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:	ATRX
Human P-Site:	S875
P-Site Sequence:	LKTSQEGSSDDAERK
UniProt:	P46100
Intern. Prot. ID:	IPI00220107

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ATRX	P46100	S875	LKTSQEGSSDDAERK	100 / 9 AA	283
Phosphosite 1:	ATRX	P46100	S876	KTSQEGSSDDAERKQ	100 / 8 AA	283
Phosphosite 2:	RGS3	P49796	S625	SVKLQEGSSEDLKFC	85 / 7 AA	132
Phosphosite 3:	SCN4A	P35499	S1761	YRHSHDGSGDDAPEK	66 / 9 AA	208
Phosphosite 4:	RGS3	P49796	S626	VKLQEGSSEDLKFCV	85 / 7 AA	132
Phosphosite 5:	C3orf49	Q96BT1	S110	ACASQEGSTDHKEAL	85 / 7 AA	33
Phosphosite 6:	RPGRIP1L	Q68CZ1	S1026	PKVSQEGSVDEVKEN	66 / 9 AA	151
Phosphosite 7:	PIK3R5	Q8WYR1	S446	DSRSLEGSSDTALPL	77 / 9 AA	97
Phosphosite 8:	ACRC	Q96QF7	S366	AAVSQHDSSDDAGEQ	77 / 9 AA	76
Phosphosite 9:	SLC46A3	Q7Z3Q1	S454	ELLIQEESSEDASDR	75 / 8 AA	52
Phosphosite 10:	PHF2	O75151	S1008	SQASQEGSSPEPPPE	66 / 9 AA	121
Phosphosite 11:	SLC46A3	Q7Z3Q1	S455	LLIQEESSEDASDR_	75 / 8 AA	52
Phosphosite 12:	ILDR2	Q71H61	S587	QDDQEDASDDALPPY	75 / 8 AA	71
Phosphosite 13:	PRPF4B	Q13523	S520	KVEQESSSDDNLEDF	85 / 7 AA	117
Phosphosite 14:	SEMA3D	O95025	S272	RESSQEGSTSDKTIL	75 / 8 AA	90
Phosphosite 15:	RNF145	Q96MT1	S626	GTRIQEGSRDNNEYI	71 / 7 AA	76
Phosphosite 16:	PRPF4B	Q13523	S518	GMKVEQESSSDDNLE	85 / 7 AA	117
Phosphosite 17:	PRPF4B	Q13523	S519	MKVEQESSSDDNLED	85 / 7 AA	117
Phosphosite 18:	ZNF217	O75362	S321	KESGQEGSTDNDDSS	71 / 7 AA	115
Phosphosite 19:	PGBD1	Q96JS3	S36	VCNSQEGSSHTQEIC	85 / 7 AA	93
Phosphosite 20:	HIVEP3	Q5T1R4	S1826	LEAEEGTSDDLFQDS	71 / 7 AA	259