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:	S485
P-Site Sequence:	TRKLEAVSKRLAILE
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	S485	TRKLEAVSKRLAILE	100 / 9 AA	54
Phosphosite 1:	RC3H1	Q5TC82	S990	LRGLEAVSNRLVLQR	87 / 8 AA	126
Phosphosite 2:	PCTAIRE3	Q07002	S92	RFSMEDVSKRLSLPM	66 / 9 AA	54
Phosphosite 3:	RBM45	Q8IUH3	S247	SRGQEAISKRLSVVS	75 / 8 AA	54
Phosphosite 4:	C3orf37	Q96FZ2	S224	LDGEEAVSKWLDFGE	85 / 7 AA	41
Phosphosite 5:	MAD1L1	Q9Y6D9	S142	QQNLDAASKRLREKE	75 / 8 AA	83
Phosphosite 6:	RP1	P56715	S1529	GIIYEIISKRLATPP	75 / 8 AA	241
Phosphosite 7:	COQ6	Q9Y2Z9	S160	TKQLEAVSDRVTVLY	66 / 9 AA	51
Phosphosite 8:	FLNA	P21333	S61	NEHLKCVSKRIANLQ	66 / 9 AA	281
Phosphosite 9:	AP2A2	O94973	S928	RTSKEAVSQRLCELL	85 / 7 AA	104
Phosphosite 10:	UBN1	Q9NPG3	S677	ASSVEAVSKELAALN	77 / 9 AA	122
Phosphosite 11:	FAM59A	Q9H706	S622	PSAEAVSSRLSWPNH	75 / 8 AA	97
Phosphosite 12:	IRE1	O75460	S46	DGSLHAVSKRTGSIK	85 / 7 AA	110
Phosphosite 13:	ubiquilin 2	Q9UHD9	S62	QQFKEAISKRFKSQT	71 / 7 AA	66
Phosphosite 14:	FAM59A	Q9H706	S621	SPSAEAVSSRLSWPN	75 / 8 AA	97
Phosphosite 15:	MRTO4	Q9UKD2	S93	KDNLHQVSKRLRGEV	75 / 8 AA	28
Phosphosite 16:	C5	P01031	S108	YVYLEVVSKHFSKSK	55 / 9 AA	188
Phosphosite 17:	SPIRE1	Q08AE8	S495	EPVLEAVSTRKKPPK	85 / 7 AA	86
Phosphosite 18:	CUL4A	Q13619	S264	PEYLNHVSKRLEEEG	66 / 9 AA	88
Phosphosite 19:	Sin3A	Q96ST3	S1203	HQSHERVSKRLHQRF	85 / 7 AA	145
Phosphosite 20:	COG4	Q9H9E3	Y46	LQELEAVYERLCGEE	75 / 8 AA	89