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:	CTSE
Human P-Site:	S125
P-Site Sequence:	SRFQPSQSSTYSQPG
UniProt:	P14091
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSE	P14091	S125	SRFQPSQSSTYSQPG	100 / 9 AA	43
Phosphosite 1:	CTSE	P14091	S126	RFQPSQSSTYSQPGQ	100 / 8 AA	43
Phosphosite 2:	PGC	P20142	S120	SRFNPSESSTYSTNG	87 / 8 AA	42
Phosphosite 3:	PGC	P20142	S121	RFNPSESSTYSTNGQ	87 / 8 AA	42
Phosphosite 4:	CTSE	P14091	S123	THSRFQPSQSSTYSQ	100 / 7 AA	43
Phosphosite 5:	VTA1	Q9NP79	S196	QPTQPSSSSTYDPSN	87 / 8 AA	34
Phosphosite 6:	VTA1	Q9NP79	S195	TQPTQPSSSSTYDPS	87 / 8 AA	34
Phosphosite 7:	QSER1	Q2KHR3	S131	SNSIPPQSSTYRSAQ	85 / 7 AA	190
Phosphosite 8:	CTSE	P14091	T127	FQPSQSSTYSQPGQS	100 / 7 AA	43
Phosphosite 9:	CLCC1	Q96S66	S529	AGSPDQGSTYSPARG	75 / 8 AA	62
Phosphosite 10:	QSER1	Q2KHR3	S132	NSIPPQSSTYRSAQE	85 / 7 AA	190
Phosphosite 11:	Pax6	P26367	T351	QPPVPSQTSSYSCML	75 / 8 AA	47
Phosphosite 12:	KIAA1109	Q2LD37	S4326	TWEQPSQSASFTHMP	55 / 9 AA	555
Phosphosite 13:	Pax6	P26367	S352	PPVPSQTSSYSCMLP	75 / 8 AA	47
Phosphosite 14:	YTHDF3	Q7Z739	S148	SQGQSTQSSAYSSSY	66 / 9 AA	64
Phosphosite 15:	FAM74A1	Q5RGS3	S116	NSGVKSQSSTYLPSG	100 / 6 AA	15
Phosphosite 16:	FAM74A3	Q4VXF1	S148	NSGVKSQSSTYLPSG	100 / 6 AA	18
Phosphosite 17:	FAM74A7	A6NL05	S148	NSGVKSQSSTYLPSG	100 / 6 AA	18
Phosphosite 18:	ZNF396	Q96N95	S226	HMNGSQSSTYRGTYE	100 / 6 AA	39
Phosphosite 19:	ZNF396	Q96N95	S225	LHMNGSQSSTYRGTY	100 / 6 AA	39
Phosphosite 20:	FAM74A1	Q5RGS3	S117	SGVKSQSSTYLPSGK	100 / 6 AA	15