Incidental Mutation 'R8082:Polr3b'
ID 629426
Institutional Source Beutler Lab
Gene Symbol Polr3b
Ensembl Gene ENSMUSG00000034453
Gene Name polymerase (RNA) III (DNA directed) polypeptide B
Synonyms 2700078H01Rik, RPC2, A330032P03Rik
MMRRC Submission 067515-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8082 (G1)
Quality Score 225.009
Status Not validated
Chromosome 10
Chromosomal Location 84458156-84563042 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 84491927 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 362 (L362P)
Ref Sequence ENSEMBL: ENSMUSP00000076418 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000077175]
AlphaFold P59470
Predicted Effect probably damaging
Transcript: ENSMUST00000077175
AA Change: L362P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000076418
Gene: ENSMUSG00000034453
AA Change: L362P

DomainStartEndE-ValueType
Pfam:RNA_pol_Rpb2_1 38 413 2e-55 PFAM
Pfam:RNA_pol_Rpb2_2 185 363 8.4e-29 PFAM
Pfam:RNA_pol_Rpb2_3 438 502 2.6e-22 PFAM
Pfam:RNA_pol_Rpb2_4 539 600 1e-29 PFAM
Pfam:RNA_pol_Rpb2_5 621 661 6.5e-14 PFAM
Pfam:RNA_pol_Rpb2_6 668 1041 5.8e-129 PFAM
Pfam:RNA_pol_Rpb2_7 1043 1129 7.6e-36 PFAM
Predicted Effect
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.8%
  • 20x: 94.6%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes the second largest subunit of RNA polymerase III, the polymerase responsible for synthesizing transfer and small ribosomal RNAs in eukaryotes. The largest subunit and the encoded protein form the catalytic center of RNA polymerase III. Mutations in this gene are a cause of hypomyelinating leukodystrophy. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Dec 2011]
Allele List at MGI

All alleles(48) : Targeted, other(2) Gene trapped(46)

Other mutations in this stock
Total: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik T C 12: 71,188,895 (GRCm39) probably null Het
4921524J17Rik G A 8: 86,136,468 (GRCm39) A133V possibly damaging Het
AAdacl4fm3 A C 4: 144,441,897 (GRCm39) F118C probably damaging Het
Amd1 A G 10: 40,166,508 (GRCm39) F123L probably benign Het
Ankrd34c C A 9: 89,610,768 (GRCm39) K524N probably damaging Het
Bicd2 C T 13: 49,532,529 (GRCm39) Q372* probably null Het
Cadps2 T A 6: 23,323,313 (GRCm39) M1002L probably damaging Het
Calcrl T C 2: 84,200,786 (GRCm39) Y86C possibly damaging Het
Ccdc141 T C 2: 76,954,588 (GRCm39) I220V probably damaging Het
Cep152 T C 2: 125,428,313 (GRCm39) T773A probably benign Het
Cgn A G 3: 94,670,368 (GRCm39) F1029L probably benign Het
Cntnap5b T A 1: 100,306,941 (GRCm39) M515K probably benign Het
Col6a6 T A 9: 105,661,129 (GRCm39) K327* probably null Het
Cspg4 A G 9: 56,793,177 (GRCm39) Y304C probably damaging Het
Dsc2 C T 18: 20,165,331 (GRCm39) G881R possibly damaging Het
Dync2i1 T A 12: 116,177,127 (GRCm39) probably null Het
Ecpas G A 4: 58,807,852 (GRCm39) A1672V probably benign Het
Emilin3 A C 2: 160,750,066 (GRCm39) V561G probably damaging Het
Fam3c T A 6: 22,343,303 (GRCm39) D12V unknown Het
Fam83f T C 15: 80,574,119 (GRCm39) V158A probably damaging Het
Fgfbp1 T C 5: 44,136,621 (GRCm39) R224G probably damaging Het
Gid4 A G 11: 60,327,273 (GRCm39) K153E probably damaging Het
H3c13 C A 3: 96,176,309 (GRCm39) Y100* probably null Het
