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:	S285
P-Site Sequence:	FLIDGSKSVRPENFE
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	S285	FLIDGSKSVRPENFE	100 / 9 AA	54
Phosphosite 1:	MATN4	O95460	S396	LLVDGSKSVRPQNFE	88 / 9 AA	68
Phosphosite 2:	MATN4	O95460	S394	LVLLVDGSKSVRPQN	100 / 7 AA	68
Phosphosite 3:	CACNA1H	O95180	S2287	PFLDGSHSVTPESRA	77 / 9 AA	259
Phosphosite 4:	MATN3	O15232	S93	FIIDSSRSVRPLEFT	75 / 8 AA	53
Phosphosite 5:	MATN4	O95460	S44	FVIDSSRSVRPFEFE	75 / 8 AA	68
Phosphosite 6:	RASA3	Q14644	S274	PRDNGSKSLKPDDLG	55 / 9 AA	96
Phosphosite 7:	MATN1	P21941	S51	FVVDSSRSVRPVEFE	75 / 8 AA	54
Phosphosite 8:	BTN1A1	Q13410	S324	FLYEDSKSVRLEDSR	66 / 9 AA	59
Phosphosite 9:	NEK1	Q96PY6	S980	SKCDVDKSVQPEPFF	66 / 9 AA	143
Phosphosite 10:	CASP8AP2	Q9UKL3	S1610	KNVDGSKSTHEEQSS	66 / 9 AA	223
Phosphosite 11:	LYST	Q99698	S1516	SSFDGTESDRPEGAE	66 / 9 AA	429
Phosphosite 12:	NUMB	P49757	S450	WLEEVSKSVRAQQPQ	55 / 9 AA	71
Phosphosite 13:	DOCK11	Q5JSL3	S133	FRMLPCKSLRPEKIP	71 / 7 AA	238
Phosphosite 14:	BRWD1	Q9NSI6	S1307	RVHDGKKSIRATNYV	62 / 8 AA	263
Phosphosite 15:	PIP	P12273	S45	KNFDIPKSVRPNDEV	66 / 9 AA	17
Phosphosite 16:	CSPP1	Q1MSJ5	S1174	IGDDGSNSVATEPWL	66 / 9 AA	142
Phosphosite 17:	PSMD3	O43242	S274	AEKLVSKSVFPEQAN	85 / 7 AA	61
Phosphosite 18:	ADCY5	O95622	S6	__MSGSKSVSPPGYA	85 / 7 AA	139
Phosphosite 19:	RIMS1	Q86UR5	S508	LSSDQSESVRPSPPK	75 / 8 AA	189
Phosphosite 20:	RIMS2	Q9UQ26	S521	LSSDQSESVRPPPPK	75 / 8 AA	160