Incidental Mutation 'R4972:Polr3b'
ID 384539
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 042567-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4972 (G1)
Quality Score 225
Status Validated
Chromosome 10
Chromosomal Location 84458156-84563042 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 84473988 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Asparagine at position 189 (I189N)
Ref Sequence ENSEMBL: ENSMUSP00000076418 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000077175]
AlphaFold P59470
Predicted Effect probably damaging
Transcript: ENSMUST00000077175
AA Change: I189N

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000076418
Gene: ENSMUSG00000034453
AA Change: I189N

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 noncoding transcript
Transcript: ENSMUST00000213263
Predicted Effect noncoding transcript
Transcript: ENSMUST00000213543
Predicted Effect probably benign
Transcript: ENSMUST00000215853
Meta Mutation Damage Score 0.8672 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 91.2%
Validation Efficiency 93% (82/88)
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: 72 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
3425401B19Rik A T 14: 32,383,361 (GRCm39) I868N possibly damaging Het
A730013G03Rik C G 1: 192,516,081 (GRCm39) noncoding transcript Het
Actl11 A G 9: 107,807,155 (GRCm39) T493A probably benign Het
Actn1 T C 12: 80,219,813 (GRCm39) D686G probably benign Het
Adamts1 G A 16: 85,592,833 (GRCm39) T525I probably damaging Het
Adcy10 T A 1: 165,384,431 (GRCm39) L1064H probably damaging Het
AI661453 A T 17: 47,777,324 (GRCm39) probably benign Het
Apba1 T A 19: 23,889,900 (GRCm39) S433T probably benign Het
Arid4b T A 13: 14,334,857 (GRCm39) N355K probably benign Het
Bsn A T 9: 107,992,377 (GRCm39) M1125K probably damaging Het
C2cd5 A T 6: 142,958,950 (GRCm39) M1003K probably damaging Het
Ccdc18 A G 5: 108,339,869 (GRCm39) M805V probably benign Het
Cep89 T G 7: 35,131,977 (GRCm39) L637R probably damaging Het
Col24a1 A T 3: 145,215,439 (GRCm39) I1444F probably benign Het
Commd4 A T 9: 57,062,732 (GRCm39) S175T probably benign Het
Coq7 A G 7: 118,109,340 (GRCm39) V236A unknown Het
Dctn2 C T 10: 127,112,572 (GRCm39) R176C probably damaging Het
Ddx31 T C 2: 28,750,782 (GRCm39) F389L probably damaging Het
Dgkz C T 2: 91,776,047 (GRCm39) R72H probably benign Het
Dpysl4 A G 7: 138,670,206 (GRCm39) D24G probably damaging Het
Dydc1 A G 14: 40,804,295 (GRCm39) T106A probably benign Het
F13b A G 1: 139,438,661 (GRCm39) Y355C probably damaging Het
Fcrl5 A G 3: 87,361,957 (GRCm39) M407V probably benign Het
Fzd5 C A 1: 64,775,171 (GRCm39) V197L probably benign Het
Galnt16 G T 12: 80,619,103 (GRCm39) E70* probably null Het
Gpr171 A T 3: 59,005,386 (GRCm39) F130I probably damaging Het
Grin3a T C 4: 49,770,484 (GRCm39) N763D probably damaging Het
Gsta2 A T 9: 78,244,961 (GRCm39) M51K probably damaging Het
Gvin-ps3 T C 7: 105,682,521 (GRCm39) noncoding transcript Het
Hacd3 A T 9: 64,897,718 (GRCm39) I298N probably damaging Het
Il18r1 C T 1: 40,530,224 (GRCm39) P317L probably benign Het
Iscu T A 5: 113,915,037 (GRCm39) probably benign Het
Kif6 A G 17: 50,014,647 (GRCm39) D250G probably damaging Het
Klk14 G A 7: 43,341,501 (GRCm39) C51Y probably damaging Het
Lcn6 T A 2: 25,570,079 (GRCm39) C82S probably damaging Het
Mob4 C G 1: 55,190,161 (GRCm39) L135V possibly damaging Het
Mpzl3 T A 9: 44,973,554 (GRCm39) probably benign Het
Mvp T C 7: 126,588,970 (GRCm39) D599G probably damaging Het
Myo1a T C 10: 127,552,178 (GRCm39) Y766H probably benign Het
Myo5b A G 18: 74,760,264 (GRCm39) H260R probably damaging Het
Nbea C T 3: 55,992,667 (GRCm39) R313H probably damaging Het
Necab1 T A 4: 14,978,216 (GRCm39) D211V probably damaging Het
Nefl G T 14: 68,324,212 (GRCm39) probably benign Het
Nfx1 T A 4: 40,976,375 (GRCm39) D16E probably benign Het
Nlrp9a G T 7: 26,269,964 (GRCm39) C797F probably damaging Het
Or4k36 T A 2: 111,146,163 (GRCm39) V113E probably damaging Het
Or5p5 A G 7: 107,413,953 (GRCm39) Q56R probably benign Het
Pde6b A G 5: 108,573,130 (GRCm39) D500G probably benign Het
Pgs1 T C 11: 117,896,719 (GRCm39) probably null Het
Ppwd1 A T 13: 104,356,616 (GRCm39) S300T probably benign Het
Prl2c2 A C 13: 13,176,755 (GRCm39) N55K possibly damaging Het
Prpf19 C T 19: 10,876,709 (GRCm39) probably benign Het
Prph2 G T 17: 47,221,733 (GRCm39) L37F possibly damaging Het
Ptprg G T 14: 12,226,427 (GRCm38) R565L possibly damaging Het
Rab8a C T 8: 72,925,119 (GRCm39) T74M probably damaging Het
Rexo1 A T 10: 80,385,527 (GRCm39) F510L probably damaging Het
Rexo2 G T 9: 48,390,689 (GRCm39) T51K probably damaging Het
Sh3d21 T C 4: 126,046,209 (GRCm39) K147R possibly damaging Het
Skint6 A G 4: 112,692,265 (GRCm39) I1062T probably benign Het
Spag16 C T 1: 70,764,087 (GRCm39) R636W probably damaging Het
Spata16 T C 3: 26,894,872 (GRCm39) I307T possibly damaging Het
Speer4f2 T G 5: 17,579,423 (GRCm39) I74S probably benign Het
Svep1 T A 4: 58,087,778 (GRCm39) Y1767F possibly damaging Het
Swt1 T C 1: 151,299,293 (GRCm39) S7G probably benign Het
Tex9 A G 9: 72,385,620 (GRCm39) probably null Het
Thsd7b C A 1: 130,116,309 (GRCm39) P1354H probably damaging Het
Ticrr A G 7: 79,319,416 (GRCm39) D467G probably damaging Het
Tmco5b A C 2: 113,127,338 (GRCm39) D303A probably damaging Het
Trpm7 A G 2: 126,665,978 (GRCm39) V876A probably damaging Het
Ttc21a G A 9: 119,774,027 (GRCm39) E245K probably benign Het
Vezt C T 10: 93,836,212 (GRCm39) probably null Het
Zscan20 G A 4: 128,486,152 (GRCm39) P183S 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
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
R8082:Polr3b UTSW 10 84,491,927 (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'- CCAATCTGTACTGGTACTCTGGC -3'
(R):5'- AAACGCTGTTGCACATTTCCC -3'

Sequencing Primer
(F):5'- GTACTGGTACTCTGGCCCTCAG -3'
(R):5'- ACTGTGTTTATAGACGCATCCAC -3'
Posted On 2016-04-27