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:	ACTR3
Human P-Site:	S354
P-Site Sequence:	LKLSEELSGGRLKPK
UniProt:	P61158
Intern. Prot. ID:	IPI00028091

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ACTR3	P61158	S354	LKLSEELSGGRLKPK	100 / 9 AA	47
Phosphosite 1:	ACTR3B	Q9P1U1	S354	LRLSEELSGGRIKPK	88 / 9 AA	48
Phosphosite 2:	HDAC1	Q13547	S267	QCGSDSLSGDRLGCF	66 / 9 AA	55
Phosphosite 3:	MDM2	Q00987	S176	EENSDELSGERQRKR	75 / 8 AA	55
Phosphosite 4:	MRGPRX4	Q96LA9	S316	PEESLELSGSRLGP_	77 / 9 AA	36
Phosphosite 5:	MRGPRX1	Q96LB2	S318	EILELSGSRLEQ___	85 / 7 AA	36
Phosphosite 6:	MRGPRX3	Q96LB0	S318	ETLELSGSRLEQ___	85 / 7 AA	36
Phosphosite 7:	MRGPRX3	Q96LB0	S316	PQETLELSGSRLEQ_	85 / 7 AA	36
Phosphosite 8:	MRGPRX1	Q96LB2	S316	PEEILELSGSRLEQ_	85 / 7 AA	36
Phosphosite 9:	MRGPRX4	Q96LA9	S318	ESLELSGSRLGP___	85 / 7 AA	36
Phosphosite 10:	TTC36	A6NLP5	S115	LERAVELSGGRGRAA	100 / 6 AA	21
Phosphosite 11:	TRIM28	Q13263	S828	GLSSQELSGGPGDGP	75 / 8 AA	89
Phosphosite 12:	PHRF1	Q9P1Y6	S450	FDSSEELSANPLSPL	66 / 9 AA	179
Phosphosite 13:	CUL7	Q14999	S286	TSAPEELSGERGQLE	75 / 8 AA	191
Phosphosite 14:	MICALL1	Q8N3F8	S148	AQGEELSSGSLSEQG	75 / 8 AA	93
Phosphosite 15:	ZNF530	Q6P9A1	S76	SVSVEELSQGRTPKA	85 / 7 AA	69
Phosphosite 16:	MICALL1	Q8N3F8	S147	VAQGEELSSGSLSEQ	75 / 8 AA	93
Phosphosite 17:	RIN2	Q8WYP3	S285	KVHSQDLSGGLKRPS	71 / 7 AA	100
Phosphosite 18:	ARID4B	Q4LE39	S1159	SSDSEELSAGESITK	85 / 7 AA	148
Phosphosite 19:	HMCN1	Q96RW7	S2437	SNSVRILSGGRMLRL	83 / 6 AA	613
Phosphosite 20:	ZGPAT	Q8N5A5	S130	GEDEEELSGTKVSAP	62 / 8 AA	57