Hic2 A G 16: 17,076,563 (GRCm39) H464R probably damaging Het
Ilvbl C T 10: 78,419,987 (GRCm39) R602C probably damaging Het
Ints15 T C 5: 143,297,607 (GRCm39) R147G probably benign Het
Izumo1r T A 9: 14,805,373 (GRCm39) D171V unknown Het
Kel T A 6: 41,680,424 (GRCm39) E12V possibly damaging Het
Klf15 T C 6: 90,443,466 (GRCm39) S14P possibly damaging Het
Lars1 T A 18: 42,377,975 (GRCm39) S147C probably damaging Het
Lgals1 C T 15: 78,814,301 (GRCm39) A122V probably benign Het
Lgsn C T 1: 31,243,273 (GRCm39) H452Y probably benign Het
Lrrc37a T A 11: 103,348,248 (GRCm39) I2816F unknown Het
Mcoln1 T A 8: 3,557,420 (GRCm39) I142K probably benign Het
Met G A 6: 17,492,312 (GRCm39) R358Q probably damaging Het
Mink1 T A 11: 70,504,103 (GRCm39) C1276S possibly damaging Het
Mrc1 T C 2: 14,253,771 (GRCm39) M264T probably benign Het
Mtfr2 C T 10: 20,229,135 (GRCm39) T81M probably benign Het
Myo5c G A 9: 75,182,793 (GRCm39) A811T possibly damaging Het
Naip6 C A 13: 100,436,909 (GRCm39) S538I probably benign Het
Naip6 T C 13: 100,436,961 (GRCm39) T521A probably benign Het
Ndufs3 T C 2: 90,725,208 (GRCm39) D213G probably damaging Het
Or51k1 T A 7: 103,661,897 (GRCm39) E4V probably benign Het
Or5ac20 T C 16: 59,104,750 (GRCm39) T37A possibly damaging Het
Or5g9 T C 2: 85,551,824 (GRCm39) V25A probably benign Het
Or9g8 T A 2: 85,607,044 (GRCm39) L39I probably benign Het
Otog C T 7: 45,939,143 (GRCm39) R2058C probably damaging Het
Pcdh10 A T 3: 45,336,179 (GRCm39) K831M probably damaging Het
Polr1b A G 2: 128,957,652 (GRCm39) D569G probably benign Het
Rims2 G T 15: 39,339,919 (GRCm39) R871L probably benign Het
Shprh T A 10: 11,027,555 (GRCm39) I54N probably benign Het
Sipa1l2 T C 8: 126,218,548 (GRCm39) D263G possibly damaging Het
Slc43a1 C T 2: 84,687,244 (GRCm39) R382C probably benign Het
Sorbs1 T C 19: 40,353,527 (GRCm39) R193G probably benign Het
Spata31e5 T A 1: 28,816,579 (GRCm39) K484N probably benign Het
Sry T A Y: 2,662,589 (GRCm39) Q357L unknown Het
Taar8b T A 10: 23,967,789 (GRCm39) D135V possibly damaging Het
Tekt3 T G 11: 62,961,056 (GRCm39) V75G probably benign Het
Tm7sf2 A G 19: 6,116,351 (GRCm39) L198P probably damaging Het
Tuba1a C T 15: 98,848,742 (GRCm39) V177I probably benign Het
Other mutations in Polr3b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00787:Polr3b APN 10 84,512,854 (GRCm39) missense probably benign
IGL00848:Polr3b APN 10 84,516,241 (GRCm39) missense probably damaging 1.00
IGL00901:Polr3b APN 10 84,467,660 (GRCm39) missense possibly damaging 0.94
IGL01313:Polr3b APN 10 84,561,607 (GRCm39) missense probably damaging 1.00
IGL01364:Polr3b APN 10 84,531,533 (GRCm39) missense probably benign 0.00
IGL01731:Polr3b APN 10 84,467,704 (GRCm39) nonsense probably null
IGL03326:Polr3b APN 10 84,503,259 (GRCm39) missense probably benign 0.43
IGL03369:Polr3b APN 10 84,512,816 (GRCm39) missense probably damaging 1.00
etruscan UTSW 10 84,468,402 (GRCm39) missense probably benign 0.00
pennyweight UTSW 10 84,549,496 (GRCm39) missense probably damaging 1.00
pinhead UTSW 10 84,491,855 (GRCm39) missense probably damaging 1.00
G5538:Polr3b UTSW 10 84,467,658 (GRCm39) missense probably benign 0.21
PIT4382001:Polr3b UTSW 10 84,520,049 (GRCm39) missense probably damaging 1.00
