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:	S917
P-Site Sequence:	GTPGQRGSPGIPGVK
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	S917	GTPGQRGSPGIPGVK	100 / 9 AA	162
Phosphosite 1:	COL4A5	P29400	S864	GPPGERGSPGIPGAP	88 / 9 AA	161
Phosphosite 2:	COL7A1	Q02388	S2273	GKDGDRGSPGVPGSP	77 / 9 AA	295
Phosphosite 3:	COL19A1	Q14993	Y754	GSKGERGYPGIPGEK	77 / 9 AA	115
Phosphosite 4:	COL4A6	Q14031	S802	GPKGERGSPGTPGQV	77 / 9 AA	164
Phosphosite 5:	COL21A1	Q96P44	S826	HCLSQHGSPGIPGPP	87 / 8 AA	99
Phosphosite 6:	COL22A1	Q8NFW1	S994	GEPGLRGSPGLPGPL	77 / 9 AA	161
Phosphosite 7:	Putative golgin subfamily A member 6-like protein 10	A6NI86	S37	KAYWQRKSPGIPAGA	87 / 8 AA	46
Phosphosite 8:	Putative golgin subfamily A member 6-like protein 5	A6NFL8	S37	KAYWQRKSPGIPAGA	87 / 8 AA	48
Phosphosite 9:	Putative golgin subfamily A member 6-like protein 3	A6NEY3	S37	KAYWQRKSPGIPAGA	87 / 8 AA	56
Phosphosite 10:	Golgin subfamily A member 6-like protein 9	A6NEM1	S37	KAYWQRKSPGIPAGA	87 / 8 AA	49
Phosphosite 11:	Putative golgin subfamily A member 6-like protein 4	A6NEF3	S37	KAYWQRKSPGIPAGA	87 / 8 AA	59
Phosphosite 12:	GOLGA6	Q9NYA3	S37	KEYQQRKSPGIPAGA	87 / 8 AA	80
Phosphosite 13:	GOLGA6B	A6NDN3	S37	KEYQQRKSPGIPAGA	87 / 8 AA	80
Phosphosite 14:	GOLGA6C	A6NDK9	S37	KEYQQRKSPGIPAGA	87 / 8 AA	80
Phosphosite 15:	COL4A3	Q01955	S857	GFPGETGSPGIPGHQ	77 / 9 AA	162
Phosphosite 16:	COL4A1	P02462	S300	GDKGEKGSPGFPGEP	66 / 9 AA	161
Phosphosite 17:	COL4A2	P08572	T1111	GLKGERGTTGIPGLK	66 / 9 AA	168
Phosphosite 18:	COL7A1	Q02388	T2705	GEKGERGTPGIGGFP	75 / 8 AA	295
Phosphosite 19:	GOLGA8C	A6NN73	S25	KEYWQRNSPGVPAGA	75 / 8 AA	67
Phosphosite 20:	COL4A5	P29400	S1055	GVPGQPGSPGLPGQK	77 / 9 AA	161