Incidental Mutation 'R4773:Polr1b'
ID 367653
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 042411-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4773 (G1)
Quality Score 225
Status Validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 128947248 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 191 (I191T)
Ref Sequence ENSEMBL: ENSMUSP00000028874 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028874] [ENSMUST00000103205]
AlphaFold P70700
Predicted Effect probably benign
Transcript: ENSMUST00000028874
AA Change: I191T

PolyPhen 2 Score 0.293 (Sensitivity: 0.91; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000028874
Gene: ENSMUSG00000027395
AA Change: I191T

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: ENSMUST00000103205
AA Change: I191T

PolyPhen 2 Score 0.030 (Sensitivity: 0.95; Specificity: 0.82)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: I191T

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 0.1193 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 94.2%
Validation Efficiency 100% (89/89)
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: 82 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9230009I02Rik A G 11: 50,982,089 (GRCm39) noncoding transcript Het
Actl7b T C 4: 56,740,972 (GRCm39) I129V probably benign Het
Adipor2 A G 6: 119,336,047 (GRCm39) L225P probably benign Het
Arhgap25 A G 6: 87,473,053 (GRCm39) F35L probably benign Het
Asah2 A T 19: 32,030,258 (GRCm39) M138K probably damaging Het
Asxl1 T A 2: 153,243,905 (GRCm39) M1486K probably damaging Het
B4galt4 T A 16: 38,572,658 (GRCm39) S114R probably benign Het
Brpf3 T G 17: 29,040,233 (GRCm39) S885A probably benign Het
Cacna1g G T 11: 94,302,298 (GRCm39) H1944N possibly damaging Het
Cby2 T A 14: 75,820,546 (GRCm39) Y393F probably damaging Het
Ccdc110 G A 8: 46,396,245 (GRCm39) C712Y probably damaging Het
Ccdc175 A T 12: 72,182,822 (GRCm39) I399N probably damaging Het
Cct8l1 A T 5: 25,722,754 (GRCm39) T490S probably benign Het
Cd109 CATTTATTTATTTATTTATTTATTTATTTATTTAT CATTTATTTATTTATTTATTTATTTATTTATTTATTTAT 9: 78,619,782 (GRCm39) probably benign Het
Copa A G 1: 171,932,787 (GRCm39) N371D probably damaging Het
Cpeb1 A T 7: 81,005,695 (GRCm39) H381Q probably benign Het
Cyp2d40 T A 15: 82,645,763 (GRCm39) I81F possibly damaging Het
Dscc1 A T 15: 54,943,654 (GRCm39) D405E probably benign Het
Ece1 A G 4: 137,672,464 (GRCm39) D369G probably benign Het
Exd2 T C 12: 80,522,592 (GRCm39) V17A possibly damaging Het
Fam111a A T 19: 12,565,772 (GRCm39) N507I possibly damaging Het
Flnc T C 6: 29,445,038 (GRCm39) V719A possibly damaging Het
Fscb C T 12: 64,520,464 (GRCm39) G334D probably damaging Het
Glud1 T C 14: 34,043,782 (GRCm39) probably null Het
Gm8126 T A 14: 43,119,072 (GRCm39) Y180* probably null Het
Grip2 G A 6: 91,759,413 (GRCm39) P347L possibly damaging Het
H1f3 T C 13: 23,739,576 (GRCm39) S105P probably damaging Het
H60b C T 10: 22,164,644 (GRCm39) probably benign Het
Iqca1l A G 5: 24,755,596 (GRCm39) probably null Het
Itga6 T C 2: 71,652,788 (GRCm39) V217A probably benign Het
Kndc1 G A 7: 139,503,946 (GRCm39) W1083* probably null Het
Limch1 A T 5: 67,184,850 (GRCm39) D613V probably damaging Het
Lpl T A 8: 69,349,403 (GRCm39) C310S probably damaging Het
