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:	Smad4
Human P-Site:	T174
P-Site Sequence:	EGQPSLSTEGHSIQT
UniProt:	Q13485
Intern. Prot. ID:	IPI00013404

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad4	Q13485	T174	EGQPSLSTEGHSIQT	100 / 9 AA	60
Phosphosite 1:	Smad4	Q13485	S173	FEGQPSLSTEGHSIQ	100 / 8 AA	60
Phosphosite 2:	PTCH1	Q13635	T1327	RDAFEISTEGHSGPS	85 / 7 AA	161
Phosphosite 3:	DSEL	Q8IZU8	S844	EGSKKSLSSEGHHMD	85 / 7 AA	139
Phosphosite 4:	SEMA3B	Q13214	T212	GQRPSLRTEPHDSRW	75 / 8 AA	83
Phosphosite 5:	CTTNBP2	Q8WZ74	S1480	TWNKPDLSTEGMKNK	85 / 7 AA	181
Phosphosite 6:	PPP1R15B	Q5SWA1	S286	WQGCPPLSTEGLPEI	85 / 7 AA	79
Phosphosite 7:	Cdc42EP1	Q00587	T148	DSSPTSSTDGHSSYG	66 / 9 AA	40
Phosphosite 8:	Proline-rich protein 23A	A6NEV1	S207	ALAPNPSSEGHSPGP	66 / 9 AA	28
Phosphosite 9:	SGSM1	Q2NKQ1	S788	EHSEPSLSTEDSVLD	85 / 7 AA	130
Phosphosite 10:	DBF4B	Q8NFT6	S562	RVRVPSLSTAGPIPR	75 / 8 AA	67
Phosphosite 11:	CMYA3	A4UGR9	S2155	NGFLPSLSTEKIKAE	100 / 6 AA	382
Phosphosite 12:	Smad4	Q13485	S171	HDFEGQPSLSTEGHS	100 / 6 AA	60
Phosphosite 13:	CMYA3	A4UGR9	S2153	EKNGFLPSLSTEKIK	100 / 6 AA	382
Phosphosite 14:	IL6ST	P40189	T721	FKKEKINTEGHSSGI	71 / 7 AA	104
Phosphosite 15:	SGSM1	Q2NKQ1	S786	LSEHSEPSLSTEDSV	100 / 6 AA	130
Phosphosite 16:	LPHN3	Q9HAR2	S692	KLEVARLSTEGNLED	62 / 8 AA	162
Phosphosite 17:	PIK3R5	Q8WYR1	T184	AVANKLSTPGHSPHS	85 / 7 AA	97
Phosphosite 18:	AHNAK2	Q8IVF2	T5129	LPKHDLSTEGDSRGC	85 / 7 AA	617
Phosphosite 19:	B4GALNT1	Q00973	S241	TADTVRFSTEGHEAA	83 / 6 AA	59
Phosphosite 20:	LPHN3	Q9HAR2	T693	LEVARLSTEGNLEDL	62 / 8 AA	162