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:	SMAD1
Human P-Site:	S191
P-Site Sequence:	FPHSPNSSYPNSPGS
UniProt:	Q15797
Intern. Prot. ID:	IPI00019549

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SMAD1	Q15797	S191	FPHSPNSSYPNSPGS	100 / 9 AA	52
Phosphosite 1:	SMAD1	Q15797	S190	PFPHSPNSSYPNSPG	100 / 8 AA	52
Phosphosite 2:	SMAD1	Q15797	Y192	PHSPNSSYPNSPGSS	100 / 8 AA	52
Phosphosite 3:	CDK5R1	Q15078	S72	SKKVQPNSSYQNNIT	85 / 7 AA	34
Phosphosite 4:	CDK5R1	Q15078	S73	KKVQPNSSYQNNITH	75 / 8 AA	34
Phosphosite 5:	CDK5R1	Q15078	Y74	KVQPNSSYQNNITHL	75 / 8 AA	34
Phosphosite 6:	SGK269	Q9H792	S1546	AEPSPTSSYPTRLIV	75 / 8 AA	193
Phosphosite 7:	ADAMTS13	Q76LX8	T615	KMSISPNTTYPSLLE	71 / 7 AA	154
Phosphosite 8:	ADAMTS13	Q76LX8	T616	MSISPNTTYPSLLED	71 / 7 AA	154
Phosphosite 9:	Smad5	Q99717	S191	PFPLSPNSPYPPSPA	85 / 7 AA	52
Phosphosite 10:	SGK269	Q9H792	S1545	PAEPSPTSSYPTRLI	75 / 8 AA	193
Phosphosite 11:	BUB1	O43683	Y761	LSKPVSSYPNTFEWQ	75 / 8 AA	122
Phosphosite 12:	BUB1	O43683	S760	GLSKPVSSYPNTFEW	75 / 8 AA	122
Phosphosite 13:	ETV1	P50549	S179	SQSIPDSSYPMDHRF	83 / 6 AA	55
Phosphosite 14:	ETV1	P50549	Y180	QSIPDSSYPMDHRFR	83 / 6 AA	55
Phosphosite 15:	AGBL4	Q5VU57	Y483	LRGPASNYPNSKGDK	75 / 8 AA	62
Phosphosite 16:	ETV1	P50549	S178	PSQSIPDSSYPMDHR	83 / 6 AA	55
Phosphosite 17:	SGK269	Q9H792	T1544	GPAEPSPTSSYPTRL	85 / 7 AA	193
Phosphosite 18:	SPIB	Q01892	Y34	DSCKHSSYPDSEGAP	71 / 7 AA	29
Phosphosite 19:	PHF21A	Q96BD5	S451	TPTSPQSSHPDSPEN	66 / 9 AA	75
Phosphosite 20:	LRRC8A	Q8IWT6	T80	AAPGPEPTYPNSTIL	55 / 9 AA	94