Incidental Mutation 'R8872:Polr1b'
ID 676337
Institutional Source Beutler Lab
Gene Symbol Polr1b
Ensembl Gene ENSMUSG00000027395
Gene Name polymerase (RNA) I polypeptide B
Synonyms Rpo1-2, RPA116, 128kDa, RPA2, D630020H17Rik
MMRRC Submission 068743-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8872 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 128957613 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 556 (V556A)
Ref Sequence ENSEMBL: ENSMUSP00000099494 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028874] [ENSMUST00000103205]
AlphaFold P70700
Predicted Effect probably damaging
Transcript: ENSMUST00000028874
AA Change: V556A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000028874
Gene: ENSMUSG00000027395
AA Change: V556A

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 damaging
Transcript: ENSMUST00000103205
AA Change: V556A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: V556A

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: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.5%
Validation Efficiency 99% (74/75)
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: 73 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700067P10Rik A G 17: 48,401,164 (GRCm39) S150G possibly damaging Het
Alpk2 A T 18: 65,413,977 (GRCm39) S1579R probably damaging Het
Ank2 C T 3: 126,791,525 (GRCm39) E814K possibly damaging Het
Cep57 A G 9: 13,737,980 (GRCm39) probably benign Het
Cntnap4 A T 8: 113,585,759 (GRCm39) R1127S possibly damaging Het
Comt C A 16: 18,245,239 (GRCm39) probably benign Het
Crlf3 T C 11: 79,938,440 (GRCm39) N399S Het
Crls1 T A 2: 132,691,819 (GRCm39) S115T probably benign Het
Dixdc1 A G 9: 50,614,453 (GRCm39) S199P possibly damaging Het
Dsc3 T C 18: 20,122,679 (GRCm39) T82A probably benign Het
Efcab3 T G 11: 104,760,880 (GRCm39) L2411R probably benign Het
Exosc6 T A 8: 111,783,784 (GRCm39) V261E probably damaging Het
Fbxw17 C T 13: 50,586,300 (GRCm39) S361L probably benign Het
Gfap T A 11: 102,786,620 (GRCm39) N157Y possibly damaging Het
Gigyf2 A T 1: 87,307,725 (GRCm39) D177V unknown Het
Gls2 A T 10: 128,040,535 (GRCm39) Q312L probably benign Het
Gpr155 C T 2: 73,197,936 (GRCm39) V395I probably benign Het
Greb1l A T 18: 10,529,684 (GRCm39) M889L probably benign Het
Gucy1a1 T A 3: 82,016,049 (GRCm39) D313V probably damaging Het
H2-T5 T A 17: 36,476,293 (GRCm39) I324F probably benign Het
Herpud1 C T 8: 95,113,213 (GRCm39) probably benign Het
Idh2 TCCCAGG T 7: 79,748,079 (GRCm39) probably benign Het
Il27 A C 7: 126,190,194 (GRCm39) L140R probably damaging Het
Jarid2 T C 13: 45,055,984 (GRCm39) S397P possibly damaging Het
Kdm5a A C 6: 120,365,101 (GRCm39) D334A probably damaging Het
Lman2 T C 13: 55,496,197 (GRCm39) T283A probably benign Het
Lrfn2 C T 17: 49,378,277 (GRCm39) Q453* probably null Het
Lrrfip2 A G 9: 111,034,824 (GRCm39) E171G possibly damaging Het
Mboat1 T A 13: 30,410,397 (GRCm39) Y285N probably damaging Het
Med15 C A 16: 17,470,605 (GRCm39) S734I probably damaging Het
