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:	Y276
P-Site Sequence:	TGSRTAPYTPNLPHH
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	Y276	TGSRTAPYTPNLPHH	100 / 9 AA	60
Phosphosite 1:	Smad4	Q13485	T277	GSRTAPYTPNLPHHQ	100 / 8 AA	60
Phosphosite 2:	DMPK2	Q6DT37	Y352	LASSTAPYIPELRGP	66 / 9 AA	173
Phosphosite 3:	FZD7	O75084	Y184	TAYPTAPYLPDLPFT	75 / 8 AA	64
Phosphosite 4:	RAD54B	Q9Y620	Y258	CKPRHDPYTPNSLVM	75 / 8 AA	103
Phosphosite 5:	PPP1R16B	Q96T49	Y528	IGGRTSPYSSNGTSV	62 / 8 AA	64
Phosphosite 6:	TPR	P12270	S2136	DEDRTVPSTPTLVVP	66 / 9 AA	267
Phosphosite 7:	NOT1	A5YKK6	T2147	MRLPDPFTPNLKVDM	71 / 7 AA	241
Phosphosite 8:	SLAIN2	Q9P270	S201	MSYTSPYSPNASSPY	71 / 7 AA	63
Phosphosite 9:	GABRA1	P14867	Y375	YAPTATSYTPNLARG	71 / 7 AA	52
Phosphosite 10:	CSN3	P07498	Y45	FYQKTAPYVPMYYVP	71 / 7 AA	20
Phosphosite 11:	PITRM1	Q5JRX3	T872	YVGECIRTVPYTDPD	83 / 6 AA	117
Phosphosite 12:	GABRA1	P14867	T376	APTATSYTPNLARGD	83 / 6 AA	52
Phosphosite 13:	SLAIN2	Q9P270	Y200	SMSYTSPYSPNASSP	71 / 7 AA	63
Phosphosite 14:	NPAS4	Q8IUM7	Y426	DLVCTPPYTPHQPGG	71 / 7 AA	87
Phosphosite 15:	ZFYVE20	Q9H1K0	T588	PSSTAPKTPSLSSTQ	75 / 8 AA	89
Phosphosite 16:	PITRM1	Q5JRX3	Y875	ECIRTVPYTDPDHAS	83 / 6 AA	117
Phosphosite 17:	dyskerin	O60832	T67	DKLNVRTTHYTPLAC	71 / 7 AA	58
Phosphosite 18:	NPAS4	Q8IUM7	T427	LVCTPPYTPHQPGGC	71 / 7 AA	87
Phosphosite 19:	DPYD	Q12882	Y1011	MVSRTTPYEPKRGVP	62 / 8 AA	111
Phosphosite 20:	ZMYND8	Q9ULU4	T370	SPFRTPYTPNSQYQM	83 / 6 AA	132