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:	S44
P-Site Sequence:	FVIDSSRSVRPFEFE
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	S44	FVIDSSRSVRPFEFE	100 / 9 AA	68
Phosphosite 1:	MATN3	O15232	S93	FIIDSSRSVRPLEFT	88 / 9 AA	53
Phosphosite 2:	MATN1	P21941	S51	FVVDSSRSVRPVEFE	100 / 8 AA	54
Phosphosite 3:	DNAJB5	O75953	S117	IFFASSRSTRPFSGF	77 / 9 AA	39
Phosphosite 4:	DNAJB5	O75953	T118	FFASSRSTRPFSGFD	87 / 8 AA	39
Phosphosite 5:	CPSF1	Q10570	S356	LITDGMRSVRAFHFD	66 / 9 AA	161
Phosphosite 6:	DENND2C	Q68D51	S860	RKSHTSRSVRHFLDL	66 / 9 AA	107
Phosphosite 7:	MATN1	P21941	S285	FLIDGSKSVRPENFE	75 / 8 AA	54
Phosphosite 8:	MATN4	O95460	S396	LLVDGSKSVRPQNFE	75 / 8 AA	68
Phosphosite 9:	FSIP2	Q5CZC0	S783	RLSNSPRSGRPFPPI	66 / 9 AA	370
Phosphosite 10:	PIK3R6	Q5UE93	T514	PSLDTSRTVDPFILD	66 / 9 AA	84
Phosphosite 11:	DENND4A	Q7Z401	S1154	QRMNSSFSVKPFEKT	66 / 9 AA	209
Phosphosite 12:	C20orf117	O94964	S566	SKPDPSRSFRPYRAE	66 / 9 AA	160
Phosphosite 13:	GAS2L1	Q99501	S15	IAGSAAKSVRPFRSS	62 / 8 AA	73
Phosphosite 14:	CYP11A1	P05108	S44	GAGISTRSPRPFNEI	75 / 8 AA	60
Phosphosite 15:	PTPRS	Q13332	T1835	ARDGQSRTVRQFQFT	71 / 7 AA	217
Phosphosite 16:	PTPRD	P23468	T1799	ARDGQSRTVRQFQFT	71 / 7 AA	215
Phosphosite 17:	AGC1	P16112	S807	PSEEPFPSVRPFPSV	55 / 9 AA	250
Phosphosite 18:	UBP1	Q9NZI7	S425	YNSLKSRSVRPRLTI	100 / 6 AA	60
Phosphosite 19:	CRTC2	Q53ET0	S97	SPLDSSRSTRHHGLV	66 / 9 AA	73
Phosphosite 20:	SYNPO2L	Q9H987	S467	APSIFNRSARPFTPG	71 / 7 AA	102