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:	S284
P-Site Sequence:	NSQTPILSPQEVVSC
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	S284	NSQTPILSPQEVVSC	100 / 9 AA	52
Phosphosite 1:	SLC1A7	O00341	S43	FLRTRRLSPQEISYF	66 / 9 AA	61
Phosphosite 2:	HOXC6	P09630	S56	IYSTPFYSPQENVVF	75 / 8 AA	27
Phosphosite 3:	HOXC6	P09630	Y55	RIYSTPFYSPQENVV	75 / 8 AA	27
Phosphosite 4:	PKD1L2	Q7Z442	S1242	ELPTWILSPQDLRFG	66 / 9 AA	273
Phosphosite 5:	PRPF8	Q6P2Q9	S2189	PNESPQLSPQDVTTH	66 / 9 AA	274
Phosphosite 6:	MLKL	Q8NB16	S378	VKSTAYLSPQELEDV	66 / 9 AA	54
Phosphosite 7:	RGS17	Q9UGC6	S145	EDYISILSPKEVSLD	75 / 8 AA	24
Phosphosite 8:	RGS20	O76081	S323	EDYISILSPKEVSLD	75 / 8 AA	44
Phosphosite 9:	GAIP	P49795	S151	EDYVSILSPKEVSLD	75 / 8 AA	25
Phosphosite 10:	KPNA4	O00629	S294	PHLVPLLSHQEVKVQ	75 / 8 AA	58
Phosphosite 11:	C20orf72	Q9BQP7	S188	EALESILSPQETLKE	85 / 7 AA	39
Phosphosite 12:	FHAD1	B1AJZ9	S1006	AAQKEILSQQEVIMK	85 / 7 AA	162
Phosphosite 13:	BIVM	Q86UB2	S350	AFSRGPLSPQEVEYW	100 / 6 AA	57
Phosphosite 14:	MICAL3	Q7RTP6	S300	QATSPIRSPQESALL	75 / 8 AA	110
Phosphosite 15:	TNS1	Q9HBL0	S433	SSATAALSPQEKREL	75 / 8 AA	186
Phosphosite 16:	ZNF79	Q15937	S158	FNLRPVLSPQQRVPV	71 / 7 AA	55
Phosphosite 17:	PIK3C2A	O00443	S124	LPVTPILSPSFSAQL	100 / 6 AA	191
Phosphosite 18:	OBSL1	O75147	S719	ESPVHILSPQDKVSL	71 / 7 AA	153
Phosphosite 19:	C12orf66	Q96MD2	S181	RFHHPILSPLESSFQ	85 / 7 AA	50
Phosphosite 20:	FOXS1	O43638	S239	KAPTPVLSPESGIGS	71 / 7 AA	35