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:	Y309
P-Site Sequence:	HNFGEEGYIRMARNK
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	Y309	HNFGEEGYIRMARNK	100 / 9 AA	37
Phosphosite 1:	RBM22	Q9NW64	Y33	TCLGENPYIRMTKEK	66 / 9 AA	47
Phosphosite 2:	EIF3I	Q13347	Y308	SSGGEDGYVRIHYFD	62 / 8 AA	37
Phosphosite 3:	TCN1	P20061	Y33	CEVSEENYIRLKPLL	62 / 8 AA	48
Phosphosite 4:	FOXRED2	Q8IWF2	Y619	PPFCQQGYLRMQGLV	57 / 7 AA	78
Phosphosite 5:	cathepsin K	P43235	Y307	ENWGNKGYILMARNK	66 / 9 AA	37
Phosphosite 6:	CTSW	P56202	Y342	AQWGEKGYFRLHRGS	62 / 8 AA	42
Phosphosite 7:	ABCA3	Q99758	Y206	PDGGEPGYIREGFLA	85 / 7 AA	191
Phosphosite 8:	FNBP1L	Q5T0N5	Y588	RQNGEEGYVPTSYID	55 / 9 AA	70
Phosphosite 9:	ITCH	Q96J02	Y737	TEENKEEYIRMVAEW	71 / 7 AA	103
Phosphosite 10:	TINAG	Q9UJW2	Y447	KSWGENGYFRILRGV	62 / 8 AA	55
Phosphosite 11:	MBOAT4	Q96T53	Y284	QSPGEEGYVPDADIW	66 / 9 AA	50
Phosphosite 12:	KIF26B	Q2KJY2	Y1384	NLSSCEGYIPMKTNI	83 / 6 AA	224
Phosphosite 13:	Btk	Q06187	Y263	DKNGQEGYIPSNYVT	71 / 7 AA	76
Phosphosite 14:	CTSC	P53634	Y438	TGWGENGYFRIRRGT	62 / 8 AA	52
Phosphosite 15:	GAL3ST2	Q9H3Q3	Y209	NAQCEEGYVRARIAE	83 / 6 AA	46
Phosphosite 16:	EML1	O00423	Y186	VFSAEEGYVKLFLRG	50 / 8 AA	90
Phosphosite 17:	PNLIPRP2	P54317	Y374	GKEKVNGYIRIALYG	71 / 7 AA	52
Phosphosite 18:	ZFYVE20	Q9H1K0	Y296	VDQKAPEYIRMAASL	100 / 5 AA	89
Phosphosite 19:	GNA15	P30679	Y175	ERITEEGYVPTAQDV	62 / 8 AA	44
Phosphosite 20:	COX6A1	P12074	S34	GAHGEEGSARMWKTL	75 / 8 AA