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:	S36
P-Site Sequence:	FTPTWPRSREREAAA
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	S36	FTPTWPRSREREAAA	100 / 9 AA	36
Phosphosite 1:	RGS9	O75916	S568	LDTSWPRSRPRAPPK	66 / 9 AA	77
Phosphosite 2:	RSRC1	Q96IZ7	S133	HRRTRSRSRDRERRK	66 / 9 AA	39
Phosphosite 3:	C8orf73	A6NGR9	S9	AGGVWGRSRAREAPV	66 / 9 AA	77
Phosphosite 4:	DHX38	Q92620	S132	SEEFWERSRQRERER	75 / 8 AA	141
Phosphosite 5:	MYCL2	P12525	S45	PPWTWVRSREPSPQL	85 / 7 AA	41
Phosphosite 6:	dematin	Q08495	S81	EHVELPRSRERSLSP	85 / 7 AA	46
Phosphosite 7:	RNASEN	Q9NRR4	S284	RHRSYERSRERERER	66 / 9 AA	159
Phosphosite 8:	SASH1	O94885	S837	TVDTWPRSHSLDDLQ	55 / 9 AA	137
Phosphosite 9:	DIDO1	Q9BTC0	S2172	RGKEWDRSRERSRNR	85 / 7 AA	244
Phosphosite 10:	PAGE3	Q5JUK9	S11	HQRTRSRSRERRDDQ	75 / 8 AA	12
Phosphosite 11:	PPIL4	Q8WUA2	S446	QNRSRSRSRERDGHY	55 / 9 AA	57
Phosphosite 12:	SRRM1	Q8IYB3	S278	KEKTRPRSRSRSKSR	75 / 8 AA	102
Phosphosite 13:	TMCC2	O75069	S94	LFHSRRRSREREHQT	66 / 9 AA	77
Phosphosite 14:	PRR19	A6NJB7	S120	AQEPAPRSRDKENQV	71 / 7 AA	39
Phosphosite 15:	VPS16	Q9H269	S276	VWCSRPRSKERAVVV	55 / 9 AA	95
Phosphosite 16:	CaRHSP1	Q9Y2V2	S26	GLLDTPRSRERSPSP	100 / 6 AA	16
Phosphosite 17:	THOC2	Q8NI27	S1467	LDKSRERSREREKKD	66 / 9 AA	183
Phosphosite 18:	SASH1	O94885	T833	EGPQTVDTWPRSHSL	100 / 5 AA	137
Phosphosite 19:	AGBL2	Q5U5Z8	S878	MKPNWPRSRYPATKR	83 / 6 AA	104
Phosphosite 20:	TJP2	Q9UDY2	S186	RPHERARSRERDLSR	62 / 8 AA	134