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:	S257
P-Site Sequence:	QIMPSISSRDVQPVA
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	S257	QIMPSISSRDVQPVA	100 / 9 AA	52
Phosphosite 1:	Smad5	Q99717	S256	PQIMPSISSRDVQPV	100 / 8 AA	52
Phosphosite 2:	HIST3H2BB	Q8N257	S92	NKRSTITSREVQTAV	55 / 9 AA	14
Phosphosite 3:	HIST1H2BA	Q96A08	S93	SKRSTISSREIQTAV	55 / 9 AA	14
Phosphosite 4:	POLR3D	P05423	S45	GRLPSIRSRDLTLGG	75 / 8 AA	44
Phosphosite 5:	SRP54	P61011	T414	ARGSGVSTRDVQELL	55 / 9 AA	56
Phosphosite 6:	STOML2	Q9UJZ1	S336	DSLSSGSSRDVQGTD	100 / 6 AA	39
Phosphosite 7:	PKHD1L1	Q86WI1	S3527	AISHKISSKNVQIKS	71 / 7 AA	466
Phosphosite 8:	SAGE1	Q9NXZ1	S147	AAGIPSMSTRDLHST	62 / 8 AA	99
Phosphosite 9:	PRUNE2	Q8WUY3	S1053	EGSYNLDSRDVQTGM	62 / 8 AA	34
Phosphosite 10:	TOR1AIP1	Q5JTV8	S319	GNQSPSTSSRQVTGQ	75 / 8 AA	66
Phosphosite 11:	SAGE1	Q9NXZ1	S476	GASIPAMSSRDLYAT	62 / 8 AA	99
Phosphosite 12:	Smad5	Q99717	S254	MIPQIMPSISSRDVQ	100 / 6 AA	52
Phosphosite 13:	C21orf2	O43822	S203	RGQFPSLSARDASSS	62 / 8 AA	28
Phosphosite 14:	ZC3HAV1	Q7Z2W4	S469	IQDAGPASRDVQATG	83 / 6 AA	101
Phosphosite 15:	TTBK2	Q6IQ55	S856	VGTSEISSRDIDPHV	71 / 7 AA	137
Phosphosite 16:	IMPDH2	P12268	S160	RLVGIISSRDIDFLK	71 / 7 AA	56
Phosphosite 17:	IL6ST	P40189	S743	SSRPSISSSDENESS	85 / 7 AA	104
Phosphosite 18:	PLEKHG2	Q9H7P9	S1061	PLTKQGGSRDVQGPD	83 / 6 AA	148
Phosphosite 19:	TTBK2	Q6IQ55	S855	TVGTSEISSRDIDPH	83 / 6 AA	137
Phosphosite 20:	LRRC66	Q68CR7	T359	LPRSVRSTRDVQAAG	83 / 6 AA	98