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:	S285
P-Site Sequence:	LPGESYGSEKGAPGD
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	S285	LPGESYGSEKGAPGD	100 / 9 AA	162
Phosphosite 1:	COL4A3	Q01955	Y283	SGLPGESYGSEKGAP	100 / 7 AA	162
Phosphosite 2:	RanBP2	P49792	S3207	KKIESFGSPKGSVCR	66 / 9 AA	358
Phosphosite 3:	ATXN7L3	Q14CW9	Y146	INDNDWSYGSEKKAK	100 / 6 AA	39
Phosphosite 4:	FGF20	Q9NP95	S130	DKGELYGSEKLTSEC	85 / 7 AA	23
Phosphosite 5:	FGF9	P31371	S127	EKGELYGSEKLTQEC	85 / 7 AA	23
Phosphosite 6:	C5orf42	Q9H799	S509	VAPESYESEKSSSLN	66 / 9 AA	237
Phosphosite 7:	FGF20	Q9NP95	Y128	MNDKGELYGSEKLTS	85 / 7 AA	23
Phosphosite 8:	FGF9	P31371	Y125	MNEKGELYGSEKLTQ	85 / 7 AA	23
Phosphosite 9:	MAST4	O15021	Y1457	EEKLSPSYGSDKKHL	83 / 6 AA	284
Phosphosite 10:	MAST4	O15021	S1459	KLSPSYGSDKKHLCS	83 / 6 AA	284
Phosphosite 11:	VPS13B	Q7Z7G8	Y2937	NQILDEFYGPEKSLQ	71 / 7 AA	449
Phosphosite 12:	SMARCA5	O60264	T941	QLRISYGTNKGKNYT	71 / 7 AA	122
Phosphosite 13:	PPP3CC	P48454	Y235	WSDPSEDYGNEKTLE	71 / 7 AA	57
Phosphosite 14:	LPHN1	O94910	Y989	AAIDYRSYGTEKACW	83 / 6 AA	163
Phosphosite 15:	CPNE7	Q9UBL6	S5	___MSAGSERGAAAT	75 / 8 AA	70
Phosphosite 16:	CCDC38	Q502W7	S311	KKSNLAESFGSEDSL	83 / 6 AA	65
Phosphosite 17:	LRRC7	Q96NW7	S1013	EMLTYGSSKGPQQQK	62 / 8 AA	173
Phosphosite 18:	RPL9	P32969	S182	FLDGIYVSEKGTVQQ	71 / 7 AA	22
Phosphosite 19:	ALMS1	Q8TCU4	Y1020	QQEWPDSYATEKALK	57 / 7 AA	461
Phosphosite 20:	CCDC38	Q502W7	S314	NLAESFGSEDSLEFL	83 / 6 AA	65