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:	S78
P-Site Sequence:	LDGRLQVSHRKGLPH
UniProt:	P84022
Intern. Prot. ID:	IPI00024305

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SMAD3	P84022	S78	LDGRLQVSHRKGLPH	100 / 9 AA	48
Phosphosite 1:	Smad5	Q99717	S79	LDGRLQVSHRKGLPH	100 / 9 AA	52
Phosphosite 2:	SMAD1	Q15797	S78	LDGRLQVSHRKGLPH	100 / 9 AA	52
Phosphosite 3:	Smad2	Q15796	S118	LDGRLQVSHRKGLPH	100 / 9 AA	52
Phosphosite 4:	Smad8	O15198	S82	LDGRLQVSHRKGLPH	100 / 9 AA	52
Phosphosite 5:	CYSLTR2	Q9NS75	S241	PESGLRVSHRKALTT	75 / 8 AA	40
Phosphosite 6:	DGK-I	O75912	S132	LTFRKQVSYRKAISR	66 / 9 AA	117
Phosphosite 7:	SYNGAP1	Q96PV0	S1212	LKERLHMSNRKLEEY	62 / 8 AA	148
Phosphosite 8:	VSIG4	Q9Y279	S89	YQGRLHVSHKVPGDV	71 / 7 AA	44
Phosphosite 9:	FAM123C	Q8N944	S17	IKSSLQVSHEKPPDP	75 / 8 AA	90
Phosphosite 10:	BTBD12	Q8IY92	S1019	RERGLEVSHRLAPWQ	83 / 6 AA	200
Phosphosite 11:	LRRC16B	Q8ND23	S404	NLARNSCSHRKGREA	66 / 9 AA	150
Phosphosite 12:	ROGDI	Q9GZN7	S242	GSQRLEVSHVHKVEC	83 / 6 AA	32
Phosphosite 13:	DGK-I	O75912	Y133	TFRKQVSYRKAISRA	71 / 7 AA	117
Phosphosite 14:	MPP7	Q5T2T1	S313	LVQPLKVSNRKSSGF	62 / 8 AA	66
Phosphosite 15:	RRBP1	Q9P2E9	S872	QVLQLQASHRESEEA	55 / 9 AA	152
Phosphosite 16:	KIAA1614	Q5VZ46	S821	RKTTSPVSHRKAALA	71 / 7 AA	127
Phosphosite 17:	ZNF689	Q96CS4	S194	SYPSLLVSHRRAHSG	62 / 8 AA	57
Phosphosite 18:	SMG1	Q96Q15	S1770	DDPRLHLSHRVEQST	71 / 7 AA	410
Phosphosite 19:	KIF26A	Q9ULI4	S31	PPPLLEVSPRKRLPA	71 / 7 AA	190
Phosphosite 20:	ZNF434	Q9NX65	S104	KFKSLQLSYRKVRRG	71 / 7 AA	55