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:	HTRA3
Human P-Site:	S135
P-Site Sequence:	LGLHQLSSPRYKFNF
UniProt:	P83110
Intern. Prot. ID:	Isoform1 - IPI00027862

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HTRA3	P83110	S135	LGLHQLSSPRYKFNF	100 / 9 AA	49
Phosphosite 1:	HTRA3	P83110	S134	PLGLHQLSSPRYKFN	100 / 8 AA	49
Phosphosite 2:	FBXW7	Q969H0	S159	LPVHQLSSPFYTKTT	77 / 9 AA	80
Phosphosite 3:	MGAT4C	Q9UBM8	S66	TSTHQLNSERYVHTF	75 / 8 AA	56
Phosphosite 4:	MARCH-XI	A6NNE9	S364	VHPTQLTSPRFQCGY	71 / 7 AA	44
Phosphosite 5:	MARCH-XI	A6NNE9	T363	LVHPTQLTSPRFQCG	71 / 7 AA	44
Phosphosite 6:	CREB5	Q02930	S118	GPGTHQLSSARLPNH	85 / 7 AA	57
Phosphosite 7:	BUD13	Q9BRD0	S358	ATDSDLSSPRHKQSP	75 / 8 AA	71
Phosphosite 8:	UBE4B	O95155	S327	AAGSQPSSPRYRPYT	75 / 8 AA	146
Phosphosite 9:	HTRA3	P83110	Y138	HQLSSPRYKFNFIAD	100 / 6 AA	49
Phosphosite 10:	GHDC	Q8N2G8	S467	DHCLQEASPRYKSLR	75 / 8 AA	58
Phosphosite 11:	TCTEX1D4	Q5JR98	S164	HVRLRELSPPRYKLV	62 / 8 AA	23
Phosphosite 12:	CFH	P08603	S706	HGWAQLSSPPYYYGD	85 / 7 AA	139
Phosphosite 13:	CREB5	Q02930	S119	PGTHQLSSARLPNHD	85 / 7 AA	57
Phosphosite 14:	GRIN2A	Q12879	S1048	NRTHSLKSPRYLPEE	75 / 8 AA	165
Phosphosite 15:	C15orf37	Q8NBB2	S127	PGAHQLSSPSS____	100 / 6 AA	14
Phosphosite 16:	MUC5B	Q9HC84	S1660	TLSEGLTSPRYTSTL	71 / 7 AA	590
Phosphosite 17:	C15orf37	Q8NBB2	S126	APGAHQLSSPSS___	100 / 6 AA	14
Phosphosite 18:	VPS18	Q9P253	S529	CFRTFLSSPRHKEWL	85 / 7 AA	110
Phosphosite 19:	KIAA1688	Q9C0H5	S303	SGDSQPSSPRYGYEP	85 / 7 AA	121
Phosphosite 20:	UBE4B	O95155	S326	TAAGSQPSSPRYRPY	85 / 7 AA	146