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:	PTGDR
Human P-Site:	S254
P-Site Sequence:	RADGREASPQPLEEL
UniProt:	Q13258
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTGDR	Q13258	S254	RADGREASPQPLEEL	100 / 9 AA	40
Phosphosite 1:	C15orf2	Q9NZP6	T644	QLFGKEATPQPKFEA	75 / 8 AA	121
Phosphosite 2:	PHRF1	Q9P1Y6	S1202	KGAVREASPAPLAQG	87 / 8 AA	179
Phosphosite 3:	MED13L	Q71F56	S1376	GTYGSEESPEPLPIP	66 / 9 AA	243
Phosphosite 4:	Bcl-11A	Q9H165	S18	HLSKREFSPEPLEAI	75 / 8 AA	91
Phosphosite 5:	NHSL1	Q5SYE7	S1599	SAEGREPSPQCGGSL	85 / 7 AA	171
Phosphosite 6:	TAGAP	Q8N103	S354	PQDAREVSPEPIVST	55 / 9 AA	81
Phosphosite 7:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	Y243	APQGREPYPQPPTRR	75 / 8 AA	72
Phosphosite 8:	FOXP1	Q9H334	S399	SKSASEASPQSLPHT	66 / 9 AA	75
Phosphosite 9:	FOXK2	Q01167	S398	ESLSREGSPAPLEPE	75 / 8 AA	69
Phosphosite 10:	CAD	P27708	S1900	PPVPRQASPQNLGTP	75 / 8 AA	243
Phosphosite 11:	SKT	Q5T5P2	S1711	SHIAQEASPRPLLVP	66 / 9 AA	214
Phosphosite 12:	N-Myc	P04198	S355	KKIKSEASPRPLKSV	85 / 7 AA	50
Phosphosite 13:	NUP85	Q9BW27	S341	LFLGGESSPEPLDNI	66 / 9 AA	75
Phosphosite 14:	GON4	Q3T8J9	S1902	SSPHREASPMPGAKE	85 / 7 AA	249
Phosphosite 15:	PLEKHN1	Q494U1	S611	VSSAREGSPEPWLPL	55 / 9 AA	72
Phosphosite 16:	GATA5	Q9BWX5	S52	YLSGCEPSPQPPELA	75 / 8 AA	41
Phosphosite 17:	CCBP2	O00590	S6	__MAATASPQPLATE	100 / 6 AA	43
Phosphosite 18:	C9orf173	Q8N7X2	S120	SPSVRESSPHPHYSI	71 / 7 AA	43
Phosphosite 19:	GNAS	Q5JWF2	S625	GCFGRSESPQPKASR	75 / 8 AA	111
Phosphosite 20:	C9orf173	Q8N7X2	S119	PSPSVRESSPHPHYS	71 / 7 AA	43