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:	COL4A4
Human P-Site:	S749
P-Site Sequence:	GPPGPPGSPGVNGQK
UniProt:	P53420
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL4A4	P53420	S749	GPPGPPGSPGVNGQK	100 / 9 AA	164
Phosphosite 1:	COL6A2	P12110	S404	GNSGAPGSPGVKGAK	77 / 9 AA	109
Phosphosite 2:	COL19A1	Q14993	S1002	GHQGPPGSPGIPGIP	87 / 8 AA	115
Phosphosite 3:	CO3A1	P02461	S916	GNTGAPGSPGVSGPK	77 / 9 AA	139
Phosphosite 4:	COL4A4	P53420	S1173	GIKGPSGSPGLNGLH	77 / 9 AA	164
Phosphosite 5:	COL15A1	P39059	S647	VFMGPPGSPGEDGPA	77 / 9 AA	142
Phosphosite 6:	COL4A2	P08572	S1261	GERGPPGSPGLQGFP	87 / 8 AA	168
Phosphosite 7:	COL4A1	P02462	T1439	GSMGPPGTPSVDHGF	66 / 9 AA	161
Phosphosite 8:	COL12A1	Q99715	S2864	GPPGSPGSPGVTGPS	77 / 9 AA	333
Phosphosite 9:	ISYNA1	Q9NPH2	S473	APLVPPGSPVVNALF	87 / 8 AA	61
Phosphosite 10:	COL1A2	P08123	S914	GPPGAVGSPGVNGAP	77 / 9 AA	129
Phosphosite 11:	COL4A6	Q14031	S883	GLKGSPGSPGVAGLP	87 / 8 AA	164
Phosphosite 12:	COL4A5	P29400	S879	GPIGPPGSPGLPGKA	87 / 8 AA	161
Phosphosite 13:	EMILIN1	Q9Y6C2	S839	GPAGPPGSPGKDGQE	77 / 9 AA	107
Phosphosite 14:	COL4A3	Q01955	S59	GFPGPPGSPGQKGFT	77 / 9 AA	162
Phosphosite 15:	COL1A1	P02452	S1125	GPPGPPGSPGEQGPS	100 / 7 AA	139
Phosphosite 16:	EMID1	Q96A84	S231	GPQGPPGSPGRAGAV	100 / 7 AA	45
Phosphosite 17:	COL4A5	P29400	S461	GPPGPPGSPGDKGLQ	100 / 7 AA	161
Phosphosite 18:	C19orf35	Q6ZS72	S344	QPPGPPGSPGPHAPQ	77 / 9 AA	51
Phosphosite 19:	DNMBP	Q6XZF7	S387	TAGGPPRSPGVEWEM	77 / 9 AA	177
Phosphosite 20:	COL5A2	P05997	S451	GSAGPPGSPGPQGST	100 / 7 AA	145