Incidental Mutation 'R0989:Polr1b'
ID 97459
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 039109-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0989 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 128967997 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glycine at position 1130 (V1130G)
Ref Sequence ENSEMBL: ENSMUSP00000099494 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000035481] [ENSMUST00000103205]
AlphaFold P70700
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: V1130G

PolyPhen 2 Score 0.968 (Sensitivity: 0.77; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: V1130G

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
Predicted Effect noncoding transcript
Transcript: ENSMUST00000137881
Predicted Effect noncoding transcript
Transcript: ENSMUST00000144004
Predicted Effect noncoding transcript
Transcript: ENSMUST00000147727
Predicted Effect noncoding transcript
Transcript: ENSMUST00000149118
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.2%
  • 10x: 96.0%
  • 20x: 92.0%
Validation Efficiency
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: 36 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acadsb A G 7: 131,030,273 (GRCm39) D140G probably damaging Het
Atp7b A G 8: 22,518,710 (GRCm39) S43P possibly damaging Het
C4bp G A 1: 130,570,790 (GRCm39) T262I probably benign Het
Cdh23 A G 10: 60,370,289 (GRCm39) Y169H probably damaging Het
Celsr1 T C 15: 85,915,480 (GRCm39) E831G probably benign Het
Celsr2 A C 3: 108,310,588 (GRCm39) M1498R probably benign Het
Crim1 T C 17: 78,508,373 (GRCm39) V59A probably benign Het
Dnah10 A G 5: 124,875,002 (GRCm39) I2560V probably benign Het
Enpp2 A T 15: 54,739,155 (GRCm39) M376K possibly damaging Het
Extl1 TGCGTTGCACCGATACCGGG TG 4: 134,084,988 (GRCm39) probably benign Het
Fam120a G T 13: 49,039,219 (GRCm39) A979E possibly damaging Het
Fbxw11 T C 11: 32,685,149 (GRCm39) V328A probably benign Het
Gm4846 G A 1: 166,314,689 (GRCm39) S318L possibly damaging Het
Golm1 A T 13: 59,787,997 (GRCm39) Y301N probably benign Het
Ipo8 T C 6: 148,698,180 (GRCm39) T614A probably benign Het
Klhl33 T A 14: 51,129,279 (GRCm39) Y390F probably damaging Het
Minar1 T A 9: 89,484,088 (GRCm39) K436N probably damaging Het
Mlh3 A G 12: 85,316,169 (GRCm39) S6P probably benign Het
Neurod2 A G 11: 98,218,805 (GRCm39) S120P probably damaging Het
Nfkb1 A G 3: 135,295,157 (GRCm39) S896P probably benign Het
Nr3c2 T C 8: 77,914,193 (GRCm39) Y687H probably damaging Het
Or13a24 A C 7: 140,154,200 (GRCm39) I45L probably damaging Het
Or52k2 G A 7: 102,253,690 (GRCm39) G43D probably damaging Het
Parp3 C T 9: 106,350,281 (GRCm39) probably null Het
Pcolce2 T A 9: 95,520,776 (GRCm39) M51K probably benign Het
Pnoc T C 14: 65,642,317 (GRCm39) K149E probably damaging Het
Prcp A T 7: 92,559,424 (GRCm39) I163F probably benign Het
Sez6l2 A G 7: 126,559,016 (GRCm39) D361G probably damaging Het
Slc4a9 T A 18: 36,669,920 (GRCm39) L785* probably null Het
Ssna1 T C 2: 25,161,575 (GRCm39) T91A probably benign Het
St18 A G 1: 6,898,105 (GRCm39) T636A probably benign Het
Tln2 C T 9: 67,136,736 (GRCm39) A1250T probably damaging Het
Tnk2 A G 16: 32,499,176 (GRCm39) M815V probably damaging Het
Tspan31 T A 10: 126,904,196 (GRCm39) H167L probably damaging Het
Tspoap1 T A 11: 87,656,649 (GRCm39) C287S probably damaging Het
Unc80 T C 1: 66,685,599 (GRCm39) F2241S 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
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
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'- TGTTGGCACACGGTACGTCTTTC -3'
(R):5'- TGGCCTGCTCTGGATAACAGACAC -3'

Sequencing Primer
(F):5'- ATGACCGGCTTTTCAACTGC -3'
(R):5'- tcaggaggcagaggcag -3'
Posted On 2014-01-05