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:	S419
P-Site Sequence:	ESGGRSRSGSIVELI
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	S419	ESGGRSRSGSIVELI	100 / 9 AA	348
Phosphosite 1:	PTPMT1	Q8WUK0	S139	CKAGRSRSATMVAAY	66 / 9 AA	23
Phosphosite 2:	SORCS3	Q9UPU3	S737	CALGRDHSGSVVSEP	66 / 9 AA	136
Phosphosite 3:	SFRS7	Q16629	S181	ASLRRSRSGSIKGSR	100 / 7 AA	27
Phosphosite 4:	DOCK5	Q9H7D0	T1654	TERKQSRTGSIVLPY	75 / 8 AA	215
Phosphosite 5:	SFRS18	Q8TF01	S508	EKEKQGRSRSGSSSS	100 / 7 AA	93
Phosphosite 6:	DOCK5	Q9H7D0	S1656	RKQSRTGSIVLPYIM	85 / 7 AA	215
Phosphosite 7:	PDZD2	O15018	S2374	PPIGRRSSGSIVSGS	77 / 9 AA	302
Phosphosite 8:	SFRS18	Q8TF01	S510	EKQGRSRSGSSSSGS	100 / 7 AA	93
Phosphosite 9:	HTT	P42858	S417	KEESGGRSRSGSIVE	100 / 7 AA	348
Phosphosite 10:	SPTY2D1	Q68D10	S497	SGPGRSISGSIPAGR	87 / 8 AA	76
Phosphosite 11:	SRRM2	Q9UQ35	S704	PRRGRSRSRSLVRRG	77 / 9 AA	300
Phosphosite 12:	PEF1	Q9UBV8	S198	QQYDRDRSGSISYTE	75 / 8 AA	30
Phosphosite 13:	SRRM2	Q9UQ35	S1101	PKGGRSRSSSPVTEL	77 / 9 AA	300
Phosphosite 14:	TMEM151B	Q8IW70	S492	SCLWRSRSGSVNEAS	85 / 7 AA	62
Phosphosite 15:	BCORL1	Q5H9F3	S1229	STRTRSQSGSICSSF	75 / 8 AA	183
Phosphosite 16:	GAPVD1	Q14C86	S902	ERLVRSRSSDIVSSV	75 / 8 AA	165
Phosphosite 17:	GAPVD1	Q14C86	S903	RLVRSRSSDIVSSVR	75 / 8 AA	165
Phosphosite 18:	DHX35	Q9H5Z1	S399	GRGGRSRSGKCYRLY	100 / 6 AA	79
Phosphosite 19:	NCRNA00174	Q52M62	S56	FLPVGGRSRPGSCPS	85 / 7 AA	22
Phosphosite 20:	STXBP5L	Q9Y2K9	S818	NSYNRSRSSSISSID	75 / 8 AA	132