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:	SMAD3
Human P-Site:	S425
P-Site Sequence:	SIRCSSVS_______
UniProt:	P84022
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SMAD3	P84022	S425	SIRCSSVS_______	100 / 5 AA	48
Phosphosite 1:	TRIM4	Q9C037	S477	TFSCSSVSRLRPFFW	100 / 5 AA	57
Phosphosite 2:	GOLGA3	Q08378	S393	RRDSICSSVSLESSA	100 / 5 AA	167
Phosphosite 3:	FRMPD1	Q5SYB0	S714	YSLCSSVSPASYLSD	100 / 5 AA	173
Phosphosite 4:	FRMPD1	Q5SYB0	S712	DYYSLCSSVSPASYL	100 / 5 AA	173
Phosphosite 5:	GOLGA3	Q08378	S392	SRRDSICSSVSLESS	100 / 5 AA	167
Phosphosite 6:	TRIM4	Q9C037	S475	LHTFSCSSVSRLRPF	100 / 5 AA	57
Phosphosite 7:	TRIM4	Q9C037	S474	HLHTFSCSSVSRLRP	100 / 5 AA	57
Phosphosite 8:	SMAD3	P84022	S423	SPSIRCSSVS_____	100 / 5 AA	48
Phosphosite 9:	FRMPD1	Q5SYB0	S711	ADYYSLCSSVSPASY	100 / 5 AA	173
Phosphosite 10:	SMAD3	P84022	S422	GSPSIRCSSVS____	100 / 5 AA	48
Phosphosite 11:	GOLGA3	Q08378	S395	DSICSSVSLESSAAE	100 / 5 AA	167
Phosphosite 12:	GOLGA3	Q08378	S395	DSICSSVSLESSAAE	100 / 2 AA	167
Phosphosite 13:	APC2	O95996	S1166	LSRCSSVSSLGSFES	100 / 5 AA	244
Phosphosite 14:	Wnk3	Q9BYP7	S561	RKPQQHCSSVTGDNL	80 / 5 AA	192
Phosphosite 15:	LAMA3	Q16787	S549	GSYQMPCSSVTGQCE	80 / 5 AA	367
Phosphosite 16:	ZFHX3	Q15911	S2836	KLDNDDCSSVNTAIT	80 / 5 AA	404
Phosphosite 17:	ZFHX3	Q15911	S2837	LDNDDCSSVNTAITD	80 / 5 AA	404
Phosphosite 18:	CdkL2	Q92772	S398	STSLKDCSNVSVDHT	80 / 5 AA	56
Phosphosite 19:	CSMD2	Q7Z408	S1737	TSATQCSSVPEPRYG	80 / 5 AA	380
Phosphosite 20:	AUP1	Q9Y679	S115	LTTCSTVSESEAESA	80 / 5 AA	53