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:	Y554
P-Site Sequence:	HRSYSECYPVLLDGV
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	Y554	HRSYSECYPVLLDGV	100 / 9 AA	128
Phosphosite 1:	PICK1	Q9NRD5	Y349	SKYYNDCYAVLRDAD	62 / 8 AA	47
Phosphosite 2:	POLR1B	Q9H9Y6	S551	GAPHRSYSECYPVLL	100 / 6 AA	128
Phosphosite 3:	IK	Q13123	Y449	SNSYAECYPATMDDM	55 / 9 AA	66
Phosphosite 4:	TUBGCP6	Q96RT7	Y518	HNCSNEHYPVLLSLL	75 / 8 AA	200
Phosphosite 5:	WDFY4	Q6ZS81	Y315	EFENSEGYPLLLKVL	66 / 9 AA	354
Phosphosite 6:	TTC14	Q96N46	Y537	QNRKDECYPVPANTS	100 / 5 AA	88
Phosphosite 7:	VEZT	Q9HBM0	Y468	QELVSEAYPILEQKL	71 / 7 AA	89
Phosphosite 8:	POLR1B	Q9H9Y6	Y550	DGAPHRSYSECYPVL	100 / 5 AA	128
Phosphosite 9:	C4orf41	Q7Z392	Y819	TELCDESYPALLTDI	55 / 9 AA	129
Phosphosite 10:	EPDR1	Q9UM22	Y173	IYTVKDCYPVQETFT	66 / 6 AA	25
Phosphosite 11:	SYNE1	Q8NF91	S804	TKVKECYSPLLYESQ	71 / 7 AA	1011
Phosphosite 12:	ZIMP7	Q8NF64	Y273	KRTYSEVYPGQQYLQ	83 / 6 AA	97
Phosphosite 13:	ZIMP7	Q8NF64	S270	QGVKRTYSEVYPGQQ	83 / 6 AA	97
Phosphosite 14:	CELSR3	Q9NYQ7	Y2080	SCLPCDCYPVGSTSR	66 / 6 AA	358
Phosphosite 15:	TRPM5	Q9NZQ8	S585	RLALDLFSECYSNSE	66 / 6 AA	131
Phosphosite 16:	SHROOM4	Q9ULL8	S858	QSETPTYSECFASKG	66 / 6 AA	166
Phosphosite 17:	PCDHGB1	Q9Y5G3	Y188	ESPDGSKYPVLLLEK	100 / 5 AA	100
Phosphosite 18:	C3orf75	Q0PNE2	Y138	SGEARWTYPVLLVDD	100 / 5 AA	30
Phosphosite 19:	MRPL55	Q7Z7F7	Y52	RQAYARLYPVLLVKQ	66 / 9 AA	15
Phosphosite 20:	SHROOM4	Q9ULL8	Y857	LQSETPTYSECFASK	80 / 5 AA	166