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:	S187
P-Site Sequence:	QTIQHPPSNRASTET
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	S187	QTIQHPPSNRASTET	100 / 9 AA	60
Phosphosite 1:	NFYC	Q13952	S356	LPTTHPPSHRAGASC	75 / 8 AA	50
Phosphosite 2:	ATF4	P18848	S237	GSPQHSPSTRGSPNR	66 / 9 AA	39
Phosphosite 3:	ATRIP	Q8WXE1	S31	PGTGHPPSKRARGFS	85 / 7 AA	86
Phosphosite 4:	FAM167A	Q96KS9	S94	EAGQHPPSARSASQG	85 / 7 AA	24
Phosphosite 5:	EPS15	P42566	S311	TPEMIPPSDRASLQK	85 / 7 AA	99
Phosphosite 6:	SHROOM2	Q13796	S983	GSQQHPPSQKAPNPP	75 / 8 AA	176
Phosphosite 7:	IKZF2	Q9UKS7	S342	PLMQHPPSTIAEVAP	75 / 8 AA	60
Phosphosite 8:	SEC23A	Q15436	S226	QVQQPPPSNRFLQPV	85 / 7 AA	86
Phosphosite 9:	C11orf64	Q8NCQ3	S59	IQWPHVPSNRGSKAN	75 / 8 AA	11
Phosphosite 10:	CLIC6	Q96NY7	S566	LGTQHPESNSAGNDV	66 / 9 AA	73
Phosphosite 11:	PDCD11	Q14690	S1362	HVSQHSPSKKALYNK	62 / 8 AA	209
Phosphosite 12:	MDN1	Q9NU22	S2401	VYVCSQHSPANRKLV	71 / 7 AA	633
Phosphosite 13:	4432412L15Rik	A6NDB9	S110	TGAQHKPSGRPSWRR	66 / 9 AA	72
Phosphosite 14:	CKAP2	Q8WWK9	S15	QDLQLPPSQRAQSAF	75 / 8 AA	77
Phosphosite 15:	TTC17	Q96AE7	S967	LDHLHGVSNRASLHY	75 / 8 AA	130
Phosphosite 16:	ATF7	P17544	S193	VITQAPPSNRQMGSP	85 / 7 AA	53
Phosphosite 17:	AK3L1	P27144	S132	RRWIHPPSGRVYNLD	71 / 7 AA	25
Phosphosite 18:	NKPD1	Q17RQ9	S570	SASRAPPSGRASGQA	85 / 7 AA	68
Phosphosite 19:	OBFC2B	Q9BQ15	S176	HTPSHPPSTRITRSQ	62 / 8 AA	22
Phosphosite 20:	KIAA0409	O43159	S58	SLSQHPPSLCISDSE	66 / 9 AA	51