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:	S258
P-Site Sequence:	GVDARHPSFFLYRSG
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	S258	GVDARHPSFFLYRSG	100 / 9 AA	37
Phosphosite 1:	SKIL	P12757	Y401	SFLHPSYYLYMCDKV	71 / 7 AA	77
Phosphosite 2:	SKIL	P12757	Y400	HSFLHPSYYLYMCDK	71 / 7 AA	77
Phosphosite 3:	HIAT1	Q96MC6	S266	PEAGQYSSFFLYLRQ	55 / 9 AA	53
Phosphosite 4:	HIATL1	Q5SR56	S274	PEAGQYSSFFLYLRQ	55 / 9 AA	55
Phosphosite 5:	MON1A	Q86VX9	S287	QLMARDPSFLMGAAR	62 / 8 AA	62
Phosphosite 6:	C17orf70	Q0VG06	S877	YRQLRHPSLILL___	71 / 7 AA	93
Phosphosite 7:	TNRC6B	Q9UPQ9	S1011	VTGARHPSWEEEEDG	83 / 6 AA	194
Phosphosite 8:	IGHG3	P01860	S333	PMLDSDGSFFLYSKL	55 / 9 AA	41
Phosphosite 9:	IGHG2	P01859	S282	PMLDSDGSFFLYSKL	55 / 9 AA	36
Phosphosite 10:	DISP2	A7MBM2	S823	CHRARNQSFFDTLQE	71 / 7 AA	152
Phosphosite 11:	NID2	Q14112	S717	RHAPRHPSFPTTQQL	83 / 6 AA	151
Phosphosite 12:	ANAPC1	Q9H1A4	S835	TGFMHHPSFFTSEPP	83 / 6 AA	217
Phosphosite 13:	CYP2A7	P20853	S403	GSVLRDPSFFSNPQD	83 / 6 AA	56
Phosphosite 14:	CYP2A6	P11509	S403	GSVLRDPSFFSNPQD	83 / 6 AA	57
Phosphosite 15:	C10orf18	Q5VWN6	S1949	HGLRRHPSFSANCGL	100 / 5 AA	269
Phosphosite 16:	CTSS	P25774	Y262	RHPSFFLYRSGVYYE	100 / 5 AA	37
Phosphosite 17:	MYO3B	Q8WXR4	S1327	ENNSAHPSFFSSSSK	100 / 5 AA	152
Phosphosite 18:	IREB2	P48200	S722	STYIRCPSFFDKLTK	83 / 6 AA	105
Phosphosite 19:	IGHG3	P01860	Y337	SDGSFFLYSKLTVDK	100 / 5 AA	41
Phosphosite 20:	IGHG2	P01859	Y286	SDGSFFLYSKLTVDK	100 / 5 AA	36