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:	Serine protease 53
Human P-Site:	S542
P-Site Sequence:	EPEAEPGSCLANISQ
UniProt:	Q2L4Q9
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Serine protease 53	Q2L4Q9	S542	EPEAEPGSCLANISQ	100 / 9 AA	58
Phosphosite 1:	C2orf55	Q6NV74	S217	SYPAESSSCLDNSAA	66 / 9 AA	102
Phosphosite 2:	NCRNA00174	Q52M62	S211	EGLSRPGSCLAAAS_	100 / 6 AA	22
Phosphosite 3:	MTMR11	A4FU01	S39	PRSRQPSSCLASRCL	62 / 8 AA	80
Phosphosite 4:	ADAMTS4	O75173	T126	LGGAEPGTYLTGTIN	62 / 8 AA	90
Phosphosite 5:	COL4A6	Q14031	S1623	QSLVSPGSCLEDFRA	71 / 7 AA	164
Phosphosite 6:	COL4A4	P53420	S1621	QALMSPGSCLEDFRA	71 / 7 AA	164
Phosphosite 7:	COL4A2	P08572	S1645	QSLVSPGSCLEDFRA	71 / 7 AA	168
Phosphosite 8:	KRTAP26-1	Q6PEX3	S167	TSGCQPSSCLAYRPQ	62 / 8 AA	23
Phosphosite 9:	MTMR11	A4FU01	S38	EPRSRQPSSCLASRC	71 / 7 AA	80
Phosphosite 10:	PHACTR3	Q96KR7	S156	SEDAQPGSPLATGTD	66 / 9 AA	63
Phosphosite 11:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S110	SVSDAPGSCLIDCNE	71 / 7 AA	74
Phosphosite 12:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S110	SVSDAPGSCLIDCNE	71 / 7 AA	74
Phosphosite 13:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S110	SVSDAPGSCLIDCNE	71 / 7 AA	72
Phosphosite 14:	COL4A3	Q01955	S1603	QALASPGSCLEEFRA	85 / 7 AA	162
Phosphosite 15:	COL4A5	P29400	S1619	QALASPGSCLEEFRS	85 / 7 AA	161
Phosphosite 16:	COL4A1	P02462	S1603	QALASPGSCLEEFRS	85 / 7 AA	161
Phosphosite 17:	PGM3	O95394	T92	PSWEEHATCLANAEE	62 / 8 AA	60
Phosphosite 18:	UBR4	Q5T4S7	S1723	CGAKEDGSCLALVKR	85 / 7 AA	574
Phosphosite 19:	ZCWPW1	Q9H0M4	S451	SGLNSPGSCLEKKEK	71 / 7 AA	72
Phosphosite 20:	CACNA1G	O43497	S724	GPDAEPSSVLAFWRL	75 / 8 AA	262