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:	S59
P-Site Sequence:	GFPGPPGSPGQKGFT
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	S59	GFPGPPGSPGQKGFT	100 / 9 AA	162
Phosphosite 1:	COL19A1	Q14993	S302	GLPGAPGSPGQKGHK	88 / 9 AA	115
Phosphosite 2:	COL4A5	P29400	S461	GPPGPPGSPGDKGLQ	88 / 9 AA	161
Phosphosite 3:	COL11A2	P13942	S1439	GLPGPQGSPGQKGEM	88 / 9 AA	172
Phosphosite 4:	CCBE1	Q6UXH8	S260	GGQGPPGSPGPKGSP	88 / 9 AA	44
Phosphosite 5:	COL5A3	P25940	S780	GEEGPPGSAGEKGKL	77 / 9 AA	172
Phosphosite 6:	FCN3	O75636	S52	SCPGAPGSPGEKGAP	77 / 9 AA	33
Phosphosite 7:	COL22A1	Q8NFW1	T1343	GEPGPSGTPGQKGSK	77 / 9 AA	161
Phosphosite 8:	COL15A1	P39059	S647	VFMGPPGSPGEDGPA	77 / 9 AA	142
Phosphosite 9:	COL1A1	P02452	S1125	GPPGPPGSPGEQGPS	77 / 9 AA	139
Phosphosite 10:	COL27A1	Q8IZC6	T1280	GDPGPPGTPGPKGSR	77 / 9 AA	187
Phosphosite 11:	RNF222	A6NCQ9	S128	GQARPPGSPGQSAQL	100 / 7 AA	24
Phosphosite 12:	COL14A1	Q05707	S1734	GSPGPPGSPGPRGPP	77 / 9 AA	194
Phosphosite 13:	COL4A1	P02462	S1077	GIAGFPGSPGEKGEK	77 / 9 AA	161
Phosphosite 14:	COL16A1	Q07092	S350	GLPGPPGSKGEKGAR	77 / 9 AA	158
Phosphosite 15:	EMID1	Q96A84	S231	GPQGPPGSPGRAGAV	87 / 8 AA	45
Phosphosite 16:	COL5A1	P20908	S1088	GPPGPAGSPGERGPA	66 / 9 AA	184
Phosphosite 17:	COL11A2	P13942	S1016	GPPGPAGSPGERGAA	66 / 9 AA	172
Phosphosite 18:	COL4A4	P53420	S749	GPPGPPGSPGVNGQK	77 / 9 AA	164
Phosphosite 19:	EMILIN1	Q9Y6C2	S839	GPAGPPGSPGKDGQE	87 / 8 AA	107
Phosphosite 20:	COL11A2	P13942	S506	GPLGQPGSPGLKGES	77 / 9 AA	172