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:	S199
P-Site Sequence:	PYPPSPASSTYPNSP
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	S199	PYPPSPASSTYPNSP	100 / 9 AA	52
Phosphosite 1:	Smad5	Q99717	S200	YPPSPASSTYPNSPA	100 / 8 AA	52
Phosphosite 2:	Smad5	Q99717	T201	PPSPASSTYPNSPAS	100 / 7 AA	52
Phosphosite 3:	Egr1	P18146	S480	SFSSPGSSTYPSPVH	87 / 8 AA	58
Phosphosite 4:	Egr1	P18146	S479	TSFSSPGSSTYPSPV	87 / 8 AA	58
Phosphosite 5:	Egr1	P18146	T463	TSYPSPATTSYPSPV	66 / 9 AA	58
Phosphosite 6:	HDAC4	P56524	S636	RAQSSPASATFPVSV	75 / 8 AA	119
Phosphosite 7:	RTN4	Q9NQC3	S114	SWDPSPVSSTVPAPS	77 / 9 AA	130
Phosphosite 8:	Egr1	P18146	T481	FSSPGSSTYPSPVHS	85 / 7 AA	58
Phosphosite 9:	YY1AP1	Q9H869	S564	VMMPSPASSMFRKPY	75 / 8 AA	88
Phosphosite 10:	CYP27B1	O15528	S355	TAALSPGSSAYPSAT	75 / 8 AA	57
Phosphosite 11:	EIF5A2	Q9GZV4	Y18	DAGASSTYPMQCSAL	100 / 6 AA	17
Phosphosite 12:	EIF5A2	Q9GZV4	S16	TGDAGASSTYPMQCS	100 / 6 AA	17
Phosphosite 13:	NACAP1	Q9BZK3	S116	DVYKSPASDTYMVFG	85 / 7 AA	23
Phosphosite 14:	NIPBL	Q6KC79	S140	MHSSPASSNYQQTTI	75 / 8 AA	316
Phosphosite 15:	NACA	Q13765	S117	DVYKSPASDTYIVFG	85 / 7 AA	23
Phosphosite 16:	Smad5	Q99717	Y202	PSPASSTYPNSPASS	100 / 6 AA	52
Phosphosite 17:	PRUNE	Q86TP1	S331	LKLTPASSTHPNLHA	75 / 8 AA	50
Phosphosite 18:	PRUNE	Q86TP1	S330	PLKLTPASSTHPNLH	75 / 8 AA	50
Phosphosite 19:	SMAD1	Q15797	S200	PNSPGSSSSTYPHSP	66 / 9 AA	52
Phosphosite 20:	ZNF526	Q8TF50	S300	RTAHSPASATHPFHC	75 / 8 AA	74