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:	S1944
P-Site Sequence:	NAQPHKLSETPGSKA
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	S1944	NAQPHKLSETPGSKA	100 / 9 AA	217
Phosphosite 1:	ARHGAP21	Q5T5U3	T1946	QPHKLSETPGSKAEF	100 / 7 AA	217
Phosphosite 2:	Ig lambda chain V-VI region EB4	P06319	S30	LTQPHSVSESPGKTV	66 / 9 AA	14
Phosphosite 3:	Ig lambda chain V-VI region SUT	P06317	S11	LTQPHSVSESPGKTV	66 / 9 AA	12
Phosphosite 4:	Ig lambda chain V-VI region AR	P01721	S11	LTQPHSVSESPGKTV	66 / 9 AA	12
Phosphosite 5:	C22orf37	Q8N1L1	S127	CSGKLSESPGCFWNS	85 / 7 AA	18
Phosphosite 6:	FYCO1	Q9BQS8	S1231	RACFQKLSEGPGSPD	75 / 8 AA	167
Phosphosite 7:	KIAA0476	O75064	T1141	SSERLSDTPGSFQSP	71 / 7 AA	164
Phosphosite 8:	LRRC66	Q68CR7	S161	ILQRNKLSDTPKGLW	62 / 8 AA	98
Phosphosite 9:	KIAA0476	O75064	S1139	RRSSERLSDTPGSFQ	71 / 7 AA	164
Phosphosite 10:	ARMC8	Q8IUR7	S653	VDILHKLSQSPDSNL	62 / 8 AA	75
Phosphosite 11:	SYNE2	Q8WXH0	S1411	DAFSIKLSETHGYGV	85 / 7 AA	796
Phosphosite 12:	ARHGEF5	Q12774	T1121	RLESLSETPGPSSPR	100 / 6 AA	177
Phosphosite 13:	SYNE1	Q8NF91	S3587	QAYQHRLSETRTQFN	62 / 8 AA	1011
Phosphosite 14:	VPS16	Q9H269	T514	INQKLGDTPGVSYSD	71 / 7 AA	95
Phosphosite 15:	ARHGEF5	Q12774	S1119	QQRLESLSETPGPSS	100 / 6 AA	177
Phosphosite 16:	ATG2A	Q2TAZ0	S1261	EIAGQKLSESPASLP	62 / 8 AA	213
Phosphosite 17:	TSC1	Q92574	S108	PSWKHKLSQAPLLPS	71 / 7 AA	130
Phosphosite 18:	SOS2	Q07890	S1140	CGSLHKLSEEPLIPP	85 / 7 AA	153
Phosphosite 19:	FLJ43906	Q4AC94	S516	LVEQQMLSETPEDAQ	62 / 8 AA	260
Phosphosite 20:	BSN	Q9UPA5	S765	KQRPHSLSITPEAFD	75 / 8 AA	416