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:	COL21A1
Human P-Site:	S826
P-Site Sequence:	HCLSQHGSPGIPGPP
UniProt:	Q96P44
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL21A1	Q96P44	S826	HCLSQHGSPGIPGPP	100 / 9 AA	99
Phosphosite 1:	COL4A3	Q01955	S917	GTPGQRGSPGIPGVK	87 / 8 AA	162
Phosphosite 2:	COL4A5	P29400	S864	GPPGERGSPGIPGAP	75 / 8 AA	161
Phosphosite 3:	UACA	Q9BZF9	S410	MADSQCTSPGIPAHM	77 / 9 AA	163
Phosphosite 4:	Putative golgin subfamily A member 6-like protein 10	A6NI86	S37	KAYWQRKSPGIPAGA	66 / 9 AA	46
Phosphosite 5:	Putative golgin subfamily A member 6-like protein 5	A6NFL8	S37	KAYWQRKSPGIPAGA	66 / 9 AA	48
Phosphosite 6:	Putative golgin subfamily A member 6-like protein 3	A6NEY3	S37	KAYWQRKSPGIPAGA	66 / 9 AA	56
Phosphosite 7:	Golgin subfamily A member 6-like protein 9	A6NEM1	S37	KAYWQRKSPGIPAGA	66 / 9 AA	49
Phosphosite 8:	Putative golgin subfamily A member 6-like protein 4	A6NEF3	S37	KAYWQRKSPGIPAGA	66 / 9 AA	59
Phosphosite 9:	OVCH2	Q7RTZ1	S280	VRKSDQGSPGIFTDI	75 / 8 AA	63
Phosphosite 10:	GOLGA6	Q9NYA3	S37	KEYQQRKSPGIPAGA	75 / 8 AA	80
Phosphosite 11:	GOLGA6B	A6NDN3	S37	KEYQQRKSPGIPAGA	75 / 8 AA	80
Phosphosite 12:	GOLGA6C	A6NDK9	S37	KEYQQRKSPGIPAGA	75 / 8 AA	80
Phosphosite 13:	COL4A3	Q01955	S857	GFPGETGSPGIPGHQ	75 / 8 AA	162
Phosphosite 14:	GLI4	P10075	S43	LHGHQHGSPGSSPKV	100 / 6 AA	41
Phosphosite 15:	ZFPM2	Q8WW38	S1091	LAANENVSPGIPSAE	55 / 9 AA	128
Phosphosite 16:	NBR1	Q14596	S833	PCVHHHGSPGVDLPV	71 / 7 AA	107
Phosphosite 17:	HIC2	Q96JB3	S280	LSDSQHGSPPAASAP	100 / 6 AA	66
Phosphosite 18:	COL4A5	P29400	S1055	GVPGQPGSPGLPGQK	75 / 8 AA	161
Phosphosite 19:	NAP5	O14513	S1364	SFSSQHGSPSKLPLR	100 / 6 AA	209
Phosphosite 20:	MAP7	Q14244	S169	WGGSLHGSPSIHSAD	75 / 8 AA	84