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:	S820
P-Site Sequence:	TTDALPESSTCSSTL
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	S820	TTDALPESSTCSSTL	100 / 9 AA	97
Phosphosite 1:	HECTD3	Q5T447	S821	TDALPESSTCSSTLF	100 / 8 AA	97
Phosphosite 2:	IGF1R	P08069	S1365	ALPLPQSSTC_____	85 / 7 AA	155
Phosphosite 3:	IGF1R	P08069	S1364	RALPLPQSSTC____	75 / 8 AA	155
Phosphosite 4:	CCNB3	Q8WWL7	S1036	EPLALQESPTCKEDT	75 / 8 AA	158
Phosphosite 5:	DENND4C	Q5VZ89	S874	VSCHLPDSRTCMSES	71 / 7 AA	187
Phosphosite 6:	VPS13B	Q7Z7G8	T1276	IGTAPPDTSTCSPSA	66 / 9 AA	449
Phosphosite 7:	DTNBP1	Q96EV8	S275	PALGPESSTCQNEIT	100 / 6 AA	39
Phosphosite 8:	DTNBP1	Q96EV8	S274	SPALGPESSTCQNEI	100 / 6 AA	39
Phosphosite 9:	POLQ	O75417	S78	NPCALLHSSTCSLTH	77 / 9 AA	198
Phosphosite 10:	STARD9	Q9P2P6	S2953	REFRLTESSTCEPST	85 / 7 AA	507
Phosphosite 11:	PROP1	O75360	T151	SSFLPESTACPYSYA	62 / 8 AA	25
Phosphosite 12:	PROP1	O75360	S150	FSSFLPESTACPYSY	62 / 8 AA	25
Phosphosite 13:	ZNF563	Q8TA94	S265	CSKALPDSSSYIRHE	62 / 8 AA	55
Phosphosite 14:	CCDC52	Q8N0Z3	S793	PGAEAPESSKCSTVS	85 / 7 AA	96
Phosphosite 15:	UBE3B	Q7Z3V4	T1032	EPGGRLPTSSTCFNL	85 / 7 AA	123
Phosphosite 16:	UBE3B	Q7Z3V4	S1034	GGRLPTSSTCFNLLK	85 / 7 AA	123
Phosphosite 17:	UBE3B	Q7Z3V4	S1033	PGGRLPTSSTCFNLL	85 / 7 AA	123
Phosphosite 18:	CCDC52	Q8N0Z3	S794	GAEAPESSKCSTVSP	85 / 7 AA	96
Phosphosite 19:	STARD9	Q9P2P6	S2954	EFRLTESSTCEPSTV	85 / 7 AA	507
Phosphosite 20:	USP36	Q9P275	S989	QDAVVPESSSCAPSA	62 / 8 AA	123