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:	S321
P-Site Sequence:	VGLVQYSSSVRQEFP
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	S321	VGLVQYSSSVRQEFP	100 / 9 AA	54
Phosphosite 1:	MATN1	P21941	S322	GLVQYSSSVRQEFPL	100 / 8 AA	54
Phosphosite 2:	MITD1	Q8WV92	S189	VLLEVQYSSSIHDRE	75 / 8 AA	29
Phosphosite 3:	C8B	P07358	T484	TDFAYSSTVRQNMKQ	85 / 7 AA	67
Phosphosite 4:	C8B	P07358	S483	ATDFAYSSTVRQNMK	85 / 7 AA	67
Phosphosite 5:	MATN4	O95460	S431	RVGLVQFSSRVRTEF	75 / 8 AA	68
Phosphosite 6:	MATN4	O95460	S432	VGLVQFSSRVRTEFP	75 / 8 AA	68
Phosphosite 7:	KTN1	Q86UP2	S109	LNVVETSSSVRERKK	66 / 9 AA	156
Phosphosite 8:	HMHA1	Q92619	S542	DPGQQYASHVRQLQR	75 / 8 AA	125
Phosphosite 9:	MITD1	Q8WV92	Y188	GVLLEVQYSSSIHDR	85 / 7 AA	29
Phosphosite 10:	MTA3	Q9BTC8	S214	ARALDCSSSVRQPSL	66 / 9 AA	68
Phosphosite 11:	MTA1	Q13330	S231	ARALDCSSSVRQPSL	66 / 9 AA	81
Phosphosite 12:	NRK	Q7Z2Y5	S805	AHHVKFSSSVPQRSL	66 / 9 AA	178
Phosphosite 13:	COL12A1	Q99715	S186	VGVVQYSSDTRTEFN	75 / 8 AA	333
Phosphosite 14:	MTA3	Q9BTC8	S215	RALDCSSSVRQPSLH	75 / 8 AA	68
Phosphosite 15:	MTA1	Q13330	S232	RALDCSSSVRQPSLH	75 / 8 AA	81
Phosphosite 16:	LRFN1	Q9P244	Y458	IRMYQVQYNSSVDDS	85 / 7 AA	82
Phosphosite 17:	MTA2	O94776	S211	ARALDCSSSIRQPSL	55 / 9 AA	75
Phosphosite 18:	TMEM48	Q9BTX1	S344	LLSQYSPSRRQEVFS	75 / 8 AA	76
Phosphosite 19:	CDX2	Q99626	S17	DVSMYPSSVRHSGGL	62 / 8 AA	34
Phosphosite 20:	CDX2	Q99626	S16	KDVSMYPSSVRHSGG	62 / 8 AA	34