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:	S1092
P-Site Sequence:	GPKGEPGSPGCPGHF
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	S1092	GPKGEPGSPGCPGHF	100 / 9 AA	164
Phosphosite 1:	COL4A3	Q01955	S603	GPPGDPGSPGSPGPA	77 / 9 AA	162
Phosphosite 2:	COL2A1	P02458	T397	GPRGEPGTPGSPGPA	77 / 9 AA	142
Phosphosite 3:	CO3A1	P02461	S131	GIPGQPGSPGSPGPP	77 / 9 AA	139
Phosphosite 4:	COL4A4	P53420	S1055	GDQGEPGSPGPPGFS	88 / 9 AA	164
Phosphosite 5:	PLEKHG3	A1L390	S690	VNGMEPPSPGCPVEP	87 / 8 AA	134
Phosphosite 6:	COL4A3	Q01955	S419	DAMGTPGSPGCAGSP	77 / 9 AA	162
Phosphosite 7:	COL4A5	P29400	S864	GPPGERGSPGIPGAP	77 / 9 AA	161
Phosphosite 8:	COL4A1	P02462	T973	GSRGDPGTPGVPGKD	66 / 9 AA	161
Phosphosite 9:	COL4A3	Q01955	S857	GFPGETGSPGIPGHQ	77 / 9 AA	162
Phosphosite 10:	COL4A6	Q14031	S701	GSKGEPGSPGLVHLP	100 / 7 AA	164
Phosphosite 11:	COL4A3	Q01955	S1105	GPEGAPGSPGSPGLP	77 / 9 AA	162
Phosphosite 12:	COL28A1	Q2UY09	S758	GEIGEPGSPGKQGLQ	100 / 7 AA	117
Phosphosite 13:	COL10A1	Q03692	S471	GSKGDPGSPGPPGPA	77 / 9 AA	66
Phosphosite 14:	COL21A1	Q96P44	S591	GFKGEAGSPGAPGQD	77 / 9 AA	99
Phosphosite 15:	COL2A1	P02458	T157	GRDGEPGTPGNPGPP	77 / 9 AA	142
Phosphosite 16:	COL1A1	P02452	S291	GPKGEPGSPGENGAP	100 / 7 AA	139
Phosphosite 17:	CO3A1	P02461	S193	GTSGHPGSPGSPGYQ	77 / 9 AA	139
Phosphosite 18:	SPNS2	Q8IVW8	T77	GPPGTPGTPGCAATA	66 / 9 AA	58
Phosphosite 19:	COL4A4	P53420	S1217	GERGDPGSPGISPPG	75 / 8 AA	164
Phosphosite 20:	SMEK1	Q6IN85	S777	GSPGSPGSPGSPGSV	77 / 9 AA	95