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:	HTRA1
Human P-Site:	S270
P-Site Sequence:	PVLLLGRSSELRPGE
UniProt:	Q92743
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HTRA1	Q92743	S270	PVLLLGRSSELRPGE	100 / 9 AA	51
Phosphosite 1:	HTRA4	P83105	S268	PVLMLGRSSDLRAGE	77 / 9 AA	51
Phosphosite 2:	ARHGEF4	Q9NR80	S497	GEDLLVRSSELIYSG	87 / 8 AA	79
Phosphosite 3:	C10orf131	A6NCD4	S97	EGSALGKSSEQRPVN	75 / 8 AA	30
Phosphosite 4:	FAM123B	Q5JTC6	S532	LYDLHGRSSEMFDPF	75 / 8 AA	124
Phosphosite 5:	HtrA2	O43464	S248	PTLPLGRSADVRQGE	62 / 8 AA	49
Phosphosite 6:	RWDD2A	Q9UIY3	S92	LQLFGRSSELDRHQQ	85 / 7 AA	34
Phosphosite 7:	ZNF229	Q9UJW7	S557	GKSFGRSSDLHIHQR	62 / 8 AA	94
Phosphosite 8:	SPATA13	Q96N96	S453	GLDILDRSSELIHSG	75 / 8 AA	75
Phosphosite 9:	ARHGEF9	O43307	S316	GEDILDRSSELIYTG	75 / 8 AA	61
Phosphosite 10:	ZNF229	Q9UJW7	S556	CGKSFGRSSDLHIHQ	62 / 8 AA	94
Phosphosite 11:	STRN4	Q9NRL3	S206	VRSLLGRSLELNGAV	87 / 8 AA	81
Phosphosite 12:	SPATA13	Q96N96	S454	LDILDRSSELIHSGE	85 / 7 AA	75
Phosphosite 13:	ARHGEF9	O43307	S317	EDILDRSSELIYTGE	85 / 7 AA	61
Phosphosite 14:	IL20RA	Q9UHF4	S333	DMSLLGKSSDVSSLN	62 / 8 AA	62
Phosphosite 15:	LRRC28	Q86X40	S202	LPLDLGRSRELQYVY	75 / 8 AA	42
Phosphosite 16:	BRWD1	Q9NSI6	S1570	RSGLSRSSNLRVTRT	75 / 8 AA	263
Phosphosite 17:	C21orf67	P58512	S98	QGPLLDRSSESTLGP	85 / 7 AA	21
Phosphosite 18:	GPX6	P59796	S165	PTSDLLGSSSQLFWE	75 / 8 AA	25
Phosphosite 19:	MYT1L	Q9UL68	S247	NENLGRKSELSLDLD	85 / 7 AA	133
Phosphosite 20:	BRWD1	Q9NSI6	S1569	SRSGLSRSSNLRVTR	75 / 8 AA	263