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:	CTSC
Human P-Site:	T280
P-Site Sequence:	ILTNNSQTPILSPQE
UniProt:	P53634
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSC	P53634	T280	ILTNNSQTPILSPQE	100 / 9 AA	52
Phosphosite 1:	CTSC	P53634	S278	IRILTNNSQTPILSP	100 / 7 AA	52
Phosphosite 2:	SLITRK6	Q9H5Y7	T22	CISLHSQTPVLSSRG	75 / 8 AA	93
Phosphosite 3:	CCDC129	Q6ZRS4	T111	SLHQFSETPILSRGT	85 / 7 AA	99
Phosphosite 4:	TBC1D30	Q9Y2I9	T869	PQGSNSKTPIFSPFP	66 / 9 AA	103
Phosphosite 5:	INTS3	Q68E01	T946	KQNFFSQTPILQALQ	100 / 6 AA	118
Phosphosite 6:	HEL308	Q8TDG4	T281	TGNAKAQTPIFSRSK	62 / 8 AA	124
Phosphosite 7:	ATP10D	Q9P241	T43	CGRKSSQTPKLSGRH	66 / 9 AA	160
Phosphosite 8:	ANKRD50	Q9ULJ7	T783	HTDNNGRTPLLAAAS	55 / 9 AA	150
Phosphosite 9:	FOXS1	O43638	T235	ESFNKAPTPVLSPES	55 / 9 AA	35
Phosphosite 10:	AHDC1	Q5TGY3	T458	LKPESSQTPVVSTRK	55 / 9 AA	168
Phosphosite 11:	APC	P25054	T2481	PTRSQAQTPVLSPSL	55 / 9 AA	312
Phosphosite 12:	ZNF462	Q96JM2	T820	SNTALLNTQTPIYGT	83 / 6 AA	285
Phosphosite 13:	LARP2	Q659C4	T350	SPKKNSETSILQAMS	62 / 8 AA	105
Phosphosite 14:	ZNF462	Q96JM2	T822	TALLNTQTPIYGTEH	83 / 6 AA	285
Phosphosite 15:	C9orf50	Q5SZB4	T218	TKISLQQTPILGPLK	83 / 6 AA	48
Phosphosite 16:	SHANK1	Q9Y566	T382	VKNNNGQTPFQVAVI	71 / 7 AA	225
Phosphosite 17:	FN1	P02751	T1855	AVPANGQTPIQRTIK	83 / 6 AA	263
Phosphosite 18:	KLHL14	Q9P2G3	T554	DQWNILQTPILEGRS	75 / 8 AA	71
Phosphosite 19:	GPI	P06744	T109	ALRNRSNTPILVDGK	75 / 8 AA	63
Phosphosite 20:	GRB7	Q14451	S81	LCSPPSQSPILGGPS	71 / 7 AA	60