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:	CTSS
Human P-Site:	Y262
P-Site Sequence:	RHPSFFLYRSGVYYE
UniProt:	P25774
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSS	P25774	Y262	RHPSFFLYRSGVYYE	100 / 9 AA	37
Phosphosite 1:	CTSS	P25774	S264	PSFFLYRSGVYYEPS	100 / 7 AA	37
Phosphosite 2:	CTSB	P07858	Y262	VYSDFLLYKSGVYQH	75 / 8 AA	38
Phosphosite 3:	OSCAR	Q8IYS5	Y162	RNMSFVLYREGVAAP	77 / 9 AA	31
Phosphosite 4:	TINAGL1	Q9GZM7	Y376	VHEDFFLYKGGIYSH	55 / 9 AA	52
Phosphosite 5:	TTL	Q8NG68	Y216	HQYNIYLYREGVLRT	55 / 9 AA	43
Phosphosite 6:	PLCB3	Q01970	Y53	DPNGFFLYWTGPNME	62 / 8 AA	139
Phosphosite 7:	TTC9	Q92623	Y168	GENFKALYRSGVAFY	100 / 6 AA	24
Phosphosite 8:	TMTC2	Q8N394	Y484	WQNEEMLYRSGIKVN	71 / 7 AA	94
Phosphosite 9:	ATAD3A	Q9NVI7	Y486	ATLNAFLYRTGQHSN	83 / 6 AA	71
Phosphosite 10:	ATAD3C	Q5T2N8	Y263	ATLNAFLYRTGQHSN	83 / 6 AA	46
Phosphosite 11:	ZNF770	Q6IQ21	Y625	EKNDVFLYRCSVCAK	71 / 7 AA	80
Phosphosite 12:	PKP4	Q99569	Y443	QGSQTALYRTGVSGI	83 / 6 AA	134
Phosphosite 13:	MUC4	Q99102	Y1244	RSYALFLYQSGGMQW	62 / 8 AA	232
Phosphosite 14:	PKP4	Q99569	T445	SQTALYRTGVSGIGN	83 / 6 AA	134
Phosphosite 15:	PKACg	P22612	Y29	KARGDFLYRWGNPAQ	83 / 6 AA	40
Phosphosite 16:	CTSB	P07858	S264	SDFLLYKSGVYQHVT	71 / 7 AA	38
Phosphosite 17:	VN1R1	Q9GZP7	Y247	GSMVFFLYRHKQQVQ	100 / 5 AA	40
Phosphosite 18:	PDE4D	Q08499	Y193	QRRESFLYRSDSDYD	83 / 6 AA	91
Phosphosite 19:	PDE4C	Q08493	Y122	QRRESFLYRSDSDYE	83 / 6 AA	80
Phosphosite 20:	PDE4B	Q07343	Y136	QRRESFLYRSDSDYD	83 / 6 AA	83