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:	POLR1B
Human P-Site:	Y840
P-Site Sequence:	TGESFVMYYKSKENC
UniProt:	Q9H9Y6
Intern. Prot. ID:	IPI00418797

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	POLR1B	Q9H9Y6	Y840	TGESFVMYYKSKENC	100 / 9 AA	128
Phosphosite 1:	POLR1B	Q9H9Y6	Y841	GESFVMYYKSKENCV	100 / 8 AA	128
Phosphosite 2:	IRR	P14616	Y520	DLLSFIVYYKESPFQ	71 / 7 AA	144
Phosphosite 3:	PLEKHH1	Q9ULM0	Y609	LRQGQIMYYKSPSDV	83 / 6 AA	151
Phosphosite 4:	PLEKHH1	Q9ULM0	Y610	RQGQIMYYKSPSDVI	83 / 6 AA	151
Phosphosite 5:	POLR1B	Q9H9Y6	S836	LNLNTGESFVMYYKS	100 / 5 AA	128
Phosphosite 6:	RUNDC1	Q96C34	Y480	WELFVKYYHAKNGRA	62 / 8 AA	68
Phosphosite 7:	RbBP2	P29375	S1678	PPPSFIMSYKLPMED	71 / 7 AA	192
Phosphosite 8:	UBR1	Q8IWV7	Y395	FAMEFVKYYKQLQKE	83 / 6 AA	200
Phosphosite 9:	RUNDC1	Q96C34	Y479	PWELFVKYYHAKNGR	62 / 8 AA	68
Phosphosite 10:	IGF1R	P08069	Y526	DLISFTVYYKEAPFK	71 / 7 AA	155
Phosphosite 11:	TM9SF4	Q92544	Y188	NHLSFILYYHREDME	66 / 6 AA	75
Phosphosite 12:	PLEKHH1	Q9ULM0	S612	GQIMYYKSPSDVIRK	100 / 5 AA	151
Phosphosite 13:	RBM47	A0AV96	Y118	RGYAFVMYCHKHEAK	66 / 6 AA	64
Phosphosite 14:	EBP	Q15125	Y87	EGWFVLYYEDLLGDQ	57 / 7 AA	26
Phosphosite 15:	SERPINB10	P48595	Y242	KAVGLQLYYKSRDLS	44 / 9 AA	45
Phosphosite 16:	PRIC285	Q9BYK8	Y2440	AFPSVAFYKSKLKTW	71 / 7 AA	295
Phosphosite 17:	CLCA3P	Q9Y6N3	Y84	SILIPMTYKSKSEYL	62 / 8 AA	30
Phosphosite 18:	ZRANB1	Q9UGI0	Y545	IVYGVKYYKSFRGET	83 / 6 AA	81
Phosphosite 19:	UPF0639 protein	A6NEE1	Y61	IKESFLLYYSESEKK	66 / 6 AA	59
Phosphosite 20:	DALRD3	Q5D0E6	T401	TKGTKSGTFVMYNCA	80 / 5 AA	59