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:	HECTD3
Human P-Site:	S643
P-Site Sequence:	KDFPAVDSVLVKLLE
UniProt:	Q5T447
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HECTD3	Q5T447	S643	KDFPAVDSVLVKLLE	100 / 9 AA	97
Phosphosite 1:	BMP1	P13497	S953	EVYSAGDSVLVKFHS	77 / 9 AA	111
Phosphosite 2:	PIGG	Q5H8A4	S241	QKLSEMDSVLMKIHT	55 / 9 AA	108
Phosphosite 3:	EXTL3	O43909	S901	YTQFRVDSVLFKTRL	85 / 7 AA	105
Phosphosite 4:	MAMDC2	Q7Z304	Y224	YMYVDSVYVKHFQEV	85 / 7 AA	78
Phosphosite 5:	TTN	Q8WZ42	S21590	PPSEASDSVLMKDAA	75 / 8 AA	3816
Phosphosite 6:	HOOK3	Q86VS8	S541	QGSKAEDSVLLKKKL	75 / 8 AA	83
Phosphosite 7:	ZO3	O95049	S195	VQMKPVKSVLVKRRD	75 / 8 AA	103
Phosphosite 8:	FNDC7	Q5VTL7	S129	VSSPSSDSILVQWEA	55 / 9 AA	78
Phosphosite 9:	C4orf50	Q6ZRC1	S164	LLNPEMDSVLQSSLS	71 / 7 AA	31
Phosphosite 10:	CRYBG3	Q68DQ2	S827	HLEEAVNSVLNKDLH	75 / 8 AA	116
Phosphosite 11:	senataxin	Q7Z333	S655	EPMKVQDSVLIKADN	83 / 6 AA	303
Phosphosite 12:	ERVK5	Q9HDB8	S182	QVSPAVDSDLTESLD	75 / 8 AA	28
Phosphosite 13:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1053	QVSPAVDSDLTESLD	75 / 8 AA	165
Phosphosite 14:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S293	QVSPAVDSDLTESLD	75 / 8 AA	75
Phosphosite 15:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S182	QVSPAVDSDLTESLD	75 / 8 AA	67
Phosphosite 16:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S182	QVSPAVDSDLTESLD	75 / 8 AA	67
Phosphosite 17:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S182	QVSPAVDSDLTESLD	75 / 8 AA	64
Phosphosite 18:	KIF3A	Q9Y496	S87	TARPIIDSVLEGYNG	71 / 7 AA	80
Phosphosite 19:	VIGR	Q86SQ4	S738	ENLSPEDSVLVRRAQ	83 / 6 AA	137
Phosphosite 20:	SOS2	Q07890	S554	TLDRMLDSVLLKEEN	55 / 9 AA	153