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:	S440
P-Site Sequence:	TLQGRRRSTSHDRVP
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	S440	TLQGRRRSTSHDRVP	100 / 9 AA	217
Phosphosite 1:	ARHGAP21	Q5T5U3	T441	LQGRRRSTSHDRVPQ	100 / 8 AA	217
Phosphosite 2:	C17orf70	Q0VG06	S98	DHPGRSRSTSQDDRD	77 / 9 AA	93
Phosphosite 3:	MLL	Q03164	S936	KATGRKKSSSHDSGT	66 / 9 AA	432
Phosphosite 4:	ARHGAP21	Q5T5U3	S442	QGRRRSTSHDRVPQS	100 / 7 AA	217
Phosphosite 5:	SFRS17A	Q02040	S638	DDSPRRRSTSPDHTR	87 / 8 AA	81
Phosphosite 6:	SFRS17A	Q02040	T639	DSPRRRSTSPDHTRS	87 / 8 AA	81
Phosphosite 7:	LIMCH1	Q9UPQ0	S377	RWKSRRRSVSQDLIK	66 / 9 AA	122
Phosphosite 8:	CROP	O95232	S333	RSRDRRRSRSHDRSE	77 / 9 AA	51
Phosphosite 9:	RBM8A	Q9Y5S9	S166	RRGGRRRSRSPDRRR	77 / 9 AA	20
Phosphosite 10:	Gpr77	Q9P296	T327	SVDSKKSTSHDLVSE	71 / 7 AA	36
Phosphosite 11:	C17orf70	Q0VG06	T99	HPGRSRSTSQDDRDS	75 / 8 AA	93
Phosphosite 12:	Gpr77	Q9P296	S326	ESVDSKKSTSHDLVS	71 / 7 AA	36
Phosphosite 13:	PRICKLE2	Q7Z3G6	T674	ERTRRRATSRDDNRR	75 / 8 AA	96
Phosphosite 14:	MAST3	O60307	S1180	PKTGRRKSTSSIPPS	85 / 7 AA	143
Phosphosite 15:	EPHX3	Q9H6B9	S61	GCCGRRRSASPACLS	66 / 9 AA	41
Phosphosite 16:	LYSMD3	Q7Z3D4	S53	GKEKVRRSTSRDRLD	85 / 7 AA	35
Phosphosite 17:	GBPI-1	Q9NXH3	T32	WASGRRRTSSTDSES	66 / 9 AA	17
Phosphosite 18:	FRMD4B	Q9Y2L6	S712	RTRGRRRSKKQNVST	55 / 9 AA	112
Phosphosite 19:	CDK12	Q9NYV4	S310	SPYSRRRSSSYERSG	55 / 9 AA	164
Phosphosite 20:	CDK12	Q9NYV4	S332	SPYGRRRSSSPFLSK	75 / 8 AA	164