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:	S225
P-Site Sequence:	KYRAATCSKYTELPY
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	S225	KYRAATCSKYTELPY	100 / 9 AA	37
Phosphosite 1:	CTSS	P25774	Y227	RAATCSKYTELPYGR	100 / 7 AA	37
Phosphosite 2:	CTSS	P25774	T223	DSKYRAATCSKYTEL	100 / 7 AA	37
Phosphosite 3:	ZNF313	Q9Y508	T109	KIRSHVATCSKYQNY	85 / 7 AA	26
Phosphosite 4:	SLU7	O95391	S417	QERAVACSKYEEDVK	66 / 9 AA	68
Phosphosite 5:	HERC1	Q15751	Y2528	ALLGCSKYAELLLIP	83 / 6 AA	532
Phosphosite 6:	R3HDML	Q9H3Y0	Y169	DGPTCSHYTQMVWAS	71 / 7 AA	29
Phosphosite 7:	ELF1	P32519	T223	ALLQDKATCPKYIKW	83 / 6 AA	67
Phosphosite 8:	WDR75	Q8IWA0	Y555	GRLTCSKYLLGATEN	100 / 5 AA	94
Phosphosite 9:	GRHL3	Q8TE85	S493	LPLKRTCSPFTEEFE	71 / 7 AA	70
Phosphosite 10:	SLU7	O95391	Y419	RAVACSKYEEDVKIH	71 / 7 AA	68
Phosphosite 11:	SLCO2B1	O94956	S179	PSNGNCSSYTETQHL	62 / 8 AA	77
Phosphosite 12:	ZNF313	Q9Y508	Y113	HVATCSKYQNYIMEG	100 / 5 AA	26
Phosphosite 13:	DGCR14	Q96DF8	Y409	VSRTASKYTDRALRA	71 / 7 AA	53
Phosphosite 14:	SLCO2B1	O94956	T181	NGNCSSYTETQHLSV	83 / 6 AA	77
Phosphosite 15:	SLCO2B1	O94956	Y180	SNGNCSSYTETQHLS	83 / 6 AA	77
Phosphosite 16:	CLEC16A	Q2KHT3	S472	KSAAATCSESTQWSR	66 / 9 AA	118
Phosphosite 17:	BRWD3	Q6RI45	Y548	GFGCSKYYEKIPDQM	83 / 6 AA	204
Phosphosite 18:	BRWD3	Q6RI45	Y547	FGFGCSKYYEKIPDQ	83 / 6 AA	204
Phosphosite 19:	DGCR14	Q96DF8	S407	RLVSRTASKYTDRAL	71 / 7 AA	53
Phosphosite 20:	SP5	Q6BEB4	S41	ALLAATCSRIGQPGA	55 / 9 AA	42