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:	S394
P-Site Sequence:	EASSLRSSRHSGLSH
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	S394	EASSLRSSRHSGLSH	100 / 9 AA	42
Phosphosite 1:	ZNF503	Q96F45	S13	SLSALRSSKHSGGGG	77 / 9 AA	63
Phosphosite 2:	PTGER1	P34995	S393	WEASSLRSSRHSGLS	100 / 8 AA	42
Phosphosite 3:	KRTAP26-1	Q6PEX3	S19	NSGSLRTSRHIPLTS	85 / 7 AA	23
Phosphosite 4:	KRTAP26-1	Q6PEX3	T18	SNSGSLRTSRHIPLT	85 / 7 AA	23
Phosphosite 5:	C6orf134	Q5SQI0	T204	PAPSLRATRHSRAAA	75 / 8 AA	47
Phosphosite 6:	NUDT8	Q8WV74	S54	LLYTLRSSRLTGRHK	66 / 9 AA	25
Phosphosite 7:	ZNF503	Q96F45	S12	PSLSALRSSKHSGGG	75 / 8 AA	63
Phosphosite 8:	DNAJB2	P25686	S131	SELQNRGSRHSGPFF	85 / 7 AA	36
Phosphosite 9:	CARD10	Q9BWT7	S783	QEKCLPSSRHRGPRS	66 / 9 AA	116
Phosphosite 10:	C7orf29	Q96FA7	S155	GEPLQSSSHSGAFLL	75 / 8 AA	26
Phosphosite 11:	DNMT3L	Q9UJW3	S333	NIPAIRSSRHWALVS	55 / 9 AA	44
Phosphosite 12:	HSPA12B	Q96MM6	S291	AREQLRRSRHSRTFL	85 / 7 AA	76
Phosphosite 13:	Peptidase D	P12955	T399	PGLRSLRTARHLQPG	71 / 7 AA	54
Phosphosite 14:	MAST4	O15021	S2619	RGKESLRSSPHKKAL	85 / 7 AA	284
Phosphosite 15:	Thsd4	Q6ZMP0	S140	GPTVLRGSRHPQPQG	71 / 7 AA	112
Phosphosite 16:	PRPF3	O43395	S75	EAVEEGRSSRHSKSS	100 / 6 AA	78
Phosphosite 17:	MAST4	O15021	S2620	GKESLRSSPHKKAL_	85 / 7 AA	284
Phosphosite 18:	RPL3	P39023	S23	FLPRKRSSRHRGKVK	85 / 7 AA	46
Phosphosite 19:	WNT2	P09544	S105	GRVLLRSSRESAFVY	75 / 8 AA	40
Phosphosite 20:	FLG	P20930	S720	QLQSADSSRHSGTGH	100 / 6 AA	435