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:	Y318
P-Site Sequence:	KLNVPDWYPNEQAAE
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	Y318	KLNVPDWYPNEQAAE	100 / 9 AA	128
Phosphosite 1:	NT5C1B	Q96P26	Y370	NARLRDLYPDEQDLF	55 / 9 AA	69
Phosphosite 2:	ASTN1	O14525	Y880	EESCSIWYPNKQVQR	83 / 6 AA	145
Phosphosite 3:	B3GALT2	O43825	Y303	WYMPPDLYPSERYPV	62 / 8 AA	49
Phosphosite 4:	CSMD2	Q7Z408	Y944	SPGFPDFYPNNLNCT	62 / 8 AA	380
Phosphosite 5:	MARS	P56192	T475	TLPGSDWTPNAQFIT	62 / 8 AA	101
Phosphosite 6:	RPE65	Q16518	Y466	VWQEPDSYPSEPIFV	71 / 7 AA	61
Phosphosite 7:	HSPB1	P04792	Y23	WDPFRDWYPHSRLFD	50 / 8 AA	23
Phosphosite 8:	amphiphysin	P49418	Y90	EVYEPDWYGREDVKM	62 / 8 AA	76
Phosphosite 9:	AIM1	Q9Y4K1	Y1569	PAEVPNWYEFSGCRQ	80 / 5 AA	189
Phosphosite 10:	ZNF638	Q14966	Y160	DLEELSRYPDEQLTP	66 / 6 AA	221
Phosphosite 11:	L3MBTL4	Q8NA19	Y57	GAWSWEWYLKEQKAV	57 / 7 AA	71
Phosphosite 12:	nNOS	P29475	Y1189	ISSSPDMYPDEVHLT	71 / 7 AA	161
Phosphosite 13:	LOC136288	Q8NEG2	Y104	AYSLPDWYIHHSKPP	80 / 5 AA	33
Phosphosite 14:	IL12B	P29460	Y38	YVVELDWYPDAPGEM	80 / 5 AA	37
Phosphosite 15:	ZNF507	Q8TCN5	Y240	EMGRRKWYAYEQYGM	50 / 8 AA	106
Phosphosite 16:	ZC3HAV1	Q7Z2W4	Y690	PTFVPQWYVQQMKRG	50 / 8 AA	101
Phosphosite 17:	CHCHD4	Q8N4Q1	Y105	MQKYPDLYPQEDEDE	71 / 7 AA	16
Phosphosite 18:	AKTIP	Q9H8T0	Y132	TVYIPDNYPDGDCPR	44 / 9 AA	33
Phosphosite 19:	MSL3L1	Q8N5Y2	Y438	WKLVPDNYPPGDQPP	83 / 6 AA	60
Phosphosite 20:	MSL3L2	P0C860	Y362	WKLVPDNYPPGDQPP	83 / 6 AA	51