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:	T277
P-Site Sequence:	GSRTAPYTPNLPHHQ
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	T277	GSRTAPYTPNLPHHQ	100 / 9 AA	60
Phosphosite 1:	Smad4	Q13485	Y276	TGSRTAPYTPNLPHH	100 / 8 AA	60
Phosphosite 2:	DMPK2	Q6DT37	Y352	LASSTAPYIPELRGP	75 / 8 AA	173
Phosphosite 3:	NPAS4	Q8IUM7	T427	LVCTPPYTPHQPGGC	66 / 9 AA	87
Phosphosite 4:	FZD7	O75084	Y184	TAYPTAPYLPDLPFT	75 / 8 AA	64
Phosphosite 5:	MMP1	P03956	T122	TYRIENYTPDLPRAD	83 / 6 AA	54
Phosphosite 6:	MMP10	P09238	T121	TYRIVNYTPDLPRDA	83 / 6 AA	54
Phosphosite 7:	MMP3	P08254	T122	TYRIVNYTPDLPKDA	83 / 6 AA	54
Phosphosite 8:	PTPN22	Q9Y2R2	S325	TLQADSYSPNLPKST	55 / 9 AA	92
Phosphosite 9:	C2orf53	Q53SZ7	S90	APHPYSPSLPSSPTF	71 / 7 AA	45
Phosphosite 10:	ARFGEF1	Q9Y6D6	T385	TPISVAYTPSLPDDR	55 / 9 AA	209
Phosphosite 11:	PKNOX2	Q96KN3	S185	NDLGGPYSPNQPSIN	62 / 8 AA	52
Phosphosite 12:	PEX11G	Q96HA9	T163	RSPTAPFTSPLPRGK	66 / 9 AA	27
Phosphosite 13:	NOT1	A5YKK6	T2147	MRLPDPFTPNLKVDM	71 / 7 AA	241
Phosphosite 14:	FGD6	Q6ZV73	T309	EIHLVPYTPKFPTPK	62 / 8 AA	161
Phosphosite 15:	GABRA1	P14867	T376	APTATSYTPNLARGD	71 / 7 AA	52
Phosphosite 16:	C2orf53	Q53SZ7	S88	DFAPHPYSPSLPSSP	71 / 7 AA	45
Phosphosite 17:	SLAIN2	Q9P270	S201	MSYTSPYSPNASSPY	71 / 7 AA	63
Phosphosite 18:	GABRA1	P14867	Y375	YAPTATSYTPNLARG	71 / 7 AA	52
Phosphosite 19:	ARFGEF1	Q9Y6D6	S387	ISVAYTPSLPDDRLS	83 / 6 AA	209
Phosphosite 20:	SLAIN2	Q9P270	Y200	SMSYTSPYSPNASSP	71 / 7 AA	63