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:	MATN1
Human P-Site:	S257
P-Site Sequence:	HEGFTLNSDGKTCNV
UniProt:	P21941
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MATN1	P21941	S257	HEGFTLNSDGKTCNV	100 / 9 AA	54
Phosphosite 1:	SENP2	Q9HC62	S155	SFGFTLNSEGCNRRP	85 / 7 AA	68
Phosphosite 2:	THAP4	Q8WY91	S547	TRKFRLNSEGKLEQT	75 / 8 AA	63
Phosphosite 3:	KIAA0100	Q14667	S168	RSRFLLDSDGKRLIC	75 / 8 AA	254
Phosphosite 4:	ZAP70	P43403	S289	RRIDTLNSDGYTPEP	87 / 8 AA	70
Phosphosite 5:	APOB	P04114	S1421	HKNTFTLSCDGSLRH	71 / 7 AA	516
Phosphosite 6:	MATN2	O00339	S518	PEGHVLRSDGKTCAK	66 / 9 AA	107
Phosphosite 7:	CCDC38	Q502W7	S11	NLLPTLNSGGKVKDG	75 / 8 AA	65
Phosphosite 8:	OIT3	Q8WWZ8	S216	GVGRVLRSDGKTCED	75 / 8 AA	60
Phosphosite 9:	SERPINB1	P30740	T283	FKLEESYTLNSDLAR	83 / 6 AA	43
Phosphosite 10:	SERPINB1	P30740	S286	EESYTLNSDLARLGV	83 / 6 AA	43
Phosphosite 11:	NOL4	O94818	S177	REMGDSNSDGKTGLE	100 / 6 AA	58
Phosphosite 12:	HERC5	Q9UII4	S113	AEHMLILSSDGKPFE	62 / 8 AA	117
Phosphosite 13:	HERC5	Q9UII4	S114	EHMLILSSDGKPFEY	62 / 8 AA	117
Phosphosite 14:	MYCBP2	O75592	S2762	NTLQTLKSDGRMPSS	71 / 7 AA	510
Phosphosite 15:	CACNA1I	Q9P0X4	S1860	TEAFSLNSDRSSSIL	83 / 6 AA	245
Phosphosite 16:	TMEM49	Q96GC9	S401	RIQQRLNSEEKTK__	71 / 7 AA	46
Phosphosite 17:	CAPN8	A6NHC0	S621	KAGFTLNSQVQQTIA	62 / 8 AA	77
Phosphosite 18:	CACNA1I	Q9P0X4	S1857	LAETEAFSLNSDRSS	83 / 6 AA	245
Phosphosite 19:	SLIT1	O75093	S1281	GKHYTLNSEAPLYVG	57 / 7 AA	168
Phosphosite 20:	WDR64	B1ANS9	T241	GGFVNRFTVNSDDFG	83 / 6 AA	124