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:	S1224
P-Site Sequence:	TSGPVTTSKSSSLGS
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	S1224	TSGPVTTSKSSSLGS	100 / 9 AA	348
Phosphosite 1:	PCNX	Q96RV3	S719	SIKPLTTSKSDLEAK	85 / 7 AA	259
Phosphosite 2:	ZNF654	Q8IZM8	S366	QTISLPVSTSKSRKE	85 / 7 AA	66
Phosphosite 3:	PCNX	Q96RV3	T717	PESIKPLTTSKSDLE	85 / 7 AA	259
Phosphosite 4:	CPEB3	Q8NE35	S218	GHQPIMTSKPSSSSA	66 / 9 AA	76
Phosphosite 5:	ZNF654	Q8IZM8	S368	ISLPVSTSKSRKEST	85 / 7 AA	66
Phosphosite 6:	HERC1	Q15751	S2637	AQTPVTTSPSASSTT	77 / 9 AA	532
Phosphosite 7:	PLCL4	O75038	S1200	DLPPVTKSKSNPNLR	75 / 8 AA	68
Phosphosite 8:	PI5PA	Q15735	S400	APAPVTTSSSTSTLS	77 / 9 AA	107
Phosphosite 9:	SNAP91	O60641	T342	SAAVPVSTSKPSSDL	75 / 8 AA	93
Phosphosite 10:	PLCL4	O75038	T1198	RPDLPPVTKSKSNPN	85 / 7 AA	68
Phosphosite 11:	PHF3	Q92576	T1663	AGRSQPVTTSESKDG	85 / 7 AA	229
Phosphosite 12:	SERTAD4	Q9NUC0	T70	RGISNPITTSKITYF	83 / 6 AA	39
Phosphosite 13:	FBF1	Q8TES7	S170	KQPPVTQSKTASDKS	66 / 9 AA	125
Phosphosite 14:	C5orf36	Q8IV33	S310	AVRVVKTSKSSSKHR	87 / 8 AA	38
Phosphosite 15:	CCDC126	Q96EE4	T128	SGNLVPVTTNKRTNV	71 / 7 AA	16
Phosphosite 16:	PHF3	Q92576	S1665	RSQPVTTSESKDGDS	85 / 7 AA	229
Phosphosite 17:	FOXC1	Q12948	S439	SLPPVTSSSSSSLSH	77 / 9 AA	57
Phosphosite 18:	HTT	P42858	S1226	GPVTTSKSSSLGSFY	100 / 7 AA	348
Phosphosite 19:	GPRIN1	Q7Z2K8	T619	EKGSPVTTTKADPRA	71 / 7 AA	102
Phosphosite 20:	GPRIN1	Q7Z2K8	T618	LEKGSPVTTTKADPR	71 / 7 AA	102