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:	S1707
P-Site Sequence:	DTLSRKKSARFKSDS
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	S1707	DTLSRKKSARFKSDS	100 / 9 AA	217
Phosphosite 1:	AVPI1	Q5T686	S126	YLHSRKKSARIRRNW	77 / 9 AA	17
Phosphosite 2:	ACOXL	Q9NUZ1	S225	HSPIRNKSARFNAML	75 / 8 AA	62
Phosphosite 3:	SVIL	O95425	S652	PGESRKTSERFRTQP	66 / 9 AA	248
Phosphosite 4:	SVIL	O95425	T651	SPGESRKTSERFRTQ	75 / 8 AA	248
Phosphosite 5:	Scavenger receptor cysteine-rich domain-containing protein LOC284297	A1L4H1	S174	QNASRKKSPRPKQAK	77 / 9 AA	116
Phosphosite 6:	Siglec-9	Q9Y336	S377	VRSCRKKSARPAAGV	85 / 7 AA	50
Phosphosite 7:	SIGLEC7	Q9Y286	S383	VRSCRKKSARPAADV	85 / 7 AA	51
Phosphosite 8:	SIGLEC8	Q9NYZ4	S391	VRSCRKKSARPAAGV	85 / 7 AA	54
Phosphosite 9:	SIGLEC12	Q96PQ1	S509	VRSCRKKSARPAVGV	85 / 7 AA	65
Phosphosite 10:	C19orf44	Q9H6X5	S519	TAESRKKSGRHVTRV	75 / 8 AA	71
Phosphosite 11:	CTTNBP2	Q8WZ74	S1466	NTSPRRKSGRFSLPT	62 / 8 AA	181
Phosphosite 12:	SHROOM4	Q9ULL8	S585	SIQNRRKSERFATNL	62 / 8 AA	166
Phosphosite 13:	CYB5R3	P00387	S230	EELRNKHSARFKLWY	85 / 7 AA	34
Phosphosite 14:	FAM120A	Q9NZB2	T623	LAESRKKTERLAFRK	62 / 8 AA	122
Phosphosite 15:	DNAH2	Q9P225	S4374	PAESRKKSAKGMYSC	85 / 7 AA	508
Phosphosite 16:	CHGB	P05060	S617	LLHYRKKSAEFPDFY	85 / 7 AA	78
Phosphosite 17:	RASA3	Q14644	S530	GSLSKSKSASFKESY	66 / 9 AA	96
Phosphosite 18:	FAM161A	Q3B820	T352	FLKYKKKTNRFKARP	62 / 8 AA	77
Phosphosite 19:	ZBED4	O75132	S118	NMSSRKKSPAWKHFF	66 / 9 AA	130
Phosphosite 20:	EIF2C1	Q9UL18	S654	LLIQFYKSTRFKPTR	83 / 6 AA	97