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:	Smad4
Human P-Site:	S227
P-Site Sequence:	ASTSQPASILGGSHS
UniProt:	Q13485
Intern. Prot. ID:	IPI00013404

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Smad4	Q13485	S227	ASTSQPASILGGSHS	100 / 9 AA	60
Phosphosite 1:	NCoA5	Q9HCD5	S486	ASGNQPPSILGQGGS	75 / 8 AA	66
Phosphosite 2:	UBOX5	O94941	S477	TGSEQPGSILGPECA	85 / 7 AA	59
Phosphosite 3:	CPVL	Q9H3G5	S244	DGYSDPESIIGGYAE	66 / 9 AA	54
Phosphosite 4:	CCDC76	Q9NUP7	S169	KHLKQQASILGNIEN	85 / 7 AA	54
Phosphosite 5:	PLEKHG4B	Q96PX9	S1205	SSSSQSSSILGSLGL	75 / 8 AA	140
Phosphosite 6:	PLEKHG4B	Q96PX9	S1204	SSSSSQSSSILGSLG	75 / 8 AA	140
Phosphosite 7:	SMC2L1	O95347	S673	GARSQAASILTKFQE	85 / 7 AA	136
Phosphosite 8:	BSN	Q9UPA5	S2214	PITTQPASVLRPMVR	71 / 7 AA	416
Phosphosite 9:	PHLDB1	Q86UU1	S377	GALSQPTSIPGSPKF	66 / 9 AA	151
Phosphosite 10:	OSBPL1A	Q9BXW6	S469	VKGSPPASILSEDEF	75 / 8 AA	108
Phosphosite 11:	TET2	Q6N021	S894	EQKSQQASVLQGYKN	66 / 9 AA	224
Phosphosite 12:	PHLDB1	Q86UU1	T376	SGALSQPTSIPGSPK	75 / 8 AA	151
Phosphosite 13:	MSP	P26927	S455	CADDQPPSILDPPDQ	71 / 7 AA	80
Phosphosite 14:	EIF2C2	Q9UKV8	S417	GRVLQPPSILYGGRN	75 / 8 AA	97
Phosphosite 15:	MTMR4	Q9NYA4	S797	PQQAQPDSMLGVPSK	62 / 8 AA	133
Phosphosite 16:	MLL2	O14686	S4438	VPASSPESILGEEAP	75 / 8 AA	564
Phosphosite 17:	GIT2	Q14161	S85	HSLLDPASIMSGRRK	62 / 8 AA	85
Phosphosite 18:	DCST2	Q5T1A1	S728	PEAHQPVSILTSPEP	83 / 6 AA	86
Phosphosite 19:	WBP11	Q9Y2W2	S165	LPGAQPPSILKKTSA	71 / 7 AA	70
Phosphosite 20:	GDF5	P43026	S276	PSGRQPASLLDVRSV	62 / 8 AA	55