Incidental Mutation 'R7777:Polr1b'
ID 598935
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 045833-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7777 (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: 99.8%
  • 20x: 99.2%
Validation Efficiency 100% (47/47)
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
Adam6b C T 12: 113,453,758 (GRCm39) P192S possibly damaging Het
Arhgef10 A G 8: 14,995,373 (GRCm39) T353A probably damaging Het
Cabyr A G 18: 12,877,828 (GRCm39) D55G probably damaging Het
Dcaf4 T C 12: 83,584,733 (GRCm39) V322A probably damaging Het
Ephb2 T A 4: 136,498,947 (GRCm39) E44V possibly damaging Het
Fam3c T C 6: 22,328,573 (GRCm39) I105V probably benign Het
Fras1 A G 5: 96,900,763 (GRCm39) D2994G probably damaging Het
Fryl C T 5: 73,228,641 (GRCm39) D1697N probably damaging Het
Gapdh A T 6: 125,139,911 (GRCm39) Y164* probably null Het
Gm4353 T G 7: 115,682,998 (GRCm39) Q194H possibly damaging Het
Ilvbl T A 10: 78,413,085 (GRCm39) probably null Het
Ism2 T A 12: 87,333,658 (GRCm39) probably null Het
Jak2 C T 19: 29,254,268 (GRCm39) T196I probably benign Het
Lcor T G 19: 41,547,234 (GRCm39) Y273D probably benign Het
Ldlrad4 G T 18: 68,368,740 (GRCm39) A66S possibly damaging Het
Lysmd4 T A 7: 66,873,446 (GRCm39) M27K possibly damaging Het
Muc17 G A 5: 137,175,564 (GRCm39) silent Het
Or11h4b A T 14: 50,918,261 (GRCm39) Y277N probably damaging Het
Or13a25 T A 7: 140,247,854 (GRCm39) I211N probably benign Het
Or5m10 A G 2: 85,717,951 (GRCm39) E269G possibly damaging Het
Oscp1 T C 4: 125,958,774 (GRCm39) probably null Het
Pira2 A T 7: 3,844,696 (GRCm39) F445Y probably benign Het
Pkd2l2 C A 18: 34,549,913 (GRCm39) P186Q probably damaging Het
Plcb1 G A 2: 135,062,677 (GRCm39) G96R possibly damaging Het
Plcd3 G C 11: 102,965,481 (GRCm39) R535G probably benign Het
Plcg1 A G 2: 160,596,523 (GRCm39) M681V possibly damaging Het
Polrmt A T 10: 79,575,022 (GRCm39) D836E probably benign Het
Pramel12 T C 4: 143,144,331 (GRCm39) Y226H possibly damaging Het
Prkag1 A T 15: 98,712,478 (GRCm39) I149N probably damaging Het
Prkci A T 3: 31,104,362 (GRCm39) Q575L possibly damaging Het
Prss40 C T 1: 34,591,846 (GRCm39) W276* probably null Het
Ptprn T C 1: 75,228,946 (GRCm39) D823G possibly damaging Het
Radil A C 5: 142,529,303 (GRCm39) F131C probably damaging Het
Rif1 A G 2: 52,006,368 (GRCm39) I550V probably benign Het
Rmnd1 T C 10: 4,361,713 (GRCm39) E320G probably damaging Het
Sec31b T A 19: 44,512,212 (GRCm39) K561* probably null Het
Spata31g1 C T 4: 42,970,171 (GRCm39) Q53* probably null Het
Spata31g1 T C 4: 42,971,095 (GRCm39) S143P probably benign Het
Tbx5 A C 5: 120,021,232 (GRCm39) T413P probably benign Het
Tmprss7 A G 16: 45,480,963 (GRCm39) probably null Het
Tnfaip8l2 T C 3: 95,047,307 (GRCm39) *185W probably null Het
Tpst2 A G 5: 112,457,560 (GRCm39) E296G possibly damaging Het
Ubn2 T A 6: 38,467,688 (GRCm39) S801T probably damaging Het
Usp34 A G 11: 23,332,638 (GRCm39) S1141G Het
Uts2r A G 11: 121,052,279 (GRCm39) N381S probably benign Het
Vmn2r44 G T 7: 8,381,314 (GRCm39) T193K possibly damaging Het
Wdr18 T A 10: 79,801,884 (GRCm39) M223K probably benign Het
Wdr64 T C 1: 175,617,564 (GRCm39) C715R possibly damaging Het
Zfp672 A G 11: 58,208,081 (GRCm39) F80S possibly 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
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'- AAGTTTGCCAGCCGACATG -3'
(R):5'- CTGGCTCCAGTTGTTCTGAC -3'

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