R0180:Polr3b UTSW 10 84,458,379 (GRCm39) missense probably benign
R0270:Polr3b UTSW 10 84,554,339 (GRCm39) missense probably benign 0.02
R0541:Polr3b UTSW 10 84,473,928 (GRCm39) missense probably damaging 1.00
R0890:Polr3b UTSW 10 84,550,200 (GRCm39) missense probably benign 0.01
R1302:Polr3b UTSW 10 84,468,350 (GRCm39) missense probably damaging 0.97
R1511:Polr3b UTSW 10 84,516,249 (GRCm39) missense probably benign
R1561:Polr3b UTSW 10 84,470,776 (GRCm39) missense probably damaging 1.00
R1607:Polr3b UTSW 10 84,488,647 (GRCm39) missense probably benign 0.00
R1624:Polr3b UTSW 10 84,515,669 (GRCm39) missense probably damaging 0.98
R1809:Polr3b UTSW 10 84,528,865 (GRCm39) missense probably damaging 1.00
R1830:Polr3b UTSW 10 84,528,786 (GRCm39) nonsense probably null
R2973:Polr3b UTSW 10 84,464,144 (GRCm39) missense probably benign 0.00
R3401:Polr3b UTSW 10 84,535,355 (GRCm39) missense probably damaging 0.96
R3876:Polr3b UTSW 10 84,556,382 (GRCm39) critical splice donor site probably null
R3961:Polr3b UTSW 10 84,520,166 (GRCm39) missense possibly damaging 0.89
R4664:Polr3b UTSW 10 84,550,233 (GRCm39) missense probably damaging 1.00
R4721:Polr3b UTSW 10 84,491,867 (GRCm39) missense possibly damaging 0.56
R4972:Polr3b UTSW 10 84,473,988 (GRCm39) missense probably damaging 1.00
R5065:Polr3b UTSW 10 84,468,402 (GRCm39) missense probably benign 0.00
R5264:Polr3b UTSW 10 84,503,280 (GRCm39) missense probably benign 0.02
R5302:Polr3b UTSW 10 84,535,264 (GRCm39) missense possibly damaging 0.59
R5795:Polr3b UTSW 10 84,464,116 (GRCm39) missense probably benign
R5795:Polr3b UTSW 10 84,512,875 (GRCm39) missense probably damaging 0.97
R5838:Polr3b UTSW 10 84,510,454 (GRCm39) missense probably benign 0.09
R6419:Polr3b UTSW 10 84,473,975 (GRCm39) missense possibly damaging 0.78
R6568:Polr3b UTSW 10 84,470,767 (GRCm39) missense probably damaging 1.00
R6787:Polr3b UTSW 10 84,464,489 (GRCm39) critical splice acceptor site probably null
R6913:Polr3b UTSW 10 84,549,496 (GRCm39) missense probably damaging 1.00
R7405:Polr3b UTSW 10 84,520,043 (GRCm39) missense probably benign
R7456:Polr3b UTSW 10 84,458,355 (GRCm39) missense probably benign
R7657:Polr3b UTSW 10 84,491,855 (GRCm39) missense probably damaging 1.00
R8074:Polr3b UTSW 10 84,549,523 (GRCm39) missense probably damaging 1.00
R8127:Polr3b UTSW 10 84,515,653 (GRCm39) missense probably benign
R8676:Polr3b UTSW 10 84,516,251 (GRCm39) missense probably benign 0.00
R8744:Polr3b UTSW 10 84,464,488 (GRCm39) splice site probably benign
R8797:Polr3b UTSW 10 84,532,879 (GRCm39) nonsense probably null
R8866:Polr3b UTSW 10 84,531,555 (GRCm39) missense probably benign 0.14
R9006:Polr3b UTSW 10 84,467,697 (GRCm39) missense probably benign 0.05
R9397:Polr3b UTSW 10 84,467,653 (GRCm39) missense possibly damaging 0.93
R9509:Polr3b UTSW 10 84,467,650 (GRCm39) missense probably damaging 1.00
X0066:Polr3b UTSW 10 84,549,559 (GRCm39) missense probably damaging 0.97
Z1177:Polr3b UTSW 10 84,550,157 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGACTCTTTTCTCGAGGCAC -3'
(R):5'- GGGGTAAACATCTCAACACAAG -3'

Sequencing Primer
(F):5'- CTCGAGGCACTTTAATTTAGGATAC -3'
(R):5'- GATTGGGATGTGGTCATATC -3'
Posted On 2020-06-30