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:	S1457
P-Site Sequence:	HNDTKEESKKESETL
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	S1457	HNDTKEESKKESETL	100 / 9 AA	217
Phosphosite 1:	MKRN1	Q9UHC7	S200	GSVTKEESEKEQTAV	87 / 8 AA	53
Phosphosite 2:	SEC62	Q99442	S150	KDGEKEESKKEETPG	100 / 7 AA	46
Phosphosite 3:	TCF9	P16383	S539	MDSSVEDSKKESSSD	85 / 7 AA	89
Phosphosite 4:	PSMD7	P51665	S296	EGQEKEESKKDRKED	85 / 7 AA	37
Phosphosite 5:	DHRS4	Q9BTZ2	S214	MDKEKEESMKETLRI	75 / 8 AA	28
Phosphosite 6:	THOC6	Q86W42	S65	SSEAKEESKKPVVTF	85 / 7 AA	38
Phosphosite 7:	EphB2	P29323	S1044	GIFFKEDSHKESNDC	75 / 8 AA	117
Phosphosite 8:	NEB	P20929	S3494	YKLALEESKKEGYDL	85 / 7 AA	773
Phosphosite 9:	PADI6	Q6TGC4	S209	LHTSKEESKKARVYW	85 / 7 AA	77
Phosphosite 10:	MAP2K4	P45985	S353	LCLTKDESKRPKYKE	71 / 7 AA	44
Phosphosite 11:	TNNI2	P48788	S35	TELEKEESRREAEKQ	62 / 8 AA	21
Phosphosite 12:	RPGRIP1	Q96KN7	S337	RAELKEESKKAVSLK	100 / 6 AA	147
Phosphosite 13:	GALNT3	Q14435	S50	VQYSKEESRMERNMK	62 / 8 AA	73
Phosphosite 14:	HNRNPU	Q00839	S673	LEQYKEESKKALPPE	100 / 6 AA	91
Phosphosite 15:	Cdc27	P30260	S393	SSTTKENSKKLKMKF	85 / 7 AA	92
Phosphosite 16:	ZNF644	Q9H582	S815	VKRVIKESKKESSVG	100 / 6 AA	150
Phosphosite 17:	REV3	O60673	S645	ENSHKENSKKEILPV	85 / 7 AA	353
Phosphosite 18:	C3orf33	Q6P1S2	S220	EGIWKEDSEKESYLE	75 / 8 AA	34
Phosphosite 19:	LPIN2	Q92539	S166	RKKYKQDSKKEEQAA	71 / 7 AA	99
Phosphosite 20:	TAF1L	Q8IZX4	S548	SNSPSKESKKESSLK	100 / 6 AA	207