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:	HTRA4
Human P-Site:	Y323
P-Site Sequence:	QIDATINYGNSGGPL
UniProt:	P83105
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HTRA4	P83105	Y323	QIDATINYGNSGGPL	100 / 9 AA	51
Phosphosite 1:	HTRA1	Q92743	Y325	QTDAIINYGNSGGPL	88 / 9 AA	51
Phosphosite 2:	HTRA3	P83110	Y302	QTDAIINYGNSGGPL	88 / 9 AA	49
Phosphosite 3:	HTRA4	P83105	T320	DYVQIDATINYGNSG	100 / 6 AA	51
Phosphosite 4:	C7orf23	Q9BU79	Y9	EDFATRTYGTSGLDN	66 / 9 AA	13
Phosphosite 5:	SLC6A20	Q9NP91	Y306	GFKATFNYENCLKKV	62 / 8 AA	66
Phosphosite 6:	IMPA2	O14732	Y282	QALQTINYGRDDEK_	100 / 5 AA	31
Phosphosite 7:	TBC1D23	Q9NUY8	Y658	PELITFKYGNSSASG	62 / 8 AA	78
Phosphosite 8:	CEP350	Q5VT06	S850	AKKLAGASINYGSAW	83 / 6 AA	351
Phosphosite 9:	TIGD2	Q4W5G0	Y55	NKERIINYANSSDPT	62 / 8 AA	60
Phosphosite 10:	KCNK17	Q96T54	Y119	STITTIGYGNLSPNT	71 / 7 AA	37
Phosphosite 11:	RANBP6	O60518	Y1061	KINETINYEDPCAKR	50 / 8 AA	125
Phosphosite 12:	EBF1	Q9UH73	Y354	LNEPTIDYGFQRLQK	66 / 6 AA	64
Phosphosite 13:	EBF2	Q9HAK2	Y345	LNEPTIDYGFQRLQK	66 / 6 AA	63
Phosphosite 14:	ECT2	Q9H8V3	Y398	TPESSINYGDTPKSC	50 / 8 AA	100
Phosphosite 15:	EBF3	Q9H4W6	Y355	LNEPTIDYGFQRLQK	66 / 6 AA	65
Phosphosite 16:	EBF4	Q9BQW3	Y348	LNEPTIDYGFQRLQK	66 / 6 AA	64
Phosphosite 17:	SLC27A3	Q5K4L6	Y484	GNVATINYTGQRGAV	100 / 5 AA	79
Phosphosite 18:	TYKY	O00217	Y84	REPATINYPFEKGPL	100 / 5 AA	24
Phosphosite 19:	PTBP1	P26599	Y430	DQGLTKDYGNSPLHR	71 / 7 AA	57
Phosphosite 20:	FLNB	O75369	Y1818	PLQFYVNYPNSGSVS	71 / 7 AA	278