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:	S12
P-Site Sequence:	SRWRNLPSGPSLKHL
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	S12	SRWRNLPSGPSLKHL	100 / 9 AA	128
Phosphosite 1:	CCDC103	Q8IW40	S115	DWRRHLPSGPERYQA	85 / 7 AA	27
Phosphosite 2:	USP6NL	Q92738	S455	DFQRKLPSGPQDSSR	85 / 7 AA	94
Phosphosite 3:	PIAS3	Q9Y6X2	S613	GHGGPLPSGPSLTGC	100 / 7 AA	68
Phosphosite 4:	ESYT2	A0FGR8	S550	DSARNLPSGKKISSN	100 / 6 AA	102
Phosphosite 5:	C14orf135	Q63HM2	S345	TKSKDLPSGPEKHFS	71 / 7 AA	133
Phosphosite 6:	RGS14	O43566	S48	LSIHSLPSGPSSPFP	75 / 8 AA	61
Phosphosite 7:	GluR-delta1	Q9ULK0	S945	GTSRTLSSGPSSNLP	75 / 8 AA	112
Phosphosite 8:	GluR-delta1	Q9ULK0	S944	HGTSRTLSSGPSSNL	75 / 8 AA	112
Phosphosite 9:	MAP3K7IP3	Q8N5C8	S205	TVSQNLPSGQTVPRA	55 / 9 AA	79
Phosphosite 10:	NDUFC1	O43677	S21	LAPARLPSGPSVRSK	85 / 7 AA	9
Phosphosite 11:	SMF	Q12766	S827	PGEVKLPSGPSNRTS	85 / 7 AA	168
Phosphosite 12:	ZNF553	Q96MX3	S537	PRVRAQPSGPSQPHV	66 / 9 AA	68
Phosphosite 13:	PLEKHA1	Q9HB21	S51	DNPQNLPSGSSRVGA	75 / 8 AA	46
Phosphosite 14:	CRY2	Q49AN0	S554	AGPRPLPSGPASPKR	75 / 8 AA	67
Phosphosite 15:	MYCBP2	O75592	S3631	DLMMSLPSGSSLQQM	66 / 9 AA	510
Phosphosite 16:	HERC2P3	Q9BVR0	S501	TITNENPSGPSLGTI	100 / 6 AA	129
Phosphosite 17:	CDK13	Q14004	S1471	GNLQENPSGPSLMHG	100 / 6 AA	165
Phosphosite 18:	HERC2	O95714	S1773	TITNENPSGPSLGTI	100 / 6 AA	527
Phosphosite 19:	SPEN	Q96T58	S3003	TEVNHVPSGPSIPAD	62 / 8 AA	402
Phosphosite 20:	DTX2	Q86UW9	S308	AVSASLPSGPSSSPG	85 / 7 AA	67