Incidental Mutation 'R4789:Polr1b'
ID 367299
Institutional Source Beutler Lab
Gene Symbol Polr1b
Ensembl Gene ENSMUSG00000027395
Gene Name polymerase (RNA) I polypeptide B
Synonyms Rpo1-2, RPA116, 128kDa, RPA2, D630020H17Rik
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4789 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 128951257 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Lysine at position 290 (I290K)
Ref Sequence ENSEMBL: ENSMUSP00000028874 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028874] [ENSMUST00000103205]
AlphaFold P70700
Predicted Effect probably benign
Transcript: ENSMUST00000028874
AA Change: I290K

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000028874
Gene: ENSMUSG00000027395
AA Change: I290K

DomainStartEndE-ValueType
Pfam:RNA_pol_Rpb2_1 37 437 4.6e-35 PFAM
Pfam:RNA_pol_Rpb2_2 186 375 8.9e-14 PFAM
Pfam:RNA_pol_Rpb2_3 455 521 1.4e-28 PFAM
Pfam:RNA_pol_Rpa2_4 563 621 3.6e-25 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000103205
AA Change: I290K

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: I290K

DomainStartEndE-ValueType
Pfam:RNA_pol_Rpb2_1 37 423 1.7e-35 PFAM
Pfam:RNA_pol_Rpb2_2 186 375 3.2e-11 PFAM
Pfam:RNA_pol_Rpb2_3 455 520 2.1e-29 PFAM
Pfam:RNA_pol_Rpa2_4 563 621 4.1e-23 PFAM
Pfam:RNA_pol_Rpb2_6 670 1031 9.7e-118 PFAM
Pfam:RNA_pol_Rpb2_7 1033 1135 1.2e-22 PFAM
Coding Region Coverage
  • 1x: 98.8%
  • 3x: 98.4%
  • 10x: 96.9%
  • 20x: 94.4%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Eukaryotic RNA polymerase I (pol I) is responsible for the transcription of ribosomal RNA (rRNA) genes and production of rRNA, the primary component of ribosomes. Pol I is a multisubunit enzyme composed of 6 to 14 polypeptides, depending on the species. Most of the mass of the pol I complex derives from the 2 largest subunits, Rpa1 and Rpa2 in yeast. POLR1B is homologous to Rpa2 (Seither and Grummt, 1996 [PubMed 8921381]).[supplied by OMIM, Mar 2008]
PHENOTYPE: Mice homozygous for a gene trapped allele exhibit embryonic lethality prior to implantation. [provided by MGI curators]
Allele List at MGI

All alleles(18) : Gene trapped(18)

