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:	S136
P-Site Sequence:	LCQLRAASRRSERLH
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	S136	LCQLRAASRRSERLH	100 / 9 AA	51
Phosphosite 1:	IGFBP7	Q16270	S137	GCQLRAASQRAESRG	77 / 9 AA	29
Phosphosite 2:	TMEM112B	Q9BU23	S147	VAPLRPASHRKEAPQ	66 / 9 AA	80
Phosphosite 3:	P2RY1	P47900	S343	SRATRKASRRSEANL	87 / 8 AA	42
Phosphosite 4:	UBR5	O95071	S2356	SSGLRAGSRRDRDRD	85 / 7 AA	309
Phosphosite 5:	MATN4	O95460	S92	VFPLRAFSRREDMER	66 / 9 AA	68
Phosphosite 6:	LUC7L	Q9NQ29	S360	SSNGKMASRRSEEKE	75 / 8 AA	44
Phosphosite 7:	RASAL2	Q9UJF2	S1004	KERLRVSSRRLEEYE	66 / 9 AA	129
Phosphosite 8:	P2RY1	P47900	S346	TRKASRRSEANLQSK	100 / 6 AA	42
Phosphosite 9:	PIF1	Q9H611	T164	ERRLRAATRVPDTTL	55 / 9 AA	70
Phosphosite 10:	HTRA1	Q92743	S139	LRAASRRSERLHRPP	100 / 6 AA	51
Phosphosite 11:	LUC7L	Q9NQ29	S363	GKMASRRSEEKEAGE	100 / 6 AA	44
Phosphosite 12:	FOXL1	Q12952	S248	GSPLRPASRSSPKSS	75 / 8 AA	36
Phosphosite 13:	ARHGAP9	Q9BRR9	S495	SKPLLRLSSRRSSIR	75 / 8 AA	83
Phosphosite 14:	KRT25	Q7Z3Z0	S9	SLRLSSASRRSCPRP	75 / 8 AA	49
Phosphosite 15:	ARHGAP9	Q9BRR9	S496	KPLLRLSSRRSSIRG	75 / 8 AA	83
Phosphosite 16:	C17orf85	Q53F19	S389	QPRERSASRRSSASS	85 / 7 AA	71
Phosphosite 17:	FARP1	Q9Y4F1	S839	QSIIVAASSRSEMEK	66 / 9 AA	119
Phosphosite 18:	DUSP16	Q9BY84	S609	KPSDRADSRRSWHEE	85 / 7 AA	73
Phosphosite 19:	FARP1	Q9Y4F1	S840	SIIVAASSRSEMEKW	85 / 7 AA	119
Phosphosite 20:	PKN1	Q16512	S81	ELLLRGSSRRLDLLH	55 / 9 AA	104