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:	S193
P-Site Sequence:	ATLRQIASEPQDEHV
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	S193	ATLRQIASEPQDEHV	100 / 9 AA	54
Phosphosite 1:	MATN4	O95460	S538	AELREIASEPAELHV	66 / 9 AA	68
Phosphosite 2:	ZNF407	Q9C0G0	S994	DKKEQISSEPEDFAQ	75 / 8 AA	247
Phosphosite 3:	RALBP1	Q15311	S509	FLRRQIASEKEEIER	66 / 9 AA	76
Phosphosite 4:	MATN1	P21941	S424	DELREIASEPVAEHY	85 / 7 AA	54
Phosphosite 5:	Pxdn	Q92626	S250	CERPRITSEPQDADV	75 / 8 AA	167
Phosphosite 6:	FAM186B	Q8IYM0	S473	ESSRQVTSESQEEPW	55 / 9 AA	104
Phosphosite 7:	AL7A	Q9Y615	S49	VWVRHTSSEPQEPTE	55 / 9 AA	49
Phosphosite 8:	COL6A3	P12111	S190	GALKEIASEPLNMHM	55 / 9 AA	344
Phosphosite 9:	FAM128A	Q6P582	S87	CAGQRLASEPQDPAA	85 / 7 AA	16
Phosphosite 10:	FAM128B	Q6NZ67	S87	CAGQRLASEPQDPAA	85 / 7 AA	16
Phosphosite 11:	BTBD12	Q8IY92	S1002	SEPSQITSEPEEQSG	55 / 9 AA	200
Phosphosite 12:	FAM186B	Q8IYM0	T472	LESSRQVTSESQEEP	62 / 8 AA	104
Phosphosite 13:	AL7A	Q9Y615	S48	AVWVRHTSSEPQEPT	62 / 8 AA	49
Phosphosite 14:	Smad4	Q13485	S242	EGLLQIASGPQPGQQ	85 / 7 AA	60
Phosphosite 15:	ZNF511	Q8NB15	S138	DSLFQILSERQDMYQ	75 / 8 AA	29
Phosphosite 16:	C330043M08Rik	Q4G0A6	S219	MSGPIASSPQDSFHR	85 / 7 AA	84
Phosphosite 17:	C330043M08Rik	Q4G0A6	S218	MMSGPIASSPQDSFH	85 / 7 AA	84
Phosphosite 18:	CLIM1	O00151	S108	PYKMNLASEPQEVLH	71 / 7 AA	36
Phosphosite 19:	MYO16	Q9Y6X6	S1720	PSTSEITSETQDRNA	55 / 9 AA	206
Phosphosite 20:	Wnk2	Q9Y3S1	S1702	RDGRQVASDSHVVPS	50 / 8 AA	243