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:	S442
P-Site Sequence:	QGRRRSTSHDRVPQS
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	S442	QGRRRSTSHDRVPQS	100 / 9 AA	217
Phosphosite 1:	ARHGAP21	Q5T5U3	T441	LQGRRRSTSHDRVPQ	100 / 8 AA	217
Phosphosite 2:	ARHGAP21	Q5T5U3	S440	TLQGRRRSTSHDRVP	100 / 7 AA	217
Phosphosite 3:	LYSMD3	Q7Z3D4	S55	EKVRRSTSRDRLDDI	77 / 9 AA	35
Phosphosite 4:	ZNF291	Q9BY12	S9	ASFQRSNSHDKVRRI	66 / 9 AA	158
Phosphosite 5:	LYSMD3	Q7Z3D4	T54	KEKVRRSTSRDRLDD	87 / 8 AA	35
Phosphosite 6:	H2AFV	Q71UI9	S43	HLKTRTTSHGRVGAT	75 / 8 AA	14
Phosphosite 7:	H2AZ	P0C0S5	S43	HLKSRTTSHGRVGAT	75 / 8 AA	13
Phosphosite 8:	EPB41L5	Q9HCM4	T365	TNKARRSTSFERRPS	75 / 8 AA	82
Phosphosite 9:	A1BG	P04217	S258	LVPRSSTSPDRIFFH	66 / 9 AA	54
Phosphosite 10:	ZNF700	Q9H0M5	S459	GKAFRSTSHLRVHGR	87 / 8 AA	86
Phosphosite 11:	CROP	O95232	S335	RDRRRSRSHDRSERK	87 / 8 AA	51
Phosphosite 12:	EPB41L5	Q9HCM4	S366	NKARRSTSFERRPSK	75 / 8 AA	82
Phosphosite 13:	RRP9	O43818	S260	THQLYSTSHDRSVKV	100 / 6 AA	52
Phosphosite 14:	RHPN1	Q8TCX5	S62	ENLYRATSNNRVRET	62 / 8 AA	76
Phosphosite 15:	DNMT1	P26358	S209	EKRRRVTSRERVARP	66 / 9 AA	183
Phosphosite 16:	Kv3.4	Q03721	T578	RRALRRSTTRDRNKK	75 / 8 AA	64
Phosphosite 17:	Gpr77	Q9P296	T327	SVDSKKSTSHDLVSE	71 / 7 AA	36
Phosphosite 18:	Kv3.4	Q03721	T579	RALRRSTTRDRNKKA	75 / 8 AA	64
Phosphosite 19:	NAB2	Q15742	S471	LRLARLVSHDRVGRL	75 / 8 AA	57
Phosphosite 20:	Gpr77	Q9P296	S326	ESVDSKKSTSHDLVS	71 / 7 AA	36