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:	Y687
P-Site Sequence:	NQSPRNMYQCQMGKQ
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	Y687	NQSPRNMYQCQMGKQ	100 / 9 AA	128
Phosphosite 1:	POLR3B	Q9NW08	Y685	NQSPRNTYQCAMGKQ	77 / 9 AA	128
Phosphosite 2:	POLR2B	P30876	Y724	NQSPRNTYQSAMGKQ	66 / 9 AA	134
Phosphosite 3:	CARD6	Q9BX69	Y399	RQVMSNMYQCQFALP	85 / 7 AA	116
Phosphosite 4:	PIBF1	Q8WXW3	T482	EETARNLTQCQLECE	55 / 9 AA	90
Phosphosite 5:	MGC27016	Q8TBY0	Y73	GKIPRDMYEDELVPV	44 / 9 AA	60
Phosphosite 6:	AhR (aryl hydrocarbon receptor)	P35869	Y772	YAGAVSMYQCQPEPQ	83 / 6 AA	96
Phosphosite 7:	ETV1	P50549	Y211	PREGRPMYQRQMSEP	75 / 8 AA	55
Phosphosite 8:	POLR2B	P30876	T723	HNQSPRNTYQSAMGK	71 / 7 AA	134
Phosphosite 9:	ZNF366	Q8N895	Y124	PQPPRPKYDSQMIDL	55 / 9 AA	85
Phosphosite 10:	GCGR	P47871	S119	GQPWRDASQCQMDGE	62 / 8 AA	54
Phosphosite 11:	C5orf41	Q8IUR6	Y465	DTLPSNMYQKNGLHH	83 / 6 AA	72
Phosphosite 12:	claudin 14	O95500	Y62	VWHSTGIYQCQIYRS	57 / 7 AA	26
Phosphosite 13:	PSMC2	P35998	Y147	VGVDRNKYQIHIPLP	50 / 8 AA	49
Phosphosite 14:	CLEC18C	Q8NCF0	Y430	RCKTRNRYICQFAQE	55 / 9 AA	50
Phosphosite 15:	CLEC18B	Q6UXF7	Y439	RCKTRNRYICQFAQE	55 / 9 AA	50
Phosphosite 16:	CLEC18A	A5D8T8	Y430	RCKTRNRYICQFAQE	55 / 9 AA	50
Phosphosite 17:	ZNF511	Q8NB15	Y144	LSERQDMYQCLVEGC	66 / 6 AA	29
Phosphosite 18:	MBIP	Q9NS73	Y272	GPVPRDIYQRIKKLE	66 / 6 AA	39
Phosphosite 19:	NKRF	O15226	Y97	ASMPRDIYQDYTQDS	66 / 6 AA	78
Phosphosite 20:	ZMAT3	Q9HA38	T214	PNRRNMYTVQNNSAG	71 / 7 AA	32