Other mutations in this stock
Total: 70 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1110004F10Rik C A 7: 115,692,757 (GRCm39) D20E probably benign Het
Abcb9 T A 5: 124,216,853 (GRCm39) M455L probably benign Het
Add2 G A 6: 86,095,752 (GRCm39) V475M probably benign Het
Apoh T A 11: 108,300,064 (GRCm39) Y238N probably damaging Het
Arpp21 A G 9: 111,896,360 (GRCm39) S681P probably benign Het
Atp1a3 A C 7: 24,698,389 (GRCm39) F149C probably damaging Het
B9d1 A G 11: 61,397,186 (GRCm39) D27G probably benign Het
Bfar T A 16: 13,503,001 (GRCm39) M1K probably null Het
Bok T C 1: 93,616,963 (GRCm39) V103A probably damaging Het
Brca1 A C 11: 101,414,758 (GRCm39) H1125Q probably benign Het
Card9 T A 2: 26,247,632 (GRCm39) M218L probably damaging Het
Cers1 T C 8: 70,776,018 (GRCm39) V303A probably damaging Het
Col6a5 T C 9: 105,814,534 (GRCm39) I493V unknown Het
Coro7 T C 16: 4,446,085 (GRCm39) Y880C probably damaging Het
Cyp2b19 T C 7: 26,463,801 (GRCm39) Y318H probably benign Het
Dennd3 T A 15: 73,394,131 (GRCm39) L52Q probably damaging Het
Dlat A T 9: 50,570,670 (GRCm39) C33S probably benign Het
Dmxl2 T A 9: 54,287,099 (GRCm39) Q2646L probably benign Het
Dnah3 T C 7: 119,610,295 (GRCm39) N1703D probably damaging Het
Dock10 T A 1: 80,518,998 (GRCm39) H1241L probably damaging Het
Fbxl17 T G 17: 63,794,910 (GRCm39) I391L probably benign Het
Fdxacb1 A G 9: 50,681,418 (GRCm39) D113G possibly damaging Het
Flii A G 11: 60,605,919 (GRCm39) S1185P probably benign Het
Gm14496 A T 2: 181,637,577 (GRCm39) Q217L possibly damaging Het
Heatr9 A T 11: 83,410,018 (GRCm39) D74E probably benign Het
Heca C A 10: 17,783,895 (GRCm39) E91* probably null Het
Ikzf4 T G 10: 128,468,575 (GRCm39) T635P probably benign Het
Kif17 C T 4: 138,008,688 (GRCm39) P382S probably damaging Het
Kmt5b T C 19: 3,865,330 (GRCm39) V775A probably benign Het
Mapk8ip2 T A 15: 89,343,241 (GRCm39) F661Y probably damaging Het
Mapkap1 A G 2: 34,423,859 (GRCm39) E111G possibly damaging Het
Med9 T A 11: 59,839,266 (GRCm39) N58K probably benign Het
Mid2 T A X: 139,578,981 (GRCm39) Y61N probably damaging Het
Mief1 T A 15: 80,132,080 (GRCm39) Y50* probably null Het
Mios T C 6: 8,235,429 (GRCm39) M859T probably benign Het
Muc5ac G T 7: 141,352,619 (GRCm39) C702F possibly damaging Het
Nkiras1 T C 14: 18,276,935 (GRCm38) probably benign Het
Or11i1 A C 3: 106,729,608 (GRCm39) I89R possibly damaging Het
Or11i1 T A 3: 106,729,624 (GRCm39) M84L possibly damaging Het
Or56a3b T G 7: 104,771,520 (GRCm39) H285Q probably null Het
Or5ae2 T A 7: 84,506,509 (GRCm39) C311S probably benign Het
Pcsk5 C T 19: 17,410,963 (GRCm39) V1810M probably benign Het
Pex1 T C 5: 3,680,270 (GRCm39) V964A probably damaging Het
Pgm2l1 A T 7: 99,916,794 (GRCm39) M471L probably benign Het
Pkd1l2 T C 8: 117,738,314 (GRCm39) T2182A probably damaging Het
Plscr1l1 G A 9: 92,233,084 (GRCm39) C69Y probably damaging Het
Prkg1 T A 19: 31,563,045 (GRCm39) M119L probably damaging Het
Rbl1 A G 2: 157,019,275 (GRCm39) V490A probably benign Het
Shtn1 G C 19: 59,039,305 (GRCm39) R45G probably damaging Het
Slc10a6 T A 5: 103,776,848 (GRCm39) Y84F probably benign Het
Slc25a23 T C 17: 57,366,597 (GRCm39) D26G probably damaging Het
Slc41a2 T C 10: 83,152,320 (GRCm39) K52E probably damaging Het
Slc4a5 T C 6: 83,247,951 (GRCm39) F501L probably benign Het
Slfn5 T A 11: 82,847,226 (GRCm39) M37K probably benign Het
Sptbn1 A C 11: 30,067,759 (GRCm39) F1818L probably benign Het
Taf3 T C 2: 9,956,770 (GRCm39) T466A probably damaging Het
Thbs2 C T 17: 14,891,750 (GRCm39) G929D probably damaging Het
Tmc3 A T 7: 83,271,746 (GRCm39) D995V probably damaging Het
Tmem262 T C 19: 6,130,452 (GRCm39) F59L possibly damaging Het
Triobp A G 15: 78,875,228 (GRCm39) D137G probably damaging Het
Tspear T C 10: 77,702,199 (GRCm39) F211L possibly damaging Het
Ttn A T 2: 76,728,670 (GRCm39) probably benign Het
Ugt2b5 T A 5: 87,287,550 (GRCm39) M206L probably benign Het
Ush1g A T 11: 115,209,466 (GRCm39) S243T probably damaging Het
Usp19 A T 9: 108,370,433 (GRCm39) T86S possibly damaging Het
Wdhd1 A G 14: 47,506,149 (GRCm39) V255A probably benign Het
Wdr11 G A 7: 129,220,394 (GRCm39) W594* probably null Het
Wnk3 T A X: 149,993,933 (GRCm39) Y331* probably null Het
Zfp429 A T 13: 67,538,523 (GRCm39) I307K probably benign Het
Zkscan14 T A 5: 145,132,444 (GRCm39) K362N probably damaging Het
Other mutations in Polr1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00489:Polr1b APN 2 128,967,829 (GRCm39) missense probably damaging 1.00
IGL00559:Polr1b APN 2 128,955,651 (GRCm39) missense probably damaging 1.00
IGL00659:Polr1b APN 2 128,960,020 (GRCm39) critical splice donor site probably null
