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:	S456
P-Site Sequence:	KVLTQMGSPLNPISS
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	S456	KVLTQMGSPLNPISS	100 / 9 AA	52
Phosphosite 1:	SMAD1	Q15797	S456	KVLTQMGSPHNPISS	88 / 9 AA	52
Phosphosite 2:	Smad8	O15198	S458	KVLTQMGSPHNPISS	88 / 9 AA	52
Phosphosite 3:	CENPI	Q92674	S365	ELPSQMGSVLNNSLL	75 / 8 AA	87
Phosphosite 4:	EP300	Q09472	S2271	LLQQQMGSPVQPNPM	75 / 8 AA	264
Phosphosite 5:	SMAD3	P84022	S416	KVLTQMGSPSIRCSS	100 / 6 AA	48
Phosphosite 6:	Smad2	Q15796	S458	KVLTQMGSPSVRCSS	100 / 6 AA	52
Phosphosite 7:	ONECUT3	O60422	S197	KELPAMGSPLSPLPN	85 / 7 AA	50
Phosphosite 8:	RGAG4	Q5HYW3	S211	ISVTQEGSPLHANFP	66 / 9 AA	65
Phosphosite 9:	FAM48B1	Q3ZLR7	S487	FPPQQAGSPLKPAAP	75 / 8 AA	89
Phosphosite 10:	eIF2B-epsilon	Q13144	S610	FPLQQMDSPLDSSRY	62 / 8 AA	80
Phosphosite 11:	AARS2	Q5JTZ9	S655	PGTEQQGSHLNPEQL	75 / 8 AA	107
Phosphosite 12:	JMJD2C	Q9H3R0	S8	MEVAEVESPLNPSCK	55 / 9 AA	120
Phosphosite 13:	PTP1B	P18031	S352	PIKEEKGSPLNAAPY	62 / 8 AA	50
Phosphosite 14:	ZCCHC24	Q8N2G6	S65	GRPEQLGSPLHSSYL	71 / 7 AA	27
Phosphosite 15:	KIAA1904	Q5R3F8	S668	SKYIEKGSPLNSPLD	55 / 9 AA	90
Phosphosite 16:	PSPC1	Q8WXF1	S477	GPPSQMGSPMGSRTG	55 / 9 AA	59
Phosphosite 17:	CPEB3	Q8NE35	S75	PDKMQMESPLLPGLS	75 / 8 AA	76
Phosphosite 18:	SLAIN1	Q8ND83	S240	QGYTSRGSPLSPQSS	66 / 9 AA	61
Phosphosite 19:	DTX4	Q9Y2E6	S273	PTGTTMGSPASPPGP	66 / 9 AA	67
Phosphosite 20:	LARP2	Q659C4	S340	PNSPRIGSPLSPKKN	62 / 8 AA	105