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:	Smad5
Human P-Site:	T221
P-Site Sequence:	PFQLPADTPPPAYMP
UniProt:	Q99717
Intern. Prot. ID:	IPI00017730

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad5	Q99717	T221	PFQLPADTPPPAYMP	100 / 9 AA	52
Phosphosite 1:	SMAD1	Q15797	T222	PFQMPADTPPPAYLP	88 / 9 AA	52
Phosphosite 2:	PPFIA3	O75145	T714	GPAIPGDTPPPTPRS	66 / 9 AA	133
Phosphosite 3:	ATXN7L2	Q5T6C5	T540	TSPLPANTPSPSFSK	66 / 9 AA	77
Phosphosite 4:	NOS1AP	O75052	T439	RFLPPEDTPPPAQGE	87 / 8 AA	56
Phosphosite 5:	ZFHX2	Q9C0A1	T248	VLSLPAATPPPPPQP	87 / 8 AA	152
Phosphosite 6:	MSH6	P52701	T1085	VILLPEDTPPFLELK	85 / 7 AA	153
Phosphosite 7:	MYO15A	Q9UKN7	T1027	DPQLPAETKPPTPAP	66 / 9 AA	395
Phosphosite 8:	FOXK2	Q01167	T648	VIALSVDTPPAAVRE	66 / 9 AA	69
Phosphosite 9:	ZFYVE19	Q96K21	T236	GRVLPSQTPQPAHHT	66 / 9 AA	52
Phosphosite 10:	POU3F3	P20264	T488	VGTVSADTPPPHHGL	75 / 8 AA	50
Phosphosite 11:	SRCAP	Q6ZRS2	T2512	CTPPPAHTPPPAQTC	87 / 8 AA	344
Phosphosite 12:	FOXN1	O15353	T497	DSPLPAHTPPSHSAK	85 / 7 AA	69
Phosphosite 13:	KRBA1	A5PL33	S769	PPELPSESPPPELPP	55 / 9 AA	108
Phosphosite 14:	CNGA4	Q8IV77	T235	ILTTVGDTPPPAREE	85 / 7 AA	66
Phosphosite 15:	TXNDC11	Q6PKC3	S964	TPQLPGSSPPPANVS	66 / 9 AA	111
Phosphosite 16:	KIAA0256	Q93073	T914	PSKLPFDTPPIGKQP	85 / 7 AA	122
Phosphosite 17:	JPH3	Q8WXH2	T487	FPTSPAATPPPAPAA	87 / 8 AA	81
Phosphosite 18:	SYVN1	Q86TM6	S342	RASLPAQSPPPPEPA	75 / 8 AA	68
Phosphosite 19:	ZCCHC8	Q6NZY4	T472	QPPLPPDTPPLPRGT	85 / 7 AA	79
Phosphosite 20:	DOCK1	Q14185	T1844	PPPLPSKTPPPPPPK	75 / 8 AA	215