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:	S578
P-Site Sequence:	PDSAVTPSDSSEIVL
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	S578	PDSAVTPSDSSEIVL	100 / 9 AA	348
Phosphosite 1:	BSDC1	Q9NW68	S277	PPAEVTPSESSESIS	87 / 8 AA	47
Phosphosite 2:	CCPG1	Q9ULG6	T33	MLNSVTPTDSCEPAP	75 / 8 AA	87
Phosphosite 3:	HIVEP2	P31629	S1987	VTQLMTPSDSCEDTQ	75 / 8 AA	269
Phosphosite 4:	KIF1B	O60333	S1561	FESAITPSESSGYDS	75 / 8 AA	204
Phosphosite 5:	LOC375337	Q8N9V7	S92	RRGQVSPSDSSDPRG	75 / 8 AA	191
Phosphosite 6:	TACC2	O95359	S2248	EAGEVTPSDSGGQED	85 / 7 AA	309
Phosphosite 7:	ZRANB3	Q5FWF4	S501	EAWTPNDSSEELRKE	85 / 7 AA	123
Phosphosite 8:	HIVEP2	P31629	S1989	QLMTPSDSCEDTQMT	85 / 7 AA	269
Phosphosite 9:	TACC2	O95359	T2246	APEAGEVTPSDSGGQ	100 / 6 AA	309
Phosphosite 10:	BAT2L1	Q5JSZ5	S601	VSPAVAQSNSSEEEA	66 / 9 AA	166
Phosphosite 11:	BSDC1	Q9NW68	S279	AEVTPSESSESISLV	85 / 7 AA	47
Phosphosite 12:	SETD5	Q9C0A6	S1146	HLEAVSPSDSRGTSS	85 / 7 AA	158
Phosphosite 13:	SETD5	Q9C0A6	S1144	MSHLEAVSPSDSRGT	85 / 7 AA	158
Phosphosite 14:	senataxin	Q7Z333	S2513	ASLYHTPSDSKEITL	85 / 7 AA	303
Phosphosite 15:	TMEM70	Q9BUB7	S86	VRFLNTPSDKSEDGR	85 / 7 AA	29
Phosphosite 16:	senataxin	Q7Z333	S2515	LYHTPSDSKEITLTV	85 / 7 AA	303
Phosphosite 17:	HK3	P52790	S30	LPGPSDSSELVQECL	100 / 6 AA	99
Phosphosite 18:	HK3	P52790	S29	GLPGPSDSSELVQEC	100 / 6 AA	99
Phosphosite 19:	KRBA1	A5PL33	T135	PHLATTPTDSSCSSG	75 / 8 AA	108
Phosphosite 20:	PLA2G4B	P0C869	S31	SKDLVTPSDCYVTLW	83 / 6 AA	114