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:	S277
P-Site Sequence:	ITSGIVSSAQRPARD
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	S277	ITSGIVSSAQRPARD	100 / 9 AA	49
Phosphosite 1:	HtrA2	O43464	S276	TITSGIVSSAQRPAR	100 / 8 AA	49
Phosphosite 2:	HTRA1	Q92743	S298	TVTTGIVSTTQRGGK	75 / 8 AA	51
Phosphosite 3:	PR (Progesterone)	P06401	S866	RQKGVVSSSQRFYQL	75 / 8 AA	99
Phosphosite 4:	GAPVD1	Q14C86	S908	RSSDIVSSVRRPMSD	66 / 9 AA	165
Phosphosite 5:	IDUA	P35475	S423	HTVGVLASAHRPQGP	55 / 9 AA	73
Phosphosite 6:	SAMD4	Q9UPU9	S622	GTSGFVSSNQRNTTA	75 / 8 AA	59
Phosphosite 7:	PIK3CA	P42336	S774	EECRIMSSAKRPLWL	75 / 8 AA	124
Phosphosite 8:	SAMD4	Q9UPU9	S621	LGTSGFVSSNQRNTT	75 / 8 AA	59
Phosphosite 9:	ERK5	Q13164	S70	NGAYGVVssARRRLT	75 / 8 AA	88
Phosphosite 10:	ERK5	Q13164	S71	GAYGVVssARRRLTG	66 / 9 AA	88
Phosphosite 11:	LCE6A	A0A183	S45	HSEGCHSSSQRPEVQ	66 / 9 AA	9
Phosphosite 12:	DPYSL5	Q9BPU6	S324	DTLNIVASDHRPFTT	55 / 9 AA	61
Phosphosite 13:	C1orf26	Q5T5J6	S92	RRPKIGSSSQRPIKL	75 / 8 AA	103
Phosphosite 14:	Separase	Q14674	T89	CDGYLVSTPQRPPLY	62 / 8 AA	233
Phosphosite 15:	FAM26D	Q5JW98	S10	PTLNNIVSSLQRNGI	75 / 8 AA	35
Phosphosite 16:	C1orf26	Q5T5J6	S93	RPKIGSSSQRPIKLK	75 / 8 AA	103
Phosphosite 17:	NPPA	P01160	S88	PPWTGEVSPAQRDGG	75 / 8 AA	17
Phosphosite 18:	CDSN	Q15517	S213	SSGQSVSSNQRPCSS	85 / 7 AA	52
Phosphosite 19:	HTRA1	Q92743	T300	TTGIVSTTQRGGKEL	71 / 7 AA	51
Phosphosite 20:	ANKRD36B	Q8N2N9	S399	QIRGTVSSQRRPALK	66 / 9 AA	127