 / 6 AA	9
Phosphosite 16:	C20orf117	O94964	S223	EEEANLLSRRIVELE	71 / 7 AA	160
Phosphosite 17:	EHD4	Q9H223	S336	NKKRELISRLPEIYI	83 / 6 AA	61
Phosphosite 18:	LRRC7	Q96NW7	S1072	NIAKDLISPRAYRGY	71 / 7 AA	173
Phosphosite 19:	ASCC2	Q9H1I8	S638	DSDDELISRRPFTIP	83 / 6 AA	86
Phosphosite 20:	E2F7	Q96AV8	S13	LTLKDLISPRQPRLD	71 / 7 AA	100