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:	S69
P-Site Sequence:	TTNGAHPSKCVTIQR
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	S69	TTNGAHPSKCVTIQR	100 / 9 AA	60
Phosphosite 1:	Smad5	Q99717	S63	LSSPGQPSKCVTIPR	75 / 8 AA	52
Phosphosite 2:	Smad8	O15198	S66	LSCPGQPSKCVTIPR	75 / 8 AA	52
Phosphosite 3:	CHAF1B	Q13112	S481	QNTKAHPSRRVTLNT	75 / 8 AA	61
Phosphosite 4:	FCHO2	Q0JRZ9	T563	YFKGADPTKCIVKIT	62 / 8 AA	89
Phosphosite 5:	SMAD1	Q15797	S62	LSCPGQPSNCVTIPR	62 / 8 AA	52
Phosphosite 6:	GANC	Q8TET4	S854	DQRGHYPSKCVVEKI	66 / 9 AA	104
Phosphosite 7:	ZNF222	Q9UK12	S425	DHSGENPSKCEDCGK	71 / 7 AA	52
Phosphosite 8:	ZNF223	Q9UK11	S456	NHSGENPSKCEDCGK	71 / 7 AA	56
Phosphosite 9:	ZNF155	Q12901	S512	DYSGENPSKCEDCGR	71 / 7 AA	62
Phosphosite 10:	NASP	P49321	S706	PTDGASSSNCVTDIS	66 / 9 AA	85
Phosphosite 11:	VARS	P26640	S1085	RMPQAPPSLCVTPYP	75 / 8 AA	140
Phosphosite 12:	MTMR4	Q9NYA4	S803	DSMLGVPSKCVLDHS	100 / 5 AA	133
Phosphosite 13:	HIVEP1	P15822	S2141	HMKSKAHSKKCVDLG	71 / 7 AA	297
Phosphosite 14:	bFGF	P09038	S227	EDGRLLASKCVTDEC	83 / 6 AA	173
Phosphosite 15:	MLLT4	P55196	S1309	QEHLNHSSKSVTPAS	71 / 7 AA	207
Phosphosite 16:	C5	P01031	S407	ETSDLDPSKSVTRVD	71 / 7 AA	188
Phosphosite 17:	PWWP2A	Q96N64	S643	KVFSKNVSKCVTPDG	71 / 7 AA	82
Phosphosite 18:	KSR2	Q6VAB6	S203	SQSPRVPSKCVQHYC	100 / 5 AA	108
Phosphosite 19:	PWWP2A	Q96N64	T647	KNVSKCVTPDGRTIC	100 / 5 AA	82
Phosphosite 20:	MLLT4	P55196	S1311	HLNHSSKSVTPASTL	71 / 7 AA	207