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:	CTSA
Human P-Site:	Y345
P-Site Sequence:	STYLNNPYVRKALNI
UniProt:	P10619
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSA	P10619	Y345	STYLNNPYVRKALNI	100 / 9 AA	54
Phosphosite 1:	AP1B1	Q10567	Y136	CLKDEDPYVRKTAAV	62 / 8 AA	105
Phosphosite 2:	AP2B1	P63010	Y136	CLKDEDPYVRKTAAV	62 / 8 AA	105
Phosphosite 3:	AP3B2	Q13367	Y160	AASDMSPYVRKTAAH	71 / 7 AA	119
Phosphosite 4:	BAT2D1	Q9Y520	Y1322	NRLLEKPYVRDDDKA	71 / 7 AA	317
Phosphosite 5:	COL5A1	P20908	Y1781	MSYDNNPYIRALVDG	83 / 6 AA	184
Phosphosite 6:	CSN3	P07498	Y75	AIAINNPYVPRTYYA	55 / 9 AA	20
Phosphosite 7:	RPP38	P78345	Y29	KTSLNNPYIIRWSAL	62 / 8 AA	32
Phosphosite 8:	VAC14	Q08AM6	Y692	LDVKNNPYLIKALYG	75 / 8 AA	88
Phosphosite 9:	DAPP1	Q9UN19	Y129	LMVLKHPYPRKVEEP	55 / 9 AA	32
Phosphosite 10:	MAP3K14	Q99558	Y189	ESPLGAPYVRNTPQF	55 / 9 AA	104
Phosphosite 11:	AP3B1	O00203	Y165	ASADLSPYVRKNAAH	83 / 6 AA	121
Phosphosite 12:	YEATS2	Q9ULM3	Y499	GSVINNPYVIMDKQP	62 / 8 AA	151
Phosphosite 13:	CMYA1	Q702N8	Y816	GTGQGHPYIRKEELV	50 / 8 AA	199
Phosphosite 14:	GRIK5	Q16478	Y427	TTILENPYVMRRPNF	62 / 8 AA	109
Phosphosite 15:	derlin-2	Q9GZP9	Y138	VWSRRNPYVRMNFFG	83 / 6 AA	28
Phosphosite 16:	Rb-like 2	Q08999	Y301	KEHFWKPYIRKLYEK	50 / 8 AA	128
Phosphosite 17:	ESYT2	A0FGR8	Y824	SEDGSDPYVRMYLLP	57 / 7 AA	102
Phosphosite 18:	GLB1L2	Q8IW92	Y214	KDPAYMPYVKKALED	83 / 6 AA	72
Phosphosite 19:	MLL3	Q8NEZ4	Y1693	SSQERAPYVQKARDN	83 / 6 AA	541
Phosphosite 20:	CAPS2	Q9BXY5	Y521	MNEYRKSYVRKAFMK	71 / 7 AA	64