IGL00672:Polr1b APN 2 128,967,392 (GRCm39) missense probably damaging 1.00
IGL01066:Polr1b APN 2 128,961,072 (GRCm39) missense probably damaging 1.00
IGL01536:Polr1b APN 2 128,967,475 (GRCm39) missense probably benign 0.00
IGL01596:Polr1b APN 2 128,952,046 (GRCm39) missense probably benign 0.38
IGL02156:Polr1b APN 2 128,965,799 (GRCm39) missense probably benign 0.40
IGL02398:Polr1b APN 2 128,944,886 (GRCm39) missense probably benign 0.03
IGL02797:Polr1b APN 2 128,944,899 (GRCm39) missense probably damaging 0.99
IGL02965:Polr1b APN 2 128,967,443 (GRCm39) missense probably benign 0.41
IGL03009:Polr1b APN 2 128,967,988 (GRCm39) missense probably damaging 1.00
IGL03092:Polr1b APN 2 128,965,049 (GRCm39) missense probably damaging 1.00
IGL03129:Polr1b APN 2 128,957,627 (GRCm39) missense probably benign 0.00
IGL03138:Polr1b UTSW 2 128,944,908 (GRCm39) missense probably benign 0.04
PIT4362001:Polr1b UTSW 2 128,951,212 (GRCm39) missense possibly damaging 0.84
R0038:Polr1b UTSW 2 128,957,588 (GRCm39) nonsense probably null
R0038:Polr1b UTSW 2 128,957,588 (GRCm39) nonsense probably null
R0989:Polr1b UTSW 2 128,967,997 (GRCm39) missense probably damaging 0.97
R1508:Polr1b UTSW 2 128,955,654 (GRCm39) missense probably benign 0.24
R1539:Polr1b UTSW 2 128,960,019 (GRCm39) critical splice donor site probably null
R1700:Polr1b UTSW 2 128,965,041 (GRCm39) missense probably damaging 0.99
R1843:Polr1b UTSW 2 128,944,886 (GRCm39) missense probably benign 0.03
R1920:Polr1b UTSW 2 128,943,031 (GRCm39) missense probably benign 0.00
R2414:Polr1b UTSW 2 128,945,054 (GRCm39) splice site probably benign
R3020:Polr1b UTSW 2 128,957,601 (GRCm39) missense probably benign 0.01
R3837:Polr1b UTSW 2 128,961,027 (GRCm39) missense possibly damaging 0.78
R4466:Polr1b UTSW 2 128,965,802 (GRCm39) missense probably benign 0.03
R4773:Polr1b UTSW 2 128,947,248 (GRCm39) missense probably benign 0.29
R5027:Polr1b UTSW 2 128,965,803 (GRCm39) missense possibly damaging 0.94
R5579:Polr1b UTSW 2 128,952,028 (GRCm39) missense probably damaging 1.00
R5705:Polr1b UTSW 2 128,947,271 (GRCm39) nonsense probably null
R6303:Polr1b UTSW 2 128,957,682 (GRCm39) missense probably damaging 1.00
R6313:Polr1b UTSW 2 128,967,366 (GRCm39) missense probably damaging 1.00
R6427:Polr1b UTSW 2 128,965,181 (GRCm39) missense probably damaging 0.99
R6677:Polr1b UTSW 2 128,962,131 (GRCm39) intron probably benign
R7033:Polr1b UTSW 2 128,957,562 (GRCm39) missense possibly damaging 0.82
R7163:Polr1b UTSW 2 128,967,931 (GRCm39) missense probably benign 0.44
R7184:Polr1b UTSW 2 128,965,842 (GRCm39) missense possibly damaging 0.94
R7376:Polr1b UTSW 2 128,960,993 (GRCm39) missense probably benign 0.00
R7453:Polr1b UTSW 2 128,967,583 (GRCm39) missense probably damaging 1.00
R7545:Polr1b UTSW 2 128,959,766 (GRCm39) splice site probably null
R7770:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7772:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7774:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7776:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7777:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7814:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7825:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7826:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7827:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7828:Polr1b UTSW 2 128,947,200 (GRCm39) missense probably damaging 1.00
R7959:Polr1b UTSW 2 128,950,014 (GRCm39) missense probably damaging 1.00
R8082:Polr1b UTSW 2 128,957,652 (GRCm39) missense probably benign 0.18
R8251:Polr1b UTSW 2 128,965,086 (GRCm39) missense probably damaging 1.00
R8696:Polr1b UTSW 2 128,967,571 (GRCm39) missense probably damaging 1.00
R8711:Polr1b UTSW 2 128,943,064 (GRCm39) missense probably damaging 0.99
R8746:Polr1b UTSW 2 128,954,597 (GRCm39) missense possibly damaging 0.70
R8823:Polr1b UTSW 2 128,967,457 (GRCm39) missense probably damaging 1.00
R8872:Polr1b UTSW 2 128,957,613 (GRCm39) missense probably damaging 1.00
R8901:Polr1b UTSW 2 128,967,595 (GRCm39) missense probably damaging 1.00
R8963:Polr1b UTSW 2 128,957,576 (GRCm39) missense probably benign
R9488:Polr1b UTSW 2 128,967,417 (GRCm39) missense probably damaging 1.00
R9499:Polr1b UTSW 2 128,957,684 (GRCm39) nonsense probably null
R9550:Polr1b UTSW 2 128,962,205 (GRCm39) missense unknown
R9551:Polr1b UTSW 2 128,957,684 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- TATGAGAGGCTCAGTGCAGC -3'
(R):5'- TGGACACTGTTGCAAACTTGG -3'

Sequencing Primer
(F):5'- GCTCAGTAAATTAAATGTTTGGTGG -3'
(R):5'- CACTGTTGCAAACTTGGAAAAAGC -3'
Posted On 2015-12-29