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:	T231
P-Site Sequence:	SSLSKQQTSTPVLTQ
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	T231	SSLSKQQTSTPVLTQ	100 / 9 AA	217
Phosphosite 1:	ARHGAP21	Q5T5U3	T233	LSKQQTSTPVLTQPG	100 / 7 AA	217
Phosphosite 2:	MYCBP2	O75592	S1363	SKGKQQTSEPVHILK	87 / 8 AA	510
Phosphosite 3:	FAM44A	Q8NFC6	S659	REHKRRTSTPVIMEG	75 / 8 AA	330
Phosphosite 4:	FAM44A	Q8NFC6	T658	EREHKRRTSTPVIME	75 / 8 AA	330
Phosphosite 5:	ANK1	P16157	T1876	MKHSKDHTSTPNP__	75 / 8 AA	206
Phosphosite 6:	MKL2	Q9ULH7	S376	NTPRQNTSTPVRKPG	75 / 8 AA	118
Phosphosite 7:	MKL2	Q9ULH7	T375	PNTPRQNTSTPVRKP	75 / 8 AA	118
Phosphosite 8:	MKL2	Q9ULH7	T377	TPRQNTSTPVRKPGP	85 / 7 AA	118
Phosphosite 9:	DHX16	O60231	T155	TGGSKQQTEKPESED	75 / 8 AA	119
Phosphosite 10:	MUC5B	Q9HC84	T4285	TLPEQTTTPVATMST	71 / 7 AA	590
Phosphosite 11:	NKTR	P30414	T955	WKSSKQRTSTSDSEG	75 / 8 AA	166
Phosphosite 12:	MUC5B	Q9HC84	T4283	TGTLPEQTTTPVATM	71 / 7 AA	590
Phosphosite 13:	SH3YL1	Q96HL8	S249	PLSRPQQSSAPVQLN	71 / 7 AA
Phosphosite 14:	PASK	Q96RG2	T874	LNVQVTSTPVIVMRG	85 / 7 AA	143
Phosphosite 15:	ZMYND8	Q9ULU4	T541	ESVQQQSTPVPLISP	85 / 7 AA	132
Phosphosite 16:	TBC1D23	Q9NUY8	S513	ISFIENTSTPVDRMS	71 / 7 AA	78
Phosphosite 17:	HOOK2	Q96ED9	T441	ADPSLDPTSTPVDNL	66 / 9 AA	83
Phosphosite 18:	Endogenous retrovirus group K member 11 Pol protein	Q9UQG0	S235	ASDKIQTSTPFHYLG	85 / 7 AA	110
Phosphosite 19:	HERV-K_1q23.3 provirus ancestral Pol protein	Q9QC07	S235	ASDKIQTSTPFHYLG	85 / 7 AA	92
Phosphosite 20:	ERVK6	Q9BXR3	S235	ASDKIQTSTPFHYLG	85 / 7 AA	108