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:	CTSS
Human P-Site:	S200
P-Site Sequence:	IDNKGIDSDASYPYK
UniProt:	P25774
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSS	P25774	S200	IDNKGIDSDASYPYK	100 / 9 AA	37
Phosphosite 1:	cathepsin K	P43235	S197	QKNRGIDSEDAYPYV	55 / 9 AA	37
Phosphosite 2:	CTSL1	P07711	S198	QDNGGLDSEESYPYE	62 / 8 AA	38
Phosphosite 3:	CTSL2	O60911	S198	KENGGLDSEESYPYV	62 / 8 AA	37
Phosphosite 4:	IGSF22	Q8N9C0	S592	FRAKGTESEASVFIA	62 / 8 AA	100
Phosphosite 5:	TTLL4	Q14679	S850	LSQKGVNSDAIWEKI	55 / 9 AA	133
Phosphosite 6:	Hcn2	Q9UL51	S314	IVEKGIDSEVYKTAR	71 / 7 AA	97
Phosphosite 7:	CTSS	P25774	S203	KGIDSDASYPYKAMD	100 / 6 AA	37
Phosphosite 8:	FGD6	Q6ZV73	S672	GEQKGIESDWQGLLV	83 / 6 AA	161
Phosphosite 9:	SHIP	Q92835	S811	ISIKSSDSDESYGEG	66 / 9 AA	133
Phosphosite 10:	TBCD	Q9BTW9	S1014	EYMKGIQSDPQALGS	71 / 7 AA	133
Phosphosite 11:	KIAA1383	Q9P2G4	S565	PEDKYLDSDASFTEN	66 / 9 AA	100
Phosphosite 12:	ATAD5	Q96QE3	S614	ETIRGIDSDDVQDNS	83 / 6 AA	208
Phosphosite 13:	KIAA0256	Q93073	S272	EADIDSDSGYCSPKH	71 / 7 AA	122
Phosphosite 14:	KIAA0256	Q93073	S270	ASEADIDSDSGYCSP	71 / 7 AA	122
Phosphosite 15:	ARNTL2	Q8WYA1	S57	RKRKGSDSDPSQSGI	75 / 8 AA	71
Phosphosite 16:	RBM5	P52756	S391	QQAGGLESDASSASG	71 / 7 AA	92
Phosphosite 17:	CUBN	O60494	S2288	ELRDGVDSDAPILSK	71 / 7 AA	399
Phosphosite 18:	KIAA1383	Q9P2G4	S568	KYLDSDASFTENSDT	83 / 6 AA	100
Phosphosite 19:	LRRC53	A6NM62	S1061	SSEKGIDSTNALPRN	100 / 5 AA	141
Phosphosite 20:	ACCS	Q96QU6	T60	PAMISSDTSYLSSRG	71 / 7 AA	57