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:	S118
P-Site Sequence:	PNRILPDSVDWREKG
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	S118	PNRILPDSVDWREKG	100 / 9 AA	37
Phosphosite 1:	CTSL2	O60911	S117	LFLDLPKSVDWRKKG	87 / 8 AA	37
Phosphosite 2:	SPATA16	Q9BXB7	T371	ALHMLPQTVDWSSFP	62 / 8 AA	65
Phosphosite 3:	cathepsin K	P43235	S118	WEGRAPDSVDYRKKG	85 / 7 AA	37
Phosphosite 4:	EIF2AK4	Q9P2K8	S708	PPPILSSSVEWSTSG	55 / 9 AA	187
Phosphosite 5:	CTSH	P09668	S119	GTGPYPPSVDWRKKG	75 / 8 AA	37
Phosphosite 6:	EIF2AK4	Q9P2K8	S707	APPPILSSSVEWSTS	62 / 8 AA	187
Phosphosite 7:	ALKBH8	Q96BT7	S155	EEKMLLESVDWTEDT	62 / 8 AA	75
Phosphosite 8:	DZIP1	Q86YF9	S66	QFRPRLESVDWRRLS	83 / 6 AA	99
Phosphosite 9:	APC2	O95996	S1683	DRASDLDSVEWRAIQ	83 / 6 AA	244
Phosphosite 10:	TMEM177	Q53S58	T128	PVVIHGHTVDWRSPA	55 / 9 AA	34
Phosphosite 11:	STYXL1	Q9Y6J8	S65	NEYLLPESVDLECVK	62 / 8 AA	36
Phosphosite 12:	CTSL1	P07711	S117	LFYEAPRSVDWREKG	85 / 7 AA	38
Phosphosite 13:	NCDN	Q9UBB6	S513	DTSVLPDSVEIGLQT	71 / 7 AA	79
Phosphosite 14:	Casp1	P29466	S339	SSTPDNVSWRHPTMG	71 / 7 AA	45
Phosphosite 15:	PLEKHH1	Q9ULM0	S11	LKVEAPASVDWQKRC	71 / 7 AA	151
Phosphosite 16:	DZIP1L	Q8IYY4	S32	KFQPRHDSMDWRRIS	83 / 6 AA	87
Phosphosite 17:	CRLF1	O75462	S281	IRYRVEDSVDWKVVD	62 / 8 AA	46
Phosphosite 18:	ABCD2	Q9UBJ2	S566	DQVIYPDSVDDMHDK	85 / 7 AA	83
Phosphosite 19:	ALKBH3	Q96Q83	S187	LYRNEKDSVDWHSDD	83 / 6 AA	33
Phosphosite 20:	GLT25D1	Q8NBJ5	S114	AVKSLYHSVEWRPAE	62 / 8 AA	72