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:	CTSL1
Human P-Site:	T127
P-Site Sequence:	WREKGYVTPVKNQGQ
UniProt:	P07711
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSL1	P07711	T127	WREKGYVTPVKNQGQ	100 / 9 AA	38
Phosphosite 1:	cathepsin K	P43235	T128	YRKKGYVTPVKNQGQ	100 / 9 AA	37
Phosphosite 2:	CTSL2	O60911	T127	WRKKGYVTPVKNQKQ	100 / 9 AA	37
Phosphosite 3:	CTSL3	Q5NE16	T72	WREKGYVTPVKDQCN	88 / 9 AA	25
Phosphosite 4:	CTSL3	Q5NE16	Y70	VDWREKGYVTPVKDQ	100 / 7 AA	25
Phosphosite 5:	CTSL1	P07711	Y125	VDWREKGYVTPVKNQ	100 / 7 AA	38
Phosphosite 6:	cathepsin K	P43235	Y126	VDYRKKGYVTPVKNQ	100 / 7 AA	37
Phosphosite 7:	CTSL2	O60911	Y125	VDWRKKGYVTPVKNQ	100 / 7 AA	37
Phosphosite 8:	PLEKHA8	Q96JA3	T420	KFLKGFLTEVKNGEK	66 / 9 AA	58
Phosphosite 9:	PLEKHA9	O95397	T304	KFLKGFLTEVKNGEK	66 / 9 AA	44
Phosphosite 10:	CTSH	P09668	S130	RKKGNFVSPVKNQGA	71 / 7 AA	37
Phosphosite 11:	Grb2	P62993	T211	MFPRNYVTPVNRNV_	62 / 8 AA	25
Phosphosite 12:	MTHFD2	P13995	Y304	GVRQKAGYITPVPGG	83 / 6 AA	38
Phosphosite 13:	SCC-112	Q29RF7	T1208	PVRIISVTPVKNIDP	100 / 6 AA	151
Phosphosite 14:	MTHFD2	P13995	T306	RQKAGYITPVPGGVG	83 / 6 AA	38
Phosphosite 15:	RPS27A	P62979	T11	RKKKSYTTPKKNKHK	66 / 9 AA	9
Phosphosite 16:	MLL3	Q8NEZ4	T2192	TQTDLFVTPVTNQRH	71 / 7 AA	541
Phosphosite 17:	Grb2	P62993	Y209	TGMFPRNYVTPVNRN	71 / 7 AA	25
Phosphosite 18:	VPS13D	Q5THJ4	T3894	QPFMLYVTPLSNENE	71 / 7 AA	492
Phosphosite 19:	CHID1	Q9BWS9	T86	GDVLGYVTPWNSHGY	100 / 5 AA	45
Phosphosite 20:	CHID1	Q9BWS9	Y84	FAGDVLGYVTPWNSH	100 / 5 AA	45