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:	S449
P-Site Sequence:	SHDRVPQSVQIRQRS
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	S449	SHDRVPQSVQIRQRS	100 / 9 AA	217
Phosphosite 1:	RBCK1	Q9BYM8	S42	AEQRVPLSVQLKPEV	66 / 9 AA	58
Phosphosite 2:	SLC29A1	Q99808	S109	LHQRIPQSVRILGSL	75 / 8 AA	50
Phosphosite 3:	GLT25D2	Q8IYK4	Y218	FYKRTPDYVQIREWK	66 / 9 AA	73
Phosphosite 4:	C2orf16	Q68DN1	S361	LGHRVPESVELTSKS	62 / 8 AA	224
Phosphosite 5:	DFFA	O00273	S12	GDAGVPESGEIRTLK	62 / 8 AA	37
Phosphosite 6:	C10orf18	Q5VWN6	Y1912	EEKCVPPYVQIRDLH	75 / 8 AA	269
Phosphosite 7:	eIF6	P56537	T91	IRNSLPDTVQIRRVE	62 / 8 AA	27
Phosphosite 8:	SLC5A10	A0PJK1	S540	LLTPPPQSVQIENLT	100 / 6 AA	64
Phosphosite 9:	DDX54	Q8TDD1	S486	MLGRVPQSVVDEEDS	100 / 6 AA	99
Phosphosite 10:	MYST4	Q8WYB5	S1118	PRLTKPQSVAIKRKR	71 / 7 AA	231
Phosphosite 11:	RICS	A7KAX9	S326	INQKVPQSVTNSVPK	83 / 6 AA	231
Phosphosite 12:	PRP6	O94906	S372	AVRHLPQSVRIYIRA	62 / 8 AA	107
Phosphosite 13:	PTPN21	Q16825	S602	ITRRVHHSVQTFQED	62 / 8 AA	133
Phosphosite 14:	VCAN	P13611	S1977	SPSTVPTSVHISHIS	62 / 8 AA	373
Phosphosite 15:	TNXA	Q16473	S288	ADGGEPQSVQVDGRA	83 / 6 AA	34
Phosphosite 16:	TNXB	P22105	S3845	ADGGEPQSVQVDGQA	83 / 6 AA	464
Phosphosite 17:	DISP2	A7MBM2	S1312	PSARVPDSVGVSPDD	62 / 8 AA	152
Phosphosite 18:	SLAM	Q13291	S317	ATEPVPESVQETNSI	71 / 7 AA	37
Phosphosite 19:	VCAN	P13611	T1976	TSPSTVPTSVHISHI	71 / 7 AA	373
Phosphosite 20:	DCHS2	Q6V1P9	T2731	QNNVLPQTVQKREAK	62 / 8 AA	322