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:	Y283
P-Site Sequence:	SGLPGESYGSEKGAP
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	Y283	SGLPGESYGSEKGAP	100 / 9 AA	162
Phosphosite 1:	COL4A3	Q01955	S285	LPGESYGSEKGAPGD	100 / 7 AA	162
Phosphosite 2:	PPP3CC	P48454	Y235	WSDPSEDYGNEKTLE	66 / 9 AA	57
Phosphosite 3:	AKAP3	O75969	S66	VRFKPGESFGGETSN	75 / 8 AA	95
Phosphosite 4:	FGF20	Q9NP95	Y128	MNDKGELYGSEKLTS	87 / 8 AA	23
Phosphosite 5:	FGF9	P31371	Y125	MNEKGELYGSEKLTQ	87 / 8 AA	23
Phosphosite 6:	Wnk4	Q96J92	Y642	DFSPGDSYASDAASG	62 / 8 AA	135
Phosphosite 7:	Wnk4	Q96J92	S641	SDFSPGDSYASDAAS	62 / 8 AA	135
Phosphosite 8:	ARID1A	O14497	Y422	HGYPGQPYGSQTPQR	55 / 9 AA	242
Phosphosite 9:	MAN2C1	Q9NTJ4	S429	VHFPPGDSYGMQGSV	62 / 8 AA	116
Phosphosite 10:	TRIM71	Q2Q1W2	S595	GIGLPGLSFGSEGDS	75 / 8 AA	93
Phosphosite 11:	MAN2C1	Q9NTJ4	Y430	HFPPGDSYGMQGSVE	62 / 8 AA	116
Phosphosite 12:	RBP3	P10745	Y1133	AQVVGERYGSKKSMV	75 / 8 AA	135
Phosphosite 13:	ATXN7L3	Q14CW9	Y146	INDNDWSYGSEKKAK	100 / 6 AA	39
Phosphosite 14:	FGF20	Q9NP95	S130	DKGELYGSEKLTSEC	85 / 7 AA	23
Phosphosite 15:	FGF9	P31371	S127	EKGELYGSEKLTQEC	85 / 7 AA	23
Phosphosite 16:	GIMAP4	Q9NUV9	Y19	PSTPGASYGPGRQEP	55 / 9 AA	38
Phosphosite 17:	PDE3B	Q13370	S798	SCSNPDESYGCLSSN	71 / 7 AA	124
Phosphosite 18:	C5orf42	Q9H799	S509	VAPESYESEKSSSLN	85 / 7 AA	237
Phosphosite 19:	IRX3	P78415	Y206	TDEEGNAYGSEREEE	62 / 8 AA	52
Phosphosite 20:	PDE3B	Q13370	Y799	CSNPDESYGCLSSNI	71 / 7 AA	124