Incidental Mutation 'R0056:Polr2b'
ID 18437
Institutional Source Beutler Lab
Gene Symbol Polr2b
Ensembl Gene ENSMUSG00000029250
Gene Name polymerase (RNA) II (DNA directed) polypeptide B
Synonyms RPB2
MMRRC Submission 038350-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.971) question?
Stock # R0056 (G1)
Quality Score
Status Validated
Chromosome 5
Chromosomal Location 77458331-77497175 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 77482382 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 640 (I640T)
Ref Sequence ENSEMBL: ENSMUSP00000031167 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000031167]
AlphaFold Q8CFI7
Predicted Effect possibly damaging
Transcript: ENSMUST00000031167
AA Change: I640T

PolyPhen 2 Score 0.545 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000031167
Gene: ENSMUSG00000029250
AA Change: I640T

DomainStartEndE-ValueType
low complexity region 1 16 N/A INTRINSIC
Pfam:RNA_pol_Rpb2_1 38 442 2.5e-69 PFAM
Pfam:RNA_pol_Rpb2_2 201 394 3.7e-57 PFAM
Pfam:RNA_pol_Rpb2_3 468 532 6.1e-25 PFAM
Pfam:RNA_pol_Rpb2_4 567 629 7.4e-27 PFAM
Pfam:RNA_pol_Rpb2_5 653 700 1.6e-22 PFAM
Pfam:RNA_pol_Rpb2_6 707 1080 4.5e-129 PFAM
Pfam:RNA_pol_Rpb2_7 1082 1174 3.3e-35 PFAM
Meta Mutation Damage Score 0.2202 question?
Coding Region Coverage
  • 1x: 89.2%
  • 3x: 86.3%
  • 10x: 78.7%
  • 20x: 65.9%
Validation Efficiency 89% (66/74)
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 II (Pol II), a DNA-dependent RNA polymerase that catalyzes the transcription of DNA into precursors of mRNA, snRNA and microRNA. This subunit and the largest subunit form opposite sides of the center cleft of Pol II. Deletion of the flap loop region of this subunit results in a decrease in the rate of transcriptional elongation. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2014]
Allele List at MGI
Other mutations in this stock
Total: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adam34l A T 8: 44,078,540 (GRCm39) C561* probably null Het
Ankfn1 A G 11: 89,282,502 (GRCm39) S1061P possibly damaging Het
Atp9b A G 18: 80,809,018 (GRCm39) S634P probably damaging Het
Bche A T 3: 73,608,654 (GRCm39) N257K possibly damaging Het
Bms1 A T 6: 118,382,190 (GRCm39) D449E probably benign Het
C630050I24Rik G T 8: 107,846,026 (GRCm39) V59F unknown Het
Camkk2 C T 5: 122,880,261 (GRCm39) E452K probably damaging Het
Ccdc121rt1 T C 1: 181,338,118 (GRCm39) Y278C probably damaging Het
Chd9 A G 8: 91,660,165 (GRCm39) H375R possibly damaging Het
Entpd7 T A 19: 43,713,733 (GRCm39) V364E probably benign Het
Epb41l3 A T 17: 69,560,392 (GRCm39) D313V probably damaging Het
Etv6 G T 6: 134,225,497 (GRCm39) E154* probably null Het
Fshr T G 17: 89,295,885 (GRCm39) H274P probably damaging Het
G3bp1 A G 11: 55,388,867 (GRCm39) N360D probably benign Het
Gdf11 C T 10: 128,722,294 (GRCm39) R187H probably benign Het
Gpihbp1 T A 15: 75,468,982 (GRCm39) I52N probably damaging Het
