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:	Smad8
Human P-Site:	S60
P-Site Sequence:	DELERALSCPGQPSK
UniProt:	O15198
Intern. Prot. ID:	IPI00005223

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad8	O15198	S60	DELERALSCPGQPSK	100 / 9 AA	52
Phosphosite 1:	SMAD1	Q15797	S56	EELEKALSCPGQPSN	88 / 9 AA	52
Phosphosite 2:	Smad5	Q99717	S57	EELEKALSSPGQPSK	77 / 9 AA	52
Phosphosite 3:	C5orf25	Q8NDZ2	S229	SCPPRALSCPSQTMQ	87 / 8 AA	97
Phosphosite 4:	WDFY3	Q8IZQ1	S664	LLVAMERSLSCPPKN	85 / 7 AA	395
Phosphosite 5:	WDFY3	Q8IZQ1	S666	VAMERSLSCPPKNGW	85 / 7 AA	395
Phosphosite 6:	LAMB2	P55268	S1654	AGAERALSSAGERAR	66 / 9 AA	196
Phosphosite 7:	ARID3C	A6NKF2	S208	ECETRALSSPGELQA	75 / 8 AA	44
Phosphosite 8:	RUSC2	Q8N2Y8	S519	GSLERMLSCPVRLSE	66 / 9 AA	161
Phosphosite 9:	Smad5	Q99717	S58	ELEKALSSPGQPSKC	75 / 8 AA	52
Phosphosite 10:	ARID3C	A6NKF2	S209	CETRALSSPGELQAA	75 / 8 AA	44
Phosphosite 11:	ATAD2	Q6PL18	T695	PASQRAVTSPGQALS	55 / 9 AA	159
Phosphosite 12:	CaMKK2	Q96RR4	S511	RREERSLSAPGNLLT	75 / 8 AA	65
Phosphosite 13:	TRIM3	O75382	S114	VVAGRPLSCPNHEGK	62 / 8 AA	81
Phosphosite 14:	SOX18	P35713	S358	KLGPRAMSCPEESSL	62 / 8 AA	41
Phosphosite 15:	ZNF821	O75541	S161	VCGRALSSPGSLGRH	85 / 7 AA	47
Phosphosite 16:	ZNF821	O75541	S160	PVCGRALSSPGSLGR	85 / 7 AA	47
Phosphosite 17:	EXPH5	Q8NEV8	S1124	FLINRAMSCPSGEPH	71 / 7 AA	223
Phosphosite 18:	ZNF774	Q6NX45	S348	HSGERPFSCPDCHKS	62 / 8 AA	55
Phosphosite 19:	ZNF398	Q8TD17	S540	HTGERPFSCPHCGKS	71 / 7 AA	71
Phosphosite 20:	SLC37A1	P57057	S518	RLIHKELSCPGSATG	71 / 7 AA	58