Incidental Mutation 'R8696:Polr1b'
ID 668675
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 068550-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8696 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 128967571 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 988 (L988Q)
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: L988Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: L988Q

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: 99.3%
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: 80 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy8 T C 15: 64,687,235 (GRCm39) N423S probably benign Het
Adgrl4 T C 3: 151,248,344 (GRCm39) L672P probably damaging Het
Akr1b10 C T 6: 34,369,067 (GRCm39) T182I possibly damaging Het
Ankrd33 A G 15: 101,014,864 (GRCm39) I84V probably benign Het
Arhgap32 A G 9: 32,159,799 (GRCm39) Y272C possibly damaging Het
Arid4a T C 12: 71,110,090 (GRCm39) S144P probably damaging Het
Bicd1 A G 6: 149,415,285 (GRCm39) D666G probably damaging Het
Blk A T 14: 63,618,149 (GRCm39) probably benign Het
Btbd2 C T 10: 80,480,515 (GRCm39) R366Q possibly damaging Het
Cacna1i T C 15: 80,266,175 (GRCm39) V1554A probably damaging Het
Camsap3 T C 8: 3,653,614 (GRCm39) L428P probably damaging Het
Ccdc30 T G 4: 119,234,505 (GRCm39) Y69S possibly damaging Het
Ccdc7a T A 8: 129,715,244 (GRCm39) E280V probably damaging Het
Cdk11b T C 4: 155,732,779 (GRCm39) V539A unknown Het
Ceacam3 A T 7: 16,893,937 (GRCm39) N483Y Het
Cenpf C T 1: 189,390,194 (GRCm39) A1213T probably benign Het
Chrna6 G T 8: 27,897,195 (GRCm39) Y227* probably null Het
Cntnap5c A T 17: 58,601,294 (GRCm39) D814V probably damaging Het
Csl A T 10: 99,594,826 (GRCm39) Y80N probably damaging Het
Ctsm A G 13: 61,685,521 (GRCm39) L297P probably damaging Het
Cyp4a31 G A 4: 115,422,225 (GRCm39) E70K probably benign Het
Dhx8 T C 11: 101,623,958 (GRCm39) V31A unknown Het
Dis3l2 G T 1: 86,719,162 (GRCm39) G131* probably null Het
Dkk1 G A 19: 30,526,688 (GRCm39) A31V probably damaging Het
Dlx3 C T 11: 95,012,596 (GRCm39) R130* probably null Het
Dnajc24 T C 2: 105,832,315 (GRCm39) M23V probably benign Het
Dnmbp T A 19: 43,862,662 (GRCm39) N76I probably damaging Het
Ezh1 T C 11: 101,100,305 (GRCm39) N226S probably benign Het
Fabp9 C T 3: 10,259,047 (GRCm39) V120M possibly damaging Het
Fcrlb A G 1: 170,739,648 (GRCm39) C85R probably damaging Het
Gnai2 A C 9: 107,496,968 (GRCm39) L131R Het
Gprin1 A G 13: 54,885,764 (GRCm39) W837R probably damaging Het
Grm3 C T 5: 9,562,311 (GRCm39) C513Y probably damaging Het
H60c T A 10: 3,210,265 (GRCm39) I95F possibly damaging Het
Hecw1 A G 13: 14,531,743 (GRCm39) V177A possibly damaging Het
Herc6 T A 6: 57,624,134 (GRCm39) C635S probably benign Het
Itga4 A T 2: 79,112,125 (GRCm39) M347L probably benign Het
Kif20b A G 19: 34,914,752 (GRCm39) H436R probably benign Het
Klrg2 G T 6: 38,613,430 (GRCm39) P191Q possibly damaging Het
Krt5 A G 15: 101,618,742 (GRCm39) Y340H probably damaging Het
Map9 T A 3: 82,270,668 (GRCm39) H77Q possibly damaging Het
Mfsd13a A G 19: 46,356,557 (GRCm39) T221A probably benign Het
Myo10 C G 15: 25,799,572 (GRCm39) H1378Q probably damaging Het
Nkx6-1 T C 5: 101,807,513 (GRCm39) T290A possibly damaging Het
Nlgn3 T C X: 100,352,390 (GRCm39) V179A probably damaging Het
Notch1 T A 2: 26,368,004 (GRCm39) probably benign Het
Nr1d2 A T 14: 18,216,661 (GRCm38) M169K probably damaging Het
Or10ak8 C T 4: 118,774,635 (GRCm39) V10I probably benign Het
Or11g1 A G 14: 50,651,420 (GRCm39) M140V possibly damaging Het
Or13c7c A G 4: 43,836,193 (GRCm39) V99A probably benign Het
Or6c69b A T 10: 129,626,562 (GRCm39) F299I possibly damaging Het
Or8b41 A G 9: 38,054,433 (GRCm39) M1V probably null Het
Pdia6 T A 12: 17,329,662 (GRCm39) I266K probably damaging Het
Phactr4 T C 4: 132,091,105 (GRCm39) probably null Het
Por A T 5: 135,763,112 (GRCm39) M541L probably benign Het
Ppid T C 3: 79,498,689 (GRCm39) probably benign Het
Prp2 A T 6: 132,577,322 (GRCm39) Q203L unknown Het
Psme4 T G 11: 30,759,896 (GRCm39) F340V probably damaging Het
Ptges2 T C 2: 32,290,077 (GRCm39) S164P probably damaging Het
Rab18 G A 18: 6,788,635 (GRCm39) G201S probably damaging Het
Rbm19 A G 5: 120,265,132 (GRCm39) E391G probably damaging Het
Rcbtb2 T G 14: 73,404,305 (GRCm39) V259G probably damaging Het
Rpn1 C A 6: 88,080,359 (GRCm39) Q553K possibly damaging Het
Sash1 A G 10: 8,609,459 (GRCm39) S697P probably damaging Het
Sdad1 T G 5: 92,437,645 (GRCm39) H603P probably damaging Het
Serpini1 T C 3: 75,520,544 (GRCm39) L47P probably damaging Het
Sorbs2 T A 8: 46,248,686 (GRCm39) S646T possibly damaging Het
Spdye4a T A 5: 143,210,754 (GRCm39) E105D probably benign Het
Srsf12 G A 4: 33,231,181 (GRCm39) C230Y possibly damaging Het
Stard9 A T 2: 120,531,595 (GRCm39) R2617S probably benign Het
Tas2r118 G T 6: 23,969,344 (GRCm39) T239K probably damaging Het
Tlr1 A G 5: 65,084,094 (GRCm39) L161P probably benign Het
Ttc21a T G 9: 119,772,977 (GRCm39) V218G possibly damaging Het
Ttc6 T C 12: 57,784,492 (GRCm39) S1854P probably benign Het
Unc93a A G 17: 13,341,852 (GRCm39) L93P probably damaging Het
Vcan A T 13: 89,839,217 (GRCm39) I2109N probably benign Het
Vmn1r225 A T 17: 20,723,419 (GRCm39) S287C probably damaging Het
Vmn1r43 A G 6: 89,847,321 (GRCm39) F55S probably damaging Het
Zfp772 T C 7: 7,208,518 (GRCm39) T109A possibly damaging Het
Zfp87 A G 13: 74,520,599 (GRCm39) Y160H 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
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
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'- TTAATCGAGAGCATGGCTGGG -3'
(R):5'- AGCAGTTGAAAAGCCGGTCATG -3'

Sequencing Primer
(F):5'- GAAGTCTGCAGCTTTGCAC -3'
(R):5'- AAAGACGTACCGTGTGCC -3'
Posted On 2021-04-30