H1f8 G T 6: 115,923,934 (GRCm39) probably benign Het
Htt T C 5: 34,983,422 (GRCm39) probably benign Het
Iqcm A G 8: 76,480,014 (GRCm39) Q324R probably benign Het
Kcng3 A G 17: 83,895,185 (GRCm39) L427P probably damaging Het
Klk7 T C 7: 43,461,434 (GRCm39) L17P possibly damaging Het
Klrd1 G A 6: 129,570,738 (GRCm39) V50I probably benign Het
Lama5 A T 2: 179,828,899 (GRCm39) probably benign Het
Lamtor3 T A 3: 137,632,711 (GRCm39) probably benign Het
Lyplal1 G A 1: 185,820,763 (GRCm39) T228I probably benign Het
Mapk6 A G 9: 75,296,098 (GRCm39) Y467H possibly damaging Het
Marchf6 T C 15: 31,467,880 (GRCm39) T776A possibly damaging Het
Mogat1 T G 1: 78,500,407 (GRCm39) M157R probably damaging Het
Morc2b T A 17: 33,357,733 (GRCm39) Q13L possibly damaging Het
Myo1h C T 5: 114,468,273 (GRCm39) T356I probably damaging Het
Ncoa2 C A 1: 117,516,497 (GRCm38) probably null Het
Nobox A G 6: 43,281,853 (GRCm39) C407R probably benign Het
Nup58 A G 14: 60,476,924 (GRCm39) probably null Het
Or56a4 A G 7: 104,806,329 (GRCm39) S187P probably benign Het
Otoa A G 7: 120,730,570 (GRCm39) Y590C probably benign Het
Pelp1 A T 11: 70,284,658 (GRCm39) V1070E unknown Het
Pglyrp3 G T 3: 91,933,111 (GRCm39) probably benign Het
Plpp2 A G 10: 79,363,063 (GRCm39) F189S probably damaging Het
Ryr2 T A 13: 11,683,924 (GRCm39) T3047S probably damaging Het
Snx25 A T 8: 46,491,550 (GRCm39) W847R probably damaging Het
Son T C 16: 91,475,043 (GRCm39) Y454H possibly damaging Het
Sos1 A T 17: 80,721,050 (GRCm39) N923K probably damaging Het
Tex15 A G 8: 34,072,055 (GRCm39) H2534R probably benign Het
Ticam2 G T 18: 46,693,401 (GRCm39) Q229K possibly damaging Het
Tnfaip3 A T 10: 18,881,041 (GRCm39) V342E probably damaging Het
Traf6 A G 2: 101,527,496 (GRCm39) I415M possibly damaging Het
Trpm1 A G 7: 63,893,334 (GRCm39) D1062G probably damaging Het
Wdr59 C T 8: 112,207,239 (GRCm39) probably benign Het
Other mutations in Polr2b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02026:Polr2b APN 5 77,480,099 (GRCm39) missense probably benign
IGL02069:Polr2b APN 5 77,491,044 (GRCm39) missense probably benign 0.01
IGL03218:Polr2b APN 5 77,463,764 (GRCm39) missense probably benign 0.03
R0007:Polr2b UTSW 5 77,488,284 (GRCm39) missense probably benign 0.02
R0076:Polr2b UTSW 5 77,474,408 (GRCm39) missense possibly damaging 0.78
R0099:Polr2b UTSW 5 77,468,797 (GRCm39) splice site probably benign
R0114:Polr2b UTSW 5 77,491,110 (GRCm39) missense probably damaging 1.00
R0193:Polr2b UTSW 5 77,467,923 (GRCm39) missense probably damaging 1.00
R0481:Polr2b UTSW 5 77,479,929 (GRCm39) missense possibly damaging 0.90
R0607:Polr2b UTSW 5 77,461,006 (GRCm39) unclassified probably benign
R1233:Polr2b UTSW 5 77,482,412 (GRCm39) missense probably benign
R1597:Polr2b UTSW 5 77,473,948 (GRCm39) missense probably damaging 1.00
R1674:Polr2b UTSW 5 77,474,470 (GRCm39) missense possibly damaging 0.83
R1696:Polr2b UTSW 5 77,490,495 (GRCm39) missense probably benign 0.12
