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:	POLR2A
Human P-Site:	Y1581
P-Site Sequence:	SPGPSSPYIPSPGGA
UniProt:	P24928
Intern. Prot. ID:	IPI00783837

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	POLR2A	P24928	Y1581	SPGPSSPYIPSPGGA	100 / 9 AA	217
Phosphosite 1:	POLR2A	P24928	S1579	PGSPGPSSPYIPSPG	100 / 7 AA	217
Phosphosite 2:	POLR2A	P24928	S1584	PSSPYIPSPGGAMSP	100 / 6 AA	217
Phosphosite 3:	CDSN	Q15517	Y239	IVSHSGPYIPSSHSV	85 / 7 AA	52
Phosphosite 4:	MUC3B	Q9H195	S291	TIHSVPSSPYIFSTE	100 / 6 AA	96
Phosphosite 5:	MUC3A	Q02505	S1931	TIHSVPSSPYIFSTE	100 / 6 AA	266
Phosphosite 6:	WHSC2	Q9H3P2	S336	PSVVPASSYIPSSET	75 / 8 AA	57
Phosphosite 7:	POLR2A	P24928	S1578	SPGSPGPSSPYIPSP	100 / 6 AA	217
Phosphosite 8:	SMARCD3	Q6STE5	Y50	MGPPGSPYMGSPAVR	66 / 9 AA	55
Phosphosite 9:	DLX1	P56177	Y83	SSHASSPYISSVQSY	75 / 8 AA	27
Phosphosite 10:	WHSC2	Q9H3P2	Y337	SVVPASSYIPSSETP	75 / 8 AA	57
Phosphosite 11:	SLAIN1	Q8ND83	Y369	RRSPSSQYFPSNNYQ	75 / 8 AA	61
Phosphosite 12:	KCNT1	Q5JUK3	Y740	GYPPNSPYIGSSPTL	75 / 8 AA	138
Phosphosite 13:	TAF3	Q5VWG9	Y491	NMPPNFPYISSPSVS	66 / 9 AA	104
Phosphosite 14:	FAM46A	Q96IP4	S18	SEDELACSPYIPLGG	71 / 7 AA	50
Phosphosite 15:	DKFZp451F163	Q99081	Y195	PGLPSSVYAPSPNSD	77 / 9 AA	73
Phosphosite 16:	Smad5	Q99717	Y193	PLSPNSPYPPSPASS	77 / 9 AA	52
Phosphosite 17:	WT1	P19544	Y133	RMFPNAPYLPSCLES	62 / 8 AA	49
Phosphosite 18:	CNKSR2	Q8WXI2	Y361	PPPPAEPYIPRDEKG	62 / 8 AA	117
Phosphosite 19:	NPNT	Q6UXI9	T299	STWWPPKTPYIPPII	71 / 7 AA	62
Phosphosite 20:	AMHR2	Q16671	Y465	VQERRRPYIPSTWRC	62 / 8 AA	63