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:	PTGS1
Human P-Site:	S264
P-Site Sequence:	DGEMYPPSVEEAPVL
UniProt:	P23219
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTGS1	P23219	S264	DGEMYPPSVEEAPVL	100 / 9 AA	69
Phosphosite 1:	LOC374569	Q86U10	S364	RGEMTPPSVEERRPS	87 / 8 AA	60
Phosphosite 2:	COX-2	P35354	T251	DGEMYPPTVKDTQAE	55 / 9 AA	69
Phosphosite 3:	PTGS1	P23219	Y261	QVLDGEMYPPSVEEA	100 / 6 AA	69
Phosphosite 4:	KIAA1632	Q9HCE0	S2410	LEQVYPSSVEEEAKL	75 / 8 AA	292
Phosphosite 5:	CYGF	P51841	S864	LTQMLPPSVAESLKK	66 / 9 AA	125
Phosphosite 6:	COX-2	P35354	Y248	QIIDGEMYPPTVKDT	83 / 6 AA	69
Phosphosite 7:	TANC2	Q9HCD6	S82	QELGPPPSVDEAANT	85 / 7 AA	220
Phosphosite 8:	HOXC10	Q9NYD6	S104	SSCSYPPSVKEENVC	85 / 7 AA	38
Phosphosite 9:	LRRC53	A6NM62	S1235	KPVLYPPSAEYATTS	66 / 9 AA	141
Phosphosite 10:	ZNF418	Q8TF45	S140	GEKPYRSSVEEALFV	75 / 8 AA	78
Phosphosite 11:	ZNF142	P52746	S771	EPSTNPPSLEEAPNN	75 / 8 AA	188
Phosphosite 12:	CCDC45	Q96GE4	S226	EDMLYPPSVLSKSRT	83 / 6 AA	95
Phosphosite 13:	CTSH	P09668	S119	GTGPYPPSVDWRKKG	83 / 6 AA	37
Phosphosite 14:	ZFYVE27	Q5T4F4	S274	TEDLTPGSVEEAEEA	66 / 9 AA	46
Phosphosite 15:	IQSEC2	Q5JU85	Y886	ILLNTDMYSPSVKAE	83 / 6 AA	162
Phosphosite 16:	KIAA1409	Q9P2D8	S680	RFTGYPSSVQEQALL	71 / 7 AA	295
Phosphosite 17:	IQSEC2	Q5JU85	S887	LLNTDMYSPSVKAER	83 / 6 AA	162
Phosphosite 18:	IQSEC2	Q5JU85	S889	NTDMYSPSVKAERKM	83 / 6 AA	162
Phosphosite 19:	GFM2	Q969S9	S351	AVTMYLPSPEERNYE	75 / 8 AA	87
Phosphosite 20:	CDX2	Q99626	S17	DVSMYPSSVRHSGGL	83 / 6 AA	34