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:	CTSO
Human P-Site:	S25
P-Site Sequence:	RGGGDADSRAPFTPT
UniProt:	P43234
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSO	P43234	S25	RGGGDADSRAPFTPT	100 / 9 AA	36
Phosphosite 1:	PKN1	Q16512	S356	GGPGTPDSRPPFLSR	66 / 9 AA	104
Phosphosite 2:	ALX4	Q9H161	S62	QGFGDAKSRARYGAG	66 / 9 AA	44
Phosphosite 3:	PIGN	O95427	S68	ELDENGNSRAPFIRN	62 / 8 AA	106
Phosphosite 4:	LANCL3	Q6ZV70	T116	WGEPDADTRAAFLLG	75 / 8 AA	46
Phosphosite 5:	EMID1	Q96A84	S213	GPKGDAGSRGPMGMR	66 / 9 AA	45
Phosphosite 6:	piccolo	Q9Y6V0	S3624	SPTADESSRAPFQYT	66 / 9 AA	567
Phosphosite 7:	BSN	Q9UPA5	S3138	LFPVPADSRAPLQKP	85 / 7 AA	416
Phosphosite 8:	SETDB1	Q15047	S142	IDSGDAGSRTPKDQK	75 / 8 AA	143
Phosphosite 9:	ADCY5	O95622	S37	SAWGEADSRANGYPH	85 / 7 AA	139
Phosphosite 10:	FHOD1	Q9Y613	S1049	PGRGDADSHASMKSL	66 / 9 AA	127
Phosphosite 11:	PLXNC1	O60486	S1378	SIWSLPNSRAPFAIK	71 / 7 AA	176
Phosphosite 12:	VR1	Q8NER1	S31	PLDGDPNSRPPPAKP	62 / 8 AA	95
Phosphosite 13:	SCAF1	Q9H7N4	S872	KFSRDRESRSPFLKP	62 / 8 AA	139
Phosphosite 14:	SFN	P31947	S116	KEAGDAESRVFYLKM	55 / 9 AA	28
Phosphosite 15:	KNDC1	Q76NI1	S1721	ISTLAADSRANFHQV	85 / 7 AA	191
Phosphosite 16:	SHANK3	Q9BYB0	S736	PDIADADSRAATVKQ	75 / 8 AA	186
Phosphosite 17:	PLEKHH2	Q8IVE3	S1073	HLKRNADSRTEFGKY	62 / 8 AA	168
Phosphosite 18:	KHS1	Q9Y4K4	S423	KHCPDSESRAPQILR	71 / 7 AA	95
Phosphosite 19:	C3orf53	Q8N290	S52	ARRGGAASRAPSLLP	75 / 8 AA	23
Phosphosite 20:	ANKRD50	Q9ULJ7	S644	VDCADADSRTALRAA	55 / 9 AA	150