Marchf1 T A 8: 66,839,876 (GRCm39) C220S probably benign Het
Mbd5 A C 2: 49,164,623 (GRCm39) H308P probably damaging Het
Med13 T C 11: 86,167,746 (GRCm39) D2003G probably damaging Het
Mettl16 T A 11: 74,708,127 (GRCm39) V442D possibly damaging Het
Mstn A T 1: 53,101,267 (GRCm39) T115S probably benign Het
Mtcl2 G T 2: 156,872,489 (GRCm39) Q953K probably benign Het
Nfil3 A G 13: 53,122,050 (GRCm39) S285P probably damaging Het
Odad4 C A 11: 100,440,742 (GRCm39) N74K probably benign Het
Or10j3 A C 1: 173,031,796 (GRCm39) Y291S probably damaging Het
Or51a24 A G 7: 103,733,502 (GRCm39) S262P probably damaging Het
Otof A G 5: 30,552,026 (GRCm39) V321A probably benign Het
Pcdha8 G T 18: 37,127,626 (GRCm39) A703S probably damaging Het
Pcdhb18 A G 18: 37,623,507 (GRCm39) Y279C probably damaging Het
Pdgfa T C 5: 138,979,051 (GRCm39) D51G probably benign Het
Pdzd8 A G 19: 59,289,292 (GRCm39) Y703H probably damaging Het
Pecr G T 1: 72,306,594 (GRCm39) P229Q probably damaging Het
Phkg1 G T 5: 129,902,114 (GRCm39) probably null Het
Plxnb2 A T 15: 89,051,150 (GRCm39) H356Q probably benign Het
Ppp4r3a A G 12: 101,049,026 (GRCm39) L35P possibly damaging Het
Rasa2 C T 9: 96,426,470 (GRCm39) G792D probably benign Het
Rps11-ps4 T C 12: 51,344,406 (GRCm39) noncoding transcript Het
Sema3g A G 14: 30,942,666 (GRCm39) D89G probably benign Het
Shroom3 G T 5: 93,090,945 (GRCm39) V1151F probably damaging Het
Slfn8 A G 11: 82,908,219 (GRCm39) V108A probably damaging Het
Smg9 T A 7: 24,107,019 (GRCm39) M221K possibly damaging Het
Sos1 A G 17: 80,705,660 (GRCm39) S1304P probably damaging Het
Sqle C A 15: 59,189,688 (GRCm39) A110E possibly damaging Het
Stab2 G A 10: 86,743,235 (GRCm39) Q1154* probably null Het
Taf4b A G 18: 14,937,577 (GRCm39) T217A probably benign Het
Tex15 T C 8: 34,072,760 (GRCm39) V2769A probably benign Het
Tmem156 A T 5: 65,237,502 (GRCm39) C53S probably damaging Het
Tmtc3 T A 10: 100,293,001 (GRCm39) K452N possibly damaging Het
Tns2 C T 15: 102,017,369 (GRCm39) R281C probably damaging Het
Tph1 T C 7: 46,306,376 (GRCm39) E195G probably damaging Het
Trpc6 T A 9: 8,609,852 (GRCm39) Y107N possibly damaging Het
Tsga10 G A 1: 37,874,606 (GRCm39) T93I probably damaging Het
Ttn T A 2: 76,571,778 (GRCm39) N26372Y probably damaging Het
Tubd1 T C 11: 86,446,128 (GRCm39) L256P possibly damaging Het
Txnrd2 C G 16: 18,259,569 (GRCm39) A126G probably benign Het
Vmn1r210 T G 13: 23,011,374 (GRCm39) K304T probably benign Het
Vps25 T C 11: 101,149,655 (GRCm39) S160P probably benign Het
Vrk3 T A 7: 44,424,900 (GRCm39) D438E probably benign Het
Vwa5b1 A G 4: 138,309,066 (GRCm39) L708P probably benign Het
Washc3 C T 10: 88,055,124 (GRCm39) Q105* probably null Het
Wdr83os T A 8: 85,807,410 (GRCm39) probably benign Het
Wwc1 T C 11: 35,758,123 (GRCm39) H741R probably benign Het
Zan T C 5: 137,434,575 (GRCm39) probably benign Het
Zdhhc4 A T 5: 143,311,931 (GRCm39) L14I possibly damaging Het
Zfp568 T A 7: 29,697,195 (GRCm39) D38E probably 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
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'- ACTTACCCTGGAGCTTGTTCTG -3'
(R):5'- GTTTACACATGGATCAACACTCCC -3'

Sequencing Primer
(F):5'- TCTGTTTCCAGAGCCCGG -3'
(R):5'- TTCACCCTGAACATCATAGAAGTG -3'
Posted On 2015-12-29