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:	COL4A4
Human P-Site:	S139
P-Site Sequence:	PRGKPGMSGHNGSRG
UniProt:	P53420
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL4A4	P53420	S139	PRGKPGMSGHNGSRG	100 / 9 AA	164
Phosphosite 1:	TAF7	Q15545	S205	DISSPGMSGHRQGHD	100 / 6 AA	40
Phosphosite 2:	RIMS1	Q86UR5	S278	RKKTPGLSEQNGKGA	55 / 9 AA	189
Phosphosite 3:	COL4A6	Q14031	S839	APGFPGISGHPGKKG	75 / 8 AA	164
Phosphosite 4:	COL4A5	P29400	S1201	PPGLPGLSGQKGDGG	62 / 8 AA	161
Phosphosite 5:	ZAR1L	A6NP61	S27	PLGQPGLSGHKQPDW	62 / 8 AA	36
Phosphosite 6:	FosB	P53539	S110	SYSTPGMSGYSSGGA	62 / 8 AA	36
Phosphosite 7:	SAPAP2	Q9P1A6	S293	GKPRPGMSSWWSSDD	44 / 9 AA	118
Phosphosite 8:	HIN1L	Q7RTX8	S350	KMKKPSTSGQNFHSD	62 / 8 AA	50
Phosphosite 9:	HIN1L	Q7RTX8	T349	KKMKKPSTSGQNFHS	62 / 8 AA	50
Phosphosite 10:	HOXC13	P31276	S198	VSVVPGISGHPEPRH	83 / 6 AA	35
Phosphosite 11:	SYNPO2	Q9UMS6	S869	SNELPGMSGRGAQLF	83 / 6 AA	118
Phosphosite 12:	SAFB	Q15424	S857	QGGERSMSGHSGPGH	62 / 8 AA	103
Phosphosite 13:	CHMP4C	Q96CF2	S204	PNRKPGMSSTARRSR	83 / 6 AA	26
Phosphosite 14:	CO3A1	P02461	S188	PPGPPGTSGHPGSPG	75 / 8 AA	139
Phosphosite 15:	GYPC	P04921	S42	AEPDPGMSGWPDGRM	83 / 6 AA	14
Phosphosite 16:	piccolo	Q9Y6V0	S2926	GGMKPSMSDTNLAEA	62 / 8 AA	567
Phosphosite 17:	PSMB9	P28065	S167	AAYKPGMSPEECRRF	100 / 5 AA	23
Phosphosite 18:	USP34	Q70CQ2	S662	LGDSQGMSERNGTSS	62 / 8 AA	404
Phosphosite 19:	KIAA1958	Q8N8K9	S523	VLSKAGMSGARSRNI	83 / 6 AA	79
Phosphosite 20:	UBA6	A0AVT1	T254	FREINGMTGLNGSIQ	71 / 7 AA	118