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:	COL4A3
Human P-Site:	S512
P-Site Sequence:	GAAGLKGSPGSPGNT
UniProt:	Q01955
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL4A3	Q01955	S512	GAAGLKGSPGSPGNT	100 / 9 AA	162
Phosphosite 1:	COL4A1	P02462	S1101	GSPGLKGSPGSVGYP	100 / 8 AA	161
Phosphosite 2:	COL1A1	P02452	S543	GAKGLTGSPGSPGPD	88 / 9 AA	139
Phosphosite 3:	AATK	Q6ZMQ8	S1270	PPTFLRGSPGSPSAP	87 / 8 AA	145
Phosphosite 4:	VPS37D	Q86XT2	S228	PVPPLKGSPGCPLGP	87 / 8 AA	28
Phosphosite 5:	COL7A1	Q02388	S1327	GAPGLKGSPGLPGPR	88 / 9 AA	295
Phosphosite 6:	COL1A2	P08123	S401	GPPGLRGSPGSRGLP	77 / 9 AA	129
Phosphosite 7:	COL22A1	Q8NFW1	S994	GEPGLRGSPGLPGPL	77 / 9 AA	161
Phosphosite 8:	COL16A1	Q07092	S1043	GPPGMRGSPGPPGPI	66 / 9 AA	158
Phosphosite 9:	COL21A1	Q96P44	S642	GMPGLMGSNGSPGQP	77 / 9 AA	99
Phosphosite 10:	SPIRE2	Q8WWL2	S54	GCRGLRGSPGRRLRD	66 / 9 AA	80
Phosphosite 11:	COL19A1	Q14993	S1107	SALGLPGSPGAPGPQ	77 / 9 AA	115
Phosphosite 12:	SMEK1	Q6IN85	S768	STTNLPGSPGSPGSP	87 / 8 AA	95
Phosphosite 13:	COL16A1	Q07092	S1199	GPSGLPGSPGPPGPP	77 / 9 AA	158
Phosphosite 14:	COL4A3	Q01955	S431	GSPGLPGSPGPPGPP	77 / 9 AA	162
Phosphosite 15:	COL6A2	P12110	S434	GDPGTKGSPGSDGPK	87 / 8 AA	109
Phosphosite 16:	TET3	O43151	S1414	FNSALKGSPGFQDKL	85 / 7 AA	179
Phosphosite 17:	COL19A1	Q14993	T654	GLPGLPGTPGTPGND	66 / 9 AA	115
Phosphosite 18:	COL4A1	P02462	S656	GAEGLPGSPGFPGPQ	77 / 9 AA	161
Phosphosite 19:	DMGDH	Q9UI17	S22	RSCPLQGSPGRPRSV	75 / 8 AA	97
Phosphosite 20:	COL21A1	Q96P44	S582	GKDGLMGSPGFKGEA	85 / 7 AA	99