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:	HTT
Human P-Site:	S535
P-Site Sequence:	EEDILSHSSSQVSAV
UniProt:	P42858
Intern. Prot. ID:	IPI00002335

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HTT	P42858	S535	EEDILSHSSSQVSAV	100 / 9 AA	348
Phosphosite 1:	EXPH5	Q8NEV8	S1503	TNKTLSHSESQVFAL	77 / 9 AA	223
Phosphosite 2:	ADCYAP1R1	P41586	S452	QLSILSKSSSQIRMS	77 / 9 AA	53
Phosphosite 3:	PACS2	Q86VP3	S329	YFEGLSHSSSQTEIG	87 / 8 AA	98
Phosphosite 4:	HBA1	P69905	S53	HFDLSHGSAQVKGHG	75 / 8 AA	15
Phosphosite 5:	PACS2	Q86VP3	S330	FEGLSHSSSQTEIGS	87 / 8 AA	98
Phosphosite 6:	HTT	P42858	S533	GDEEDILSHSSSQVS	100 / 7 AA	348
Phosphosite 7:	Slc9a10	Q4G0N8	T60	SFEVLSFTSSQVQRY	66 / 9 AA	135
Phosphosite 8:	GPR124	Q96PE1	S796	ITYILNHSSIRVSRK	66 / 9 AA	143
Phosphosite 9:	GRIN3	Q6ZVF9	S212	AARVVSHSSSPVGGP	66 / 9 AA	82
Phosphosite 10:	GLULD1	Q5TDP6	S317	DSGILSHSLWDVDRK	66 / 9 AA	57
Phosphosite 11:	ZXDB	P98169	S297	VHLLTHSSSQGQRPF	85 / 7 AA	85
Phosphosite 12:	ZXDA	P98168	S293	MHLLTHSSSQGQRPF	85 / 7 AA	85
Phosphosite 13:	ZNF823	P16415	S370	KQCGKVLSHSSSFRS	85 / 7 AA	70
Phosphosite 14:	PIK3C2G	O75747	S32	LFVNQPHSSSQVSLG	85 / 7 AA	166
Phosphosite 15:	KIAA1602	Q9HCH0	S423	RPGHPHSSSQVKSKL	85 / 7 AA	139
Phosphosite 16:	KIAA1602	Q9HCH0	S424	PGHPHSSSQVKSKLQ	100 / 6 AA	139
Phosphosite 17:	PIK3C2G	O75747	S34	VNQPHSSSQVSLGFD	85 / 7 AA	166
Phosphosite 18:	ZNF823	P16415	S372	CGKVLSHSSSFRSHM	85 / 7 AA	70
Phosphosite 19:	KIAA1602	Q9HCH0	S422	SRPGHPHSSSQVKSK	85 / 7 AA	139
Phosphosite 20:	PIK3C2G	O75747	S33	FVNQPHSSSQVSLGF	100 / 6 AA	166