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:	S259
P-Site Sequence:	YTEEFNVSCLTDSNA
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	S259	YTEEFNVSCLTDSNA	100 / 9 AA	97
Phosphosite 1:	ITIH1	P19827	T539	EGQEFSITCLVDEEE	55 / 9 AA	101
Phosphosite 2:	TTN	Q8WZ42	S22346	LENEFTVSGLTEDAA	66 / 9 AA	3816
Phosphosite 3:	FRMPD3	Q5JV73	S1404	SDPESGVSCLTTCAS	75 / 8 AA	199
Phosphosite 4:	ITIH1	P19827	S537	HGEGQEFSITCLVDE	57 / 7 AA	101
Phosphosite 5:	CCDC159	P0C7I6	S20	LPRDPDYSVSCLYSP	57 / 7 AA	46
Phosphosite 6:	CCDC159	P0C7I6	S22	RDPDYSVSCLYSPPS	57 / 7 AA	46
Phosphosite 7:	POFUT2	Q9Y2G5	S191	ETRGLNVSCLSVQGS	62 / 8 AA	50
Phosphosite 8:	SHIP	Q92835	S755	FYLEFHSSCLESFVK	71 / 7 AA	133
Phosphosite 9:	SHIP	Q92835	S754	KFYLEFHSSCLESFV	71 / 7 AA	133
Phosphosite 10:	RARS2	Q5T160	T487	GYLNDFNTACLQEPQ	57 / 7 AA	66
Phosphosite 11:	HSPA8	P11142	S208	GGGTFDVSILTIEDG	71 / 7 AA	71
Phosphosite 12:	WDR16	Q8N1V2	S68	QGHGNNVSCLAISRS	83 / 6 AA	68
Phosphosite 13:	ZNF85	Q03923	S187	GKSFGMISCLTEHSR	66 / 6 AA	69
Phosphosite 14:	UTP14A	Q9BVJ6	S77	KVSEFNVSSEGSGEK	83 / 6 AA	88
Phosphosite 15:	HEATR5A	Q86XA9	T187	KAARSCLTDRSMAVR	100 / 5 AA	222
Phosphosite 16:	Cyclin H	P51946	S121	KVDEFNVSSPQFVGN	83 / 6 AA	38
Phosphosite 17:	FAM55A	Q8N323	S266	TTRNREVSYLTDKEN	83 / 6 AA	63
Phosphosite 18:	ZNF586	Q9NXT0	S101	RKLFKNKSCLTEPRR	71 / 7 AA	46
Phosphosite 19:	C10orf71	Q711Q0	S30	DDADREVSSLTDRAF	55 / 9 AA	156
Phosphosite 20:	IFRD2	Q12894	T85	KEYVDCLTDKSAKTR	83 / 6 AA	48