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:	S1105
P-Site Sequence:	GPEGAPGSPGSPGLP
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	S1105	GPEGAPGSPGSPGLP	100 / 9 AA	162
Phosphosite 1:	SMEK1	Q6IN85	S777	GSPGSPGSPGSPGSV	88 / 9 AA	95
Phosphosite 2:	SMEK1	Q6IN85	S774	GSPGSPGSPGSPGSP	88 / 9 AA	95
Phosphosite 3:	SMEK1	Q6IN85	S771	NLPGSPGSPGSPGSP	88 / 9 AA	95
Phosphosite 4:	COL4A3	Q01955	S603	GPPGDPGSPGSPGPA	88 / 9 AA	162
Phosphosite 5:	CO3A1	P02461	S131	GIPGQPGSPGSPGPP	88 / 9 AA	139
Phosphosite 6:	COL12A1	Q99715	S2861	GPPGPPGSPGSPGVT	88 / 9 AA	333
Phosphosite 7:	COL4A4	P53420	S1092	GPKGEPGSPGCPGHF	77 / 9 AA	164
Phosphosite 8:	COL2A1	P02458	T397	GPRGEPGTPGSPGPA	77 / 9 AA	142
Phosphosite 9:	CO3A1	P02461	S193	GTSGHPGSPGSPGYQ	88 / 9 AA	139
Phosphosite 10:	ZNF503	Q96F45	S583	PTSGAPGSPGTLALR	87 / 8 AA	63
Phosphosite 11:	COL16A1	Q07092	S1492	GRPGAPGSPGLPGQI	88 / 9 AA	158
Phosphosite 12:	PPM1H	Q9ULR3	S221	GGVGAPGSPSTPPTR	77 / 9 AA	56
Phosphosite 13:	POLR2A	P24928	S1571	AWSPTPGSPGSPGPS	87 / 8 AA	217
Phosphosite 14:	RIN1	Q13671	S330	EEEGVPGSRGSPATS	77 / 9 AA	84
Phosphosite 15:	COL19A1	Q14993	S302	GLPGAPGSPGQKGHK	100 / 7 AA	115
Phosphosite 16:	COL1A1	P02452	S720	GAPGAPGSQGAPGLQ	77 / 9 AA	139
Phosphosite 17:	COL6A2	P12110	S404	GNSGAPGSPGVKGAK	100 / 7 AA	109
Phosphosite 18:	FCN3	O75636	S52	SCPGAPGSPGEKGAP	100 / 7 AA	33
Phosphosite 19:	ZNF444	Q8N0Y2	S232	HRDTHPGSPGSPGPA	100 / 7 AA	35
Phosphosite 20:	SMEK1	Q6IN85	S768	STTNLPGSPGSPGSP	100 / 7 AA	95