R1704:Polr2b UTSW 5 77,490,407 (GRCm39) missense possibly damaging 0.95
R1871:Polr2b UTSW 5 77,474,374 (GRCm39) splice site probably benign
R2114:Polr2b UTSW 5 77,468,817 (GRCm39) missense probably damaging 1.00
R2137:Polr2b UTSW 5 77,468,193 (GRCm39) missense probably benign 0.18
R2305:Polr2b UTSW 5 77,468,284 (GRCm39) splice site probably benign
R3921:Polr2b UTSW 5 77,474,500 (GRCm39) missense probably damaging 1.00
R4027:Polr2b UTSW 5 77,496,252 (GRCm39) missense possibly damaging 0.88
R4031:Polr2b UTSW 5 77,496,252 (GRCm39) missense possibly damaging 0.88
R4526:Polr2b UTSW 5 77,474,561 (GRCm39) missense probably damaging 1.00
R4750:Polr2b UTSW 5 77,479,886 (GRCm39) missense possibly damaging 0.92
R4827:Polr2b UTSW 5 77,490,398 (GRCm39) missense probably benign
R5244:Polr2b UTSW 5 77,490,847 (GRCm39) intron probably benign
R5360:Polr2b UTSW 5 77,496,993 (GRCm39) missense possibly damaging 0.90
R5628:Polr2b UTSW 5 77,461,063 (GRCm39) missense probably damaging 0.98
R5928:Polr2b UTSW 5 77,493,189 (GRCm39) missense probably damaging 1.00
R6009:Polr2b UTSW 5 77,468,099 (GRCm39) missense probably benign
R6179:Polr2b UTSW 5 77,468,824 (GRCm39) missense probably damaging 1.00
R6251:Polr2b UTSW 5 77,496,141 (GRCm39) missense probably benign 0.00
R7209:Polr2b UTSW 5 77,491,026 (GRCm39) missense probably damaging 1.00
R7303:Polr2b UTSW 5 77,468,868 (GRCm39) missense probably benign 0.04
R7328:Polr2b UTSW 5 77,463,846 (GRCm39) missense probably damaging 1.00
R7345:Polr2b UTSW 5 77,496,966 (GRCm39) missense possibly damaging 0.55
R7471:Polr2b UTSW 5 77,468,913 (GRCm39) nonsense probably null
R7581:Polr2b UTSW 5 77,474,551 (GRCm39) missense probably damaging 1.00
R7697:Polr2b UTSW 5 77,468,059 (GRCm39) missense probably damaging 1.00
R7699:Polr2b UTSW 5 77,488,268 (GRCm39) missense probably benign 0.00
R7700:Polr2b UTSW 5 77,488,268 (GRCm39) missense probably benign 0.00
R7956:Polr2b UTSW 5 77,468,092 (GRCm39) missense probably benign 0.35
R7995:Polr2b UTSW 5 77,473,614 (GRCm39) missense possibly damaging 0.96
R8015:Polr2b UTSW 5 77,484,353 (GRCm39) missense probably damaging 1.00
R8247:Polr2b UTSW 5 77,468,062 (GRCm39) missense possibly damaging 0.94
R8318:Polr2b UTSW 5 77,483,576 (GRCm39) missense probably benign 0.00
R8686:Polr2b UTSW 5 77,483,510 (GRCm39) missense probably damaging 1.00
R8850:Polr2b UTSW 5 77,463,761 (GRCm39) missense probably benign 0.00
R9253:Polr2b UTSW 5 77,493,224 (GRCm39) missense probably benign 0.16
R9275:Polr2b UTSW 5 77,471,485 (GRCm39) missense probably damaging 1.00
R9278:Polr2b UTSW 5 77,471,485 (GRCm39) missense probably damaging 1.00
X0054:Polr2b UTSW 5 77,496,152 (GRCm39) missense probably damaging 0.97
Z1088:Polr2b UTSW 5 77,493,248 (GRCm39) missense probably damaging 1.00
Z1088:Polr2b UTSW 5 77,490,569 (GRCm39) missense possibly damaging 0.95
Z1176:Polr2b UTSW 5 77,479,818 (GRCm39) missense probably damaging 1.00
Posted On 2013-03-25