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:	KLK4
Human P-Site:	S127
P-Site Sequence:	IKLDESVSESDTIRS
UniProt:	Q9Y5K2
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	KLK4	Q9Y5K2	S127	IKLDESVSESDTIRS	100 / 9 AA	27
Phosphosite 1:	CAGE1	Q8TC20	S31	HEKVESMSESDTMNV	87 / 8 AA	90
Phosphosite 2:	KLK4	Q9Y5K2	S129	LDESVSESDTIRSIS	100 / 7 AA	27
Phosphosite 3:	KLK4	Q9Y5K2	S125	MLIKLDESVSESDTI	100 / 7 AA	27
Phosphosite 4:	KIAA0947	Q9Y2F5	S393	RNSAESVSEDDTTES	87 / 8 AA	248
Phosphosite 5:	VCAN	P13611	T1523	KKGAESVTERDTEVG	75 / 8 AA	373
Phosphosite 6:	SART3	Q15020	S63	DQQEEGVSESDGDEY	75 / 8 AA	110
Phosphosite 7:	SLC22A24	Q8N4F4	S60	LLDNDSVSDNDTGTL	55 / 9 AA	36
Phosphosite 8:	ZNF225	Q9UK10	S90	QMEMETVSESGTHEG	75 / 8 AA	82
Phosphosite 9:	CCDC6	Q16204	S6	__MADSASESDTDGA	75 / 8 AA	53
Phosphosite 10:	RRP15	Q9Y3B9	S278	DSRPESASDSDT___	75 / 8 AA	31
Phosphosite 11:	CAGE1	Q8TC20	S33	KVESMSESDTMNVSN	85 / 7 AA	90
Phosphosite 12:	RYR3	Q15413	S2349	LNKDGSVSEPDMAAN	66 / 9 AA	552
Phosphosite 13:	IFIH1	Q9BYX4	S258	DSSVVSESDTSLAEG	100 / 6 AA	117
Phosphosite 14:	OSBP	P22059	S200	SGDEESVSQTDKTEL	62 / 8 AA	89
Phosphosite 15:	SNCAIP	Q9Y6H5	S676	QLMQRSLSESDTDSN	85 / 7 AA	100
Phosphosite 16:	IFIH1	Q9BYX4	S256	FADSSVVSESDTSLA	100 / 6 AA	117
Phosphosite 17:	WDR42A	Q5TAQ9	S578	ADSDESPSSSDTSDE	77 / 9 AA	67
Phosphosite 18:	ADAMTS12	P58397	S1107	QPSEENVSSSDTGPT	66 / 9 AA	178
Phosphosite 19:	SBNO1	A3KN83	S735	SSSDDSGSESDASDN	66 / 9 AA	154
Phosphosite 20:	TOP2B	Q02880	S1342	WSDDESKSESDLEET	87 / 8 AA	183