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:	S847
P-Site Sequence:	GLPGYPGSPGAPGGK
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	S847	GLPGYPGSPGAPGGK	100 / 9 AA	164
Phosphosite 1:	COL4A1	P02462	S1110	GSVGYPGSPGLPGEK	88 / 9 AA	161
Phosphosite 2:	CO3A1	P02461	S346	GTAGFPGSPGAKGEV	87 / 8 AA	139
Phosphosite 3:	COL19A1	Q14993	S1107	SALGLPGSPGAPGPQ	88 / 9 AA	115
Phosphosite 4:	COL4A5	P29400	S136	GERGFPGSPGFPGLQ	77 / 9 AA	161
Phosphosite 5:	CO3A1	P02461	S193	GTSGHPGSPGSPGYQ	77 / 9 AA	139
Phosphosite 6:	COL14A1	Q05707	S1664	GEPGRPGSPGAPGEQ	88 / 9 AA	194
Phosphosite 7:	COL7A1	Q02388	T1318	GRAGNPGTPGAPGLK	77 / 9 AA	295
Phosphosite 8:	PABPNL1	A6NDY0	S243	GLRGHPGSRGAPFPH	77 / 9 AA	30
Phosphosite 9:	LAMA2	P24043	S1516	CAPGYTGSPGNPGGS	77 / 9 AA	343
Phosphosite 10:	CCDC123	Q96ST8	S188	HQDGFPGSPPAPQRT	77 / 9 AA	89
Phosphosite 11:	COL4A5	P29400	T1126	GLPGFPGTPGPPGPK	66 / 9 AA	161
Phosphosite 12:	COL4A1	P02462	S1077	GIAGFPGSPGEKGEK	75 / 8 AA	161
Phosphosite 13:	COL4A2	P08572	S1210	GTKGFPGSPGSDIHG	75 / 8 AA	168
Phosphosite 14:	COL4A1	P02462	T351	GERGYPGTPGPRGEP	85 / 7 AA	161
Phosphosite 15:	COL4A3	Q01955	S1147	GLPGFPGSPGPMGIR	85 / 7 AA	162
Phosphosite 16:	COL4A2	P08572	S467	GFPGLPGSPGARGPK	87 / 8 AA	168
Phosphosite 17:	CHIT1	Q13231	S144	LDWEYPGSQGSPAVD	75 / 8 AA	52
Phosphosite 18:	CHIA	Q9BZP6	S144	FDWEYPGSRGSPPQD	75 / 8 AA	52
Phosphosite 19:	COLQ	Q9Y215	S181	GSKGYPGSRGEKGSR	75 / 8 AA	48
Phosphosite 20:	COL16A1	Q07092	S1199	GPSGLPGSPGPPGPP	77 / 9 AA	158