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:	MATN4
Human P-Site:	S431
P-Site Sequence:	RVGLVQFSSRVRTEF
UniProt:	O95460
Intern. Prot. ID:	IPI00021939

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MATN4	O95460	S431	RVGLVQFSSRVRTEF	100 / 9 AA	68
Phosphosite 1:	MATN4	O95460	S432	VGLVQFSSRVRTEFP	100 / 8 AA	68
Phosphosite 2:	MATN1	P21941	S321	VGLVQYSSSVRQEFP	75 / 8 AA	54
Phosphosite 3:	FAM83H	Q6ZRV2	S679	LNPLVQRSSRLRSSL	77 / 9 AA	127
Phosphosite 4:	CCDC24	Q8N4L8	Y110	QAQAWVQYSPRVLHF	62 / 8 AA	34
Phosphosite 5:	ADAMTS4	O75173	S544	GGGVQFSSRDCTRPV	100 / 6 AA	90
Phosphosite 6:	ADAMTS4	O75173	S543	CGGGVQFSSRDCTRP	100 / 6 AA	90
Phosphosite 7:	CCDC24	Q8N4L8	S111	AQAWVQYSPRVLHFA	62 / 8 AA	34
Phosphosite 8:	KCTD11	Q693B1	S104	SPRLVHFSARRGPHH	71 / 7 AA	26
Phosphosite 9:	ZDHHC11	Q9H8X9	T371	RRLCQFSTRVHPDGG	62 / 8 AA	46
Phosphosite 10:	ABAT	P80404	S431	ARYPQFISRVRGRGT	85 / 7 AA	56
Phosphosite 11:	PIK3C2A	O00443	S1024	ALHDVQFSTRYEHVL	83 / 6 AA	191
Phosphosite 12:	OXA1L	Q15070	S181	PEIQKFSSRIREAKL	83 / 6 AA	49
Phosphosite 13:	OXA1L	Q15070	S180	LPEIQKFSSRIREAK	71 / 7 AA	49
Phosphosite 14:	CGRRF1	Q99675	S53	NSEETQFSTRVFKKQ	71 / 7 AA	38
Phosphosite 15:	RALBP1	Q15311	S353	LSPTVQISNRVLYVF	71 / 7 AA	76
Phosphosite 16:	STX18	Q9P2W9	S51	RPKGDFSSRAREVIS	71 / 7 AA	39
Phosphosite 17:	ANKS3	Q6ZW76	S582	RACQAELSSRVRQDQ	62 / 8 AA	72
Phosphosite 18:	STX18	Q9P2W9	S50	PRPKGDFSSRAREVI	71 / 7 AA	39
Phosphosite 19:	SHH	Q15465	S307	GPRALFASRVRPGQR	83 / 6 AA	50
Phosphosite 20:	MATN1	P21941	S322	GLVQYSSSVRQEFPL	71 / 7 AA	54