Mgat4c T A 10: 102,224,146 (GRCm39) I120N probably damaging Het
Ms4a4d T C 19: 11,530,251 (GRCm39) M104T possibly damaging Het
Mtf2 A T 5: 108,247,051 (GRCm39) M330L probably benign Het
Myoc T C 1: 162,475,013 (GRCm39) V188A probably benign Het
Nos2 T A 11: 78,839,949 (GRCm39) I686N probably damaging Het
Npffr1 T C 10: 61,461,794 (GRCm39) V310A probably benign Het
Nrap T C 19: 56,308,627 (GRCm39) *1729W probably null Het
Odam A G 5: 88,035,797 (GRCm39) probably null Het
Olfm4 G T 14: 80,258,943 (GRCm39) R397L probably damaging Het
Or1p1c T G 11: 74,160,120 (GRCm39) probably benign Het
Prl3d3 A G 13: 27,346,324 (GRCm39) D186G possibly damaging Het
Psmc5 C A 11: 106,152,746 (GRCm39) Y189* probably null Het
Rasgrp4 A G 7: 28,838,521 (GRCm39) Y123C possibly damaging Het
Rtn4 A G 11: 29,658,633 (GRCm39) E929G probably benign Het
Scrn2 A T 11: 96,922,961 (GRCm39) I135F probably damaging Het
Sec24d T A 3: 123,148,585 (GRCm39) probably benign Het
Secisbp2l T C 2: 125,594,892 (GRCm39) T523A probably benign Het
Skic3 T C 13: 76,333,326 (GRCm39) L1525P probably damaging Het
Slain1 T A 14: 103,925,841 (GRCm39) probably null Het
Slc22a29 A G 19: 8,137,931 (GRCm39) V548A probably damaging Het
Slc25a32 T C 15: 38,969,339 (GRCm39) I65V probably benign Het
Slc30a7 A T 3: 115,740,317 (GRCm39) M378K possibly damaging Het
Smarcd1 T A 15: 99,608,975 (GRCm39) I383N probably damaging Het
Spata31h1 A T 10: 82,128,619 (GRCm39) S1464T probably benign Het
Spdye4b G T 5: 143,187,815 (GRCm39) K156N probably damaging Het
Sptb A G 12: 76,658,813 (GRCm39) Y1241H probably benign Het
Ssu2 G A 6: 112,357,956 (GRCm39) T129I probably damaging Het
Supt16 A G 14: 52,411,544 (GRCm39) V613A probably benign Het
Sycp3 A T 10: 88,302,388 (GRCm39) E126V probably damaging Het
Tatdn2 A T 6: 113,681,170 (GRCm39) Y401F probably damaging Het
Tigd4 T C 3: 84,501,547 (GRCm39) S155P probably benign Het
Tnrc6b A G 15: 80,802,290 (GRCm39) N1502S probably benign Het
Ttf2 A G 3: 100,870,644 (GRCm39) V143A probably benign Het
Ttn T A 2: 76,618,747 (GRCm39) D16179V probably damaging Het
Vmn2r106 A T 17: 20,488,401 (GRCm39) M666K probably benign Het
Vwa5b1 A T 4: 138,305,956 (GRCm39) V914D probably damaging Het
Wnk2 T C 13: 49,210,960 (GRCm39) M1632V probably benign Het
Zbtb26 T A 2: 37,326,913 (GRCm39) N41I probably damaging Het
Zc3h12a T C 4: 125,020,412 (GRCm39) N144D probably damaging Het
Zfp266 A T 9: 20,411,275 (GRCm39) C301S probably benign Het
Zfp580 A G 7: 5,056,216 (GRCm39) H192R possibly damaging Het
Zfp748 A G 13: 67,689,914 (GRCm39) C449R probably damaging Het
Zp2 T C 7: 119,733,025 (GRCm39) I612V probably benign 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
R4789:Polr1b UTSW 2 128,951,257 (GRCm39) missense probably benign 0.00
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
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'- CTTTAGGAATCCGCGTGTGC -3'
(R):5'- TGACCACTGTAGACATAACCAG -3'

Sequencing Primer
(F):5'- TCTCACAGGAGATGGGTGC -3'
(R):5'- GGACACTTCATCAACTAGGAAAGGC -3'
Posted On 2021-07-15