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:	S457
P-Site Sequence:	EEALEDDSESRSDVS
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	S457	EEALEDDSESRSDVS	100 / 9 AA	348
Phosphosite 1:	ESF1	Q9H501	S243	KDALEEDSESVSEIG	77 / 9 AA	99
Phosphosite 2:	HTT	P42858	S459	ALEDDSESRSDVSSS	100 / 7 AA	348
Phosphosite 3:	NKTR	P30414	S1309	TPSRDDDSQSRSPSR	75 / 8 AA	166
Phosphosite 4:	ARHGAP14	O43295	S39	FKCLEQQSESRLQLL	75 / 8 AA	125
Phosphosite 5:	TTN	Q8WZ42	T33231	AEEYEDDTERRSPTP	66 / 9 AA	3816
Phosphosite 6:	PSD2	Q9BQI7	S93	DLNILEDSAESRPWR	75 / 8 AA	85
Phosphosite 7:	SNRK	Q9NRH2	S548	SETSDDDSESRRRLD	85 / 7 AA	84
Phosphosite 8:	TP53BP1	Q12888	S36	SQVLEDDSGSHFSML	75 / 8 AA	214
Phosphosite 9:	Rb-like 2	Q08999	S1110	GILLEDGSESPAKRI	66 / 9 AA	128
Phosphosite 10:	UNC13C	Q8NB66	S709	HSDLQDDSESYDLTQ	85 / 7 AA	251
Phosphosite 11:	CLSPN	Q9HAW4	T867	QFCLEDDTQSQLLDA	62 / 8 AA	151
Phosphosite 12:	NKTR	P30414	S1311	SRDDDSQSRSPSRSR	85 / 7 AA	166
Phosphosite 13:	PCDHGC5	Q9Y5F6	S639	RALLEDDSDTQQVVV	62 / 8 AA	102
Phosphosite 14:	SH3BP5	O60239	S316	NFVSEDDSETQSVSS	75 / 8 AA	50
Phosphosite 15:	UBE2O	Q9C0C9	S738	SDEWEDDSDSWETDN	62 / 8 AA	141
Phosphosite 16:	GATA6	Q92908	S385	ADLLEDLSESRECVN	87 / 8 AA	60
Phosphosite 17:	ITPKA	P23677	S145	EDDLLSDSESRSRGN	77 / 9 AA	51
Phosphosite 18:	SLAIN1	Q8ND83	S261	TSELEDDSISMGYKL	66 / 9 AA	61
Phosphosite 19:	FLJ20309	Q53TQ3	S366	SDDDDAESRSSRVTQ	85 / 7 AA	98
Phosphosite 20:	RBM27	Q9P2N5	Y1053	DDEDEDEYESRSWRR	75 / 8 AA	119