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:	T8
P-Site Sequence:	MSSILPFTPPIVKRL
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	T8	MSSILPFTPPIVKRL	100 / 9 AA	48
Phosphosite 1:	Smad2	Q15796	T8	MSSILPFTPPVVKRL	88 / 9 AA	52
Phosphosite 2:	SPEN	Q96T58	T3284	QLQGLPLTPPVVVTH	75 / 8 AA	402
Phosphosite 3:	NUP35	Q8NFH5	T265	SSPSLAFTPPIKTLG	85 / 7 AA	35
Phosphosite 4:	ACF	Q9NQ94	T499	NPAIHPFTPPKLSAF	85 / 7 AA	65
Phosphosite 5:	TMEM131	Q92545	T1441	SSLELPYTPPLESKQ	71 / 7 AA	201
Phosphosite 6:	TMEM131	Q92545	Y1440	PSSLELPYTPPLESK	71 / 7 AA	201
Phosphosite 7:	TBC1D25	Q3MII6	T166	TTAALPFTQSILTQV	62 / 8 AA	76
Phosphosite 8:	QSER1	Q2KHR3	T1114	TDIYLPYTPPSSESC	71 / 7 AA	190
Phosphosite 9:	C7orf43	Q8WVR3	T351	STPKLPFTQSIYTHY	71 / 7 AA	63
Phosphosite 10:	QSER1	Q2KHR3	Y1113	GTDIYLPYTPPSSES	83 / 6 AA	190
Phosphosite 11:	BIRC1	Q13075	S1398	QKWILPFSPIIQK__	75 / 8 AA	160
Phosphosite 12:	TARBP1	Q13395	S411	ETKILPFSPEFSEFI	83 / 6 AA	182
Phosphosite 13:	MOCS2	O96007	S20	LETKLPLSPPLVEDS	62 / 8 AA	21
Phosphosite 14:	AHI1	Q8N157	S888	YSDLPFKSPIRDISY	71 / 7 AA	137
Phosphosite 15:	HERC2P3	Q9BVR0	T989	NVNNLPFTEPMLSVW	62 / 8 AA	129
Phosphosite 16:	HERC2	O95714	T2276	NVNNLPFTEPMLSVW	62 / 8 AA	527
Phosphosite 17:	Gab2	Q9UQC2	S543	IDELPFKSPITKSWS	62 / 8 AA	74
Phosphosite 18:	SGIP1	Q9BQI5	S486	GDVSRPFSPPIHSSS	83 / 6 AA	89
Phosphosite 19:	C1orf103	Q5T3J3	T301	QDNLQPFTPSLVPVK	71 / 7 AA	85
Phosphosite 20:	GTF3C4	Q9UKN8	T757	CKEILPFTDRKQAVC	100 / 5 AA	92