Incidental Mutation 'R8963:Polr1b'
ID 682467
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 068797-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8963 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 128957576 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 544 (T544A)
Ref Sequence ENSEMBL: ENSMUSP00000099494 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028874] [ENSMUST00000103205]
AlphaFold P70700
Predicted Effect probably benign
Transcript: ENSMUST00000028874
AA Change: T544A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000028874
Gene: ENSMUSG00000027395
AA Change: T544A

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: T544A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: T544A

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.4%
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: 78 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aatk T C 11: 119,902,963 (GRCm39) T421A probably damaging Het
Adamts12 T C 15: 11,317,443 (GRCm39) probably null Het
Adgrv1 A T 13: 81,567,588 (GRCm39) V5195E probably benign Het
Adora2b C T 11: 62,139,983 (GRCm39) A19V possibly damaging Het
Ankrd28 A G 14: 31,477,698 (GRCm39) C115R probably benign Het
Ankrd35 T A 3: 96,587,003 (GRCm39) L106* probably null Het
Ankrd44 G A 1: 54,801,538 (GRCm39) A263V probably damaging Het
Apol7b T C 15: 77,308,120 (GRCm39) K125R possibly damaging Het
Cacna1c A T 6: 118,719,232 (GRCm39) L245* probably null Het
Cbll1 A T 12: 31,538,199 (GRCm39) H185Q probably damaging Het
Ccdc150 A C 1: 54,311,641 (GRCm39) N209T probably benign Het
Ccdc88a T A 11: 29,448,416 (GRCm39) N1465K possibly damaging Het
Cfap54 C A 10: 92,864,562 (GRCm39) G124* probably null Het
Chml A T 1: 175,514,601 (GRCm39) L440H probably damaging Het
Chrnd A T 1: 87,122,603 (GRCm39) Q128L probably damaging Het
Clvs2 A T 10: 33,498,677 (GRCm39) D84E probably benign Het
Ctif CGGGGCACACTTTGCTCTTACCTCCCGGAGGCACGTGTAGATGGGGCACACTTTGCTCTTACCTCCCGGAGGCACGTGTAGATGGGGCACAC CGGGGCACACTTTGCTCTTACCTCCCGGAGGCACGTGTAGATGGGGCACAC 18: 75,604,874 (GRCm39) probably benign Het
Cyp2c40 T A 19: 39,755,926 (GRCm39) I463F possibly damaging Het
Cyp51 C A 5: 4,136,519 (GRCm39) R425L probably damaging Het
Daam1 A G 12: 71,992,018 (GRCm39) T279A unknown Het
Ebf2 G T 14: 67,665,554 (GRCm39) V571F probably benign Het
Elapor2 T A 5: 9,487,792 (GRCm39) N559K probably damaging Het
Elavl4 A T 4: 110,063,776 (GRCm39) I275N probably damaging Het
F11r A G 1: 171,288,505 (GRCm39) Q116R probably benign Het
Foxred2 T A 15: 77,829,805 (GRCm39) D580V probably benign Het
Gatad1 A C 5: 3,691,544 (GRCm39) L4R probably damaging Het
Gcn1 T A 5: 115,727,153 (GRCm39) M670K probably benign Het
Greb1 A T 12: 16,774,885 (GRCm39) F171I probably damaging Het
Grin2b A G 6: 136,021,007 (GRCm39) V98A probably damaging Het
Helz2 A T 2: 180,871,407 (GRCm39) V2735E probably damaging Het
Hrct1 A T 4: 43,727,564 (GRCm39) probably benign Het
Ighv1-11 C T 12: 114,575,864 (GRCm39) R117K probably damaging Het
Igkv12-46 A T 6: 69,741,754 (GRCm39) S34T probably damaging Het
Il27ra T A 8: 84,767,711 (GRCm39) N71Y probably damaging Het
Iqca1 G T 1: 90,067,649 (GRCm39) H201N probably benign Het
Itgb1bp1 C T 12: 21,324,864 (GRCm39) R64Q probably damaging Het
Katnb1 T C 8: 95,809,519 (GRCm39) L13S probably damaging Het
Kif26b G A 1: 178,743,714 (GRCm39) R1270Q probably benign Het
Klhdc2 A T 12: 69,347,065 (GRCm39) R77* probably null Het
Klra10 A T 6: 130,249,617 (GRCm39) probably null Het
Large1 A T 8: 73,542,612 (GRCm39) I704N probably damaging Het
Lrp1b G A 2: 40,888,196 (GRCm39) H2241Y probably benign Het
Lrpap1 T A 5: 35,255,001 (GRCm39) M212L probably benign Het
Mab21l1 A G 3: 55,690,348 (GRCm39) probably benign Het
Map4k4 A T 1: 40,039,740 (GRCm39) Q44L probably damaging Het
Map7d1 A G 4: 126,130,475 (GRCm39) S412P probably damaging Het
Me1 A T 9: 86,480,844 (GRCm39) F354I probably damaging Het
Nlrp1b A G 11: 71,108,658 (GRCm39) V281A probably damaging Het
Nrip2 A G 6: 128,385,288 (GRCm39) T240A possibly damaging Het
Nsmaf A G 4: 6,428,471 (GRCm39) V203A probably damaging Het
Or12e8 T A 2: 87,187,950 (GRCm39) I54K possibly damaging Het
Or4g17 A T 2: 111,209,645 (GRCm39) Q100L probably damaging Het
Or4n5 A T 14: 50,132,509 (GRCm39) M250K probably benign Het
Or8g2 A G 9: 39,821,495 (GRCm39) Y132C probably damaