Incidental Mutation 'R7774:Polr1b'
ID 598746
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 045830-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7774 (G1)
Quality Score 225.009
Status Validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 128967464 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 952 (F952L)
Ref Sequence ENSEMBL: ENSMUSP00000099494 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028874] [ENSMUST00000035481] [ENSMUST00000103205]
AlphaFold P70700
Predicted Effect probably benign
Transcript: ENSMUST00000028874
SMART Domains Protein: ENSMUSP00000028874
Gene: ENSMUSG00000027395

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: ENSMUST00000035481
SMART Domains Protein: ENSMUSP00000044253
Gene: ENSMUSG00000037938

DomainStartEndE-ValueType
PDB:2LQL|A 1 110 2e-69 PDB
Predicted Effect probably damaging
Transcript: ENSMUST00000103205
AA Change: F952L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: F952L

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
Meta Mutation Damage Score 0.8328 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 100% (64/64)
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: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy6 G T 15: 98,494,414 (GRCm39) T809N probably benign Het
Adgb C A 10: 10,215,404 (GRCm39) E1561* probably null Het
Adgra1 A T 7: 139,427,628 (GRCm39) H65L possibly damaging Het
Adprhl1 C T 8: 13,298,682 (GRCm39) V83I probably damaging Het
Atrnl1 G T 19: 57,688,103 (GRCm39) G856V probably damaging Het
Cc2d2b A G 19: 40,754,161 (GRCm39) K177E unknown Het
Ccdc122 T C 14: 77,305,379 (GRCm39) V11A probably benign Het
Clasp2 T A 9: 113,677,804 (GRCm39) probably null Het
Col6a1 T C 10: 76,545,710 (GRCm39) T921A unknown Het
Cul3 A C 1: 80,247,011 (GRCm39) D697E probably benign Het
Defa34 G A 8: 22,155,978 (GRCm39) E56K probably benign Het
Dhrs7c A G 11: 67,700,641 (GRCm39) R63G probably damaging Het
Dnaaf11 T G 15: 66,321,401 (GRCm39) I247L probably benign Het
Dnah3 T A 7: 119,550,975 (GRCm39) K136* probably null Het
Exoc7 T C 11: 116,186,142 (GRCm39) D353G possibly damaging Het
Fbxw21 T C 9: 108,972,908 (GRCm39) Y342C probably benign Het
Fitm2 T A 2: 163,311,986 (GRCm39) I76F probably damaging Het
Fryl A T 5: 73,240,727 (GRCm39) I1291N probably benign Het
Fzd2 A T 11: 102,496,314 (GRCm39) I253F possibly damaging Het
Gm5592 A T 7: 40,939,283 (GRCm39) Y855F probably damaging Het
H1f6 A G 13: 23,880,183 (GRCm39) K112R possibly damaging Het
H4c16 G T 6: 136,781,281 (GRCm39) P33T possibly damaging Het
Helz2 T C 2: 180,875,784 (GRCm39) Y1570C probably benign Het
Ints11 A G 4: 155,970,140 (GRCm39) T228A probably benign Het
Ipo13 G T 4: 117,771,494 (GRCm39) N25K probably benign Het
Itga9 T A 9: 118,700,968 (GRCm39) I917N probably damaging Het
Krt39 T C 11: 99,405,437 (GRCm39) probably null Het
Krtap13-1 C T 16: 88,526,061 (GRCm39) T95I possibly damaging Het
Ldlrad4 G T 18: 68,368,863 (GRCm39) E107* probably null Het
Ly6a A T 15: 74,869,416 (GRCm39) I13N probably damaging Het
Mfsd4b4 T C 10: 39,768,407 (GRCm39) T275A probably benign Het
Mgat3 C T 15: 80,095,743 (GRCm39) T190M probably damaging Het
Muc5b G A 7: 141,396,116 (GRCm39) R124H unknown Het
Mucl1 G T 15: 103,783,950 (GRCm39) N85K possibly damaging Het
Nifk G A 1: 118,255,391 (GRCm39) E96K possibly damaging Het
Opn3 C T 1: 175,490,471 (GRCm39) V397M probably damaging Het
Or52ad1 T C 7: 102,995,737 (GRCm39) R133G possibly damaging Het
Or5ae1 T A 7: 84,565,739 (GRCm39) F251I probably damaging Het
Or8c17 T C 9: 38,180,655 (GRCm39) V274A probably damaging Het
Pcdha2 A G 18: 37,074,579 (GRCm39) M737V probably benign Het
Pdk4 T A 6: 5,492,757 (GRCm39) D98V possibly damaging Het
Pkhd1l1 A G 15: 44,404,303 (GRCm39) T2311A probably benign Het
Pla2r1 A T 2: 60,360,802 (GRCm39) C195* probably null Het
Pramel23 C T 4: 143,423,676 (GRCm39) S371N possibly damaging Het
Ptprq T C 10: 107,479,530 (GRCm39) T1166A probably damaging Het
Ran G A 5: 129,099,874 (GRCm39) D215N probably benign Het
Rb1cc1 T C 1: 6,318,309 (GRCm39) F604L possibly damaging Het
Rgl1 T A 1: 152,430,101 (GRCm39) E227D probably benign Het
Sec24b C A 3: 129,777,846 (GRCm39) R1204L possibly damaging Het
Shroom3 T C 5: 93,098,348 (GRCm39) L1276P probably damaging Het
Smarcad1 T A 6: 65,084,814 (GRCm39) M820K probably damaging Het
Sptbn1 A T 11: 30,092,142 (GRCm39) M541K probably damaging Het
Tcp11l2 T C 10: 84,440,847 (GRCm39) V351A possibly damaging Het
Tecpr2 A G 12: 110,899,606 (GRCm39) D658G probably benign Het
Tlr6 T G 5: 65,110,728 (GRCm39) E726D probably damaging Het
Tmem218 T A 9: 37,133,864 (GRCm39) H101Q probably benign Het
Tnfrsf4 C T 4: 156,098,795 (GRCm39) Q82* probably null Het
Trpm7 A G 2: 126,655,158 (GRCm39) V1260A probably benign Het
Trpm8 A T 1: 88,258,563 (GRCm39) E282V probably damaging Het
Tuba8 T C 6: 121,200,348 (GRCm39) V344A probably damaging Het
Tvp23a A G 16: 10,245,245 (GRCm39) probably null Het
Zfp174 G A 16: 3,667,215 (GRCm39) V135M probably damaging Het
Zfp418 G A 7: 7,185,776 (GRCm39) V580I possibly damaging Het
Zfp451 T A 1: 33,844,474 (GRCm39) E44D probably benign Het
Zfp521 T C 18: 13,978,838 (GRCm39) D525G 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
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'- TAAGTTTGCCAGCCGACATG -3'
(R):5'- CTGGCTCCAGTTGTTCTGAC -3'

Sequencing Primer
(F):5'- CGACATGGTCAGAAGGGCATTTTG -3'
(R):5'- CTGACTTGAAATTTGTCTGACACC -3'
Posted On 2019-11-26