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:	KLKB1
Human P-Site:	S261
P-Site Sequence:	NVCLLKTSESGTPSS
UniProt:	P03952
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	KLKB1	P03952	S261	NVCLLKTSESGTPSS	100 / 9 AA	71
Phosphosite 1:	KLKB1	P03952	T260	RNVCLLKTSESGTPS	100 / 8 AA	71
Phosphosite 2:	F11	P03951	T259	RNLCLLKTSESGLPS	100 / 8 AA	70
Phosphosite 3:	F11	P03951	S260	NLCLLKTSESGLPST	100 / 8 AA	70
Phosphosite 4:	TTN	Q8WZ42	T5197	LELYLVKTSDSGTYT	75 / 8 AA	3816
Phosphosite 5:	KLKB1	P03952	S263	CLLKTSESGTPSSST	100 / 7 AA	71
Phosphosite 6:	SPANXD	Q9BXN6	S45	APKKLKTSESSTILV	87 / 8 AA	11
Phosphosite 7:	SPANXE	Q8TAD1	S45	APKKLKTSESSTILV	87 / 8 AA	11
Phosphosite 8:	DONSON	Q9NYP3	S490	SLTMLLKSSQSGSFS	75 / 8 AA	63
Phosphosite 9:	SPANXC	Q9NY87	S45	APKKMKTSESSTILV	75 / 8 AA	11
Phosphosite 10:	SPANXA1	Q9NS26	S45	APKKMKTSESSTILV	75 / 8 AA	11
Phosphosite 11:	SPANXB1	Q9NS25	S51	APKKMKTSESSTILV	75 / 8 AA	12
Phosphosite 12:	TTN	Q8WZ42	S5200	YLVKTSDSGTYTCKV	85 / 7 AA	3816
Phosphosite 13:	SLCO5A1	Q9H2Y9	S164	ERRYSLKSSESGLLV	85 / 7 AA	92
Phosphosite 14:	BUB1B	O60566	T563	RPLAVLKTSESITSN	85 / 7 AA	120
Phosphosite 15:	SLCO5A1	Q9H2Y9	S165	RRYSLKSSESGLLVS	85 / 7 AA	92
Phosphosite 16:	KCTD18	Q6PI47	T50	SGRFPLKTDESGACV	85 / 7 AA	47
Phosphosite 17:	IGF2R	P11717	S1781	TPKLLRTSECDFVFE	62 / 8 AA	274
Phosphosite 18:	F11	P03951	S262	CLLKTSESGLPSTRI	100 / 6 AA	70
Phosphosite 19:	SPANXD	Q9BXN6	T44	PAPKKLKTSESSTIL	85 / 7 AA	11
Phosphosite 20:	SPANXE	Q8TAD1	T44	PAPKKLKTSESSTIL	85 / 7 AA	11