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:	HtrA2
Human P-Site:	S276
P-Site Sequence:	TITSGIVSSAQRPAR
UniProt:	O43464
Intern. Prot. ID:	Isoform1 - IPI00001665

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HtrA2	O43464	S276	TITSGIVSSAQRPAR	100 / 9 AA	49
Phosphosite 1:	HtrA2	O43464	S277	ITSGIVSSAQRPARD	100 / 8 AA	49
Phosphosite 2:	HTRA1	Q92743	S298	TVTTGIVSTTQRGGK	66 / 9 AA	51
Phosphosite 3:	SAMD4	Q9UPU9	S621	LGTSGFVSSNQRNTT	77 / 9 AA	59
Phosphosite 4:	PR (Progesterone)	P06401	S866	RQKGVVSSSQRFYQL	75 / 8 AA	99
Phosphosite 5:	SAMD4	Q9UPU9	S622	GTSGFVSSNQRNTTA	75 / 8 AA	59
Phosphosite 6:	NPPA	P01160	S88	PPWTGEVSPAQRDGG	66 / 9 AA	17
Phosphosite 7:	ERK5	Q13164	S70	NGAYGVVssARRRLT	75 / 8 AA	88
Phosphosite 8:	ERK5	Q13164	S71	GAYGVVssARRRLTG	75 / 8 AA	88
Phosphosite 9:	FAM26D	Q5JW98	S10	PTLNNIVSSLQRNGI	66 / 9 AA	35
Phosphosite 10:	SOLH	O75808	S400	GRSCGRVSSAQKAAR	66 / 9 AA	117
Phosphosite 11:	HTRA1	Q92743	T300	TTGIVSTTQRGGKEL	71 / 7 AA	51
Phosphosite 12:	ARSF	P54793	S98	PIRSGMVSSGNRRVI	66 / 9 AA	66
Phosphosite 13:	GAPVD1	Q14C86	S907	SRSSDIVSSVRRPMS	66 / 9 AA	165
Phosphosite 14:	PTPN13	Q12923	S1085	HKRWSIVSSPEREIT	55 / 9 AA	277
Phosphosite 15:	ATP5L2	Q7Z4Y8	S58	QSLKKIVSSAQTGSF	100 / 6 AA	11
Phosphosite 16:	PPP1R3A	Q16821	T984	SRSSGIVTSGSRKER	66 / 9 AA	126
Phosphosite 17:	LAMB3	Q13751	S865	ESASQIQSSAQRLET	77 / 9 AA	130
Phosphosite 18:	SOLH	O75808	S401	RSCGRVSSAQKAARV	75 / 8 AA	117
Phosphosite 19:	HSF2	Q03933	S131	EDLTKIISSAQKVQI	71 / 7 AA	60
Phosphosite 20:	PTPN13	Q12923	S1086	KRWSIVSSPEREITL	62 / 8 AA	277