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:	PTGER1
Human P-Site:	S260
P-Site Sequence:	WGAHGPRSASASSAS
UniProt:	P34995
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTGER1	P34995	S260	WGAHGPRSASASSAS	100 / 9 AA	42
Phosphosite 1:	Sos1	Q07889	S1132	TLPHGPRSASVSSIS	88 / 9 AA	152
Phosphosite 2:	GPR153	Q6NV75	S493	RPGPGPRSASASLLP	100 / 8 AA	65
Phosphosite 3:	NACAD	O15069	S1095	AQEHGPRSALGGARE	100 / 6 AA	161
Phosphosite 4:	Gab2	Q9UQC2	S140	SAGHGPRSSPAELSS	75 / 8 AA	74
Phosphosite 5:	GPR153	Q6NV75	S495	GPGPRSASASLLPDA	100 / 7 AA	65
Phosphosite 6:	MAP7D1	Q3KQU3	S364	AVPVCPRSASASPLT	100 / 7 AA	93
Phosphosite 7:	MAP7D1	Q3KQU3	S366	PVCPRSASASPLTPC	100 / 7 AA	93
Phosphosite 8:	NPAL3	Q6P499	S389	VMQEEHGSRSASGVP	85 / 7 AA	45
Phosphosite 9:	NPAL3	Q6P499	S391	QEEHGSRSASGVPYR	75 / 8 AA	45
Phosphosite 10:	PTGER1	P34995	S262	AHGPRSASASSASSI	100 / 7 AA	42
Phosphosite 11:	GPSM3	Q9Y4H4	S54	HTALGPRSASLLSLQ	85 / 7 AA	18
Phosphosite 12:	ILDR2	Q71H61	S562	SAQLGPRSASYYAWS	100 / 6 AA	71
Phosphosite 13:	SOLO	Q8TER5	S984	GAQWGPRSPSPSLSS	66 / 9 AA	165
Phosphosite 14:	SPHK2	Q9NRA0	S29	SWGHGPRSTLVRAKA	83 / 6 AA	69
Phosphosite 15:	SEC14L5	O43304	S210	LEAHGPRSTLGPALE	83 / 6 AA	79
Phosphosite 16:	FLG	P20930	S1539	HGQSGPRSASRQTRN	100 / 6 AA	435
Phosphosite 17:	SMO	Q99835	S43	ATGPGPRSAGGSARR	75 / 8 AA	86
Phosphosite 18:	TTBK1	Q5TCY1	S786	GEVLGPRSGSSSEGS	75 / 8 AA	143
Phosphosite 19:	C7orf13	Q8NI28	T33	SPAPAPRTASASRRR	75 / 8 AA	22
Phosphosite 20:	TTN	Q8WZ42	S1166	RNKHGETSASASLLE	77 / 9 AA	3816