Incidental Mutation 'R8251:Polr1b'
ID 640226
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 067677-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8251 (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 128965086 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Glutamine at position 724 (P724Q)
Ref Sequence ENSEMBL: ENSMUSP00000099494 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028874] [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 damaging
Transcript: ENSMUST00000103205
AA Change: P724Q

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: P724Q

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 100% (50/50)
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acad11 A T 9: 103,968,906 (GRCm39) D463V possibly damaging Het
Adamtsl4 C T 3: 95,591,884 (GRCm39) R68Q probably damaging Het
Ankrd12 A T 17: 66,291,554 (GRCm39) M1293K possibly damaging Het
Arhgap21 T C 2: 20,854,221 (GRCm39) T1724A probably benign Het
C1qtnf12 T C 4: 156,050,916 (GRCm39) I295T probably damaging Het
Cacna1s G T 1: 136,014,461 (GRCm39) G623W probably damaging Het
Cemip2 T C 19: 21,784,765 (GRCm39) V416A possibly damaging Het
Cenpe T A 3: 134,957,445 (GRCm39) probably null Het
Cep85l A T 10: 53,157,450 (GRCm39) I751N probably damaging Het
Corin T A 5: 72,514,269 (GRCm39) D468V probably damaging Het
Ctsr A G 13: 61,310,592 (GRCm39) V51A probably damaging Het
Dnah14 A C 1: 181,492,430 (GRCm39) E1630A probably damaging Het
Dsg4 C A 18: 20,604,221 (GRCm39) A896E probably damaging Het
Ear2 T C 14: 44,340,477 (GRCm39) L45P probably benign Het
Fshr T G 17: 89,507,913 (GRCm39) D43A probably benign Het
Gata6 G A 18: 11,054,670 (GRCm39) G200S probably benign Het
Gnaq T A 19: 16,312,419 (GRCm39) M227K probably damaging Het
Ifit1bl1 T C 19: 34,572,232 (GRCm39) Q75R possibly damaging Het
Impg2 A G 16: 56,079,960 (GRCm39) E479G possibly damaging Het
Ints7 C T 1: 191,353,545 (GRCm39) P957L unknown Het
Jmjd1c T C 10: 67,075,068 (GRCm39) V73A noncoding transcript Het
Kansl1 A G 11: 104,315,186 (GRCm39) I284T probably benign Het
Kcnj9 A G 1: 172,154,089 (GRCm39) S12P probably benign Het
Krt16 A G 11: 100,139,196 (GRCm39) probably null Het
Lrguk A T 6: 34,093,374 (GRCm39) T632S probably benign Het
Man2b1 G A 8: 85,821,758 (GRCm39) V687M probably damaging Het
Mroh5 T C 15: 73,655,002 (GRCm39) E653G probably benign Het
Nabp1 A T 1: 51,516,737 (GRCm39) S44T probably benign Het
Nt5dc3 C A 10: 86,656,091 (GRCm39) H256Q probably damaging Het
Or1j15 A C 2: 36,459,467 (GRCm39) N286H probably damaging Het
Or4a81 A T 2: 89,619,567 (GRCm39) I43N probably damaging Het
Or5p50 A G 7: 107,421,776 (GRCm39) I300T probably damaging Het
Pkd2 T C 5: 104,646,353 (GRCm39) V720A probably benign Het
Pnpla6 T A 8: 3,582,399 (GRCm39) N706K probably benign Het
Rbpjl A G 2: 164,255,854 (GRCm39) E366G probably damaging Het
Runx1t1 A G 4: 13,846,947 (GRCm39) T244A possibly damaging Het
Slitrk3 C T 3: 72,956,729 (GRCm39) R681H possibly damaging Het
Slu7 A G 11: 43,330,128 (GRCm39) Y185C probably damaging Het
Snupn T A 9: 56,888,137 (GRCm39) F231L probably damaging Het
Srpk2 G A 5: 23,729,266 (GRCm39) P458S probably benign Het
St3gal5 T A 6: 72,126,144 (GRCm39) F330I probably benign Het
Taf3 T C 2: 9,922,962 (GRCm39) D878G possibly damaging Het
Tex44 A G 1: 86,354,936 (GRCm39) N282D probably benign Het
Tmem126a T C 7: 90,100,094 (GRCm39) I150V probably benign Het
Trbv21 A G 6: 41,179,540 (GRCm39) probably benign Het
Vmn2r70 A T 7: 85,215,186 (GRCm39) L116* probably null Het
Vps36 A G 8: 22,682,932 (GRCm39) T16A probably benign Het
Wdr17 C A 8: 55,110,267 (GRCm39) G837W probably damaging Het
Zfp397 T C 18: 24,093,361 (GRCm39) V282A 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
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'- TGCAGTTTTAGGAAGCACATTGAG -3'
(R):5'- AACAAATGTATTACGGCCGTG -3'

Sequencing Primer
(F):5'- TTTAGGAAGCACATTGAGAATTGAG -3'
(R):5'- GTGAGGACACACAAACATTCCTTCAG -3'
Posted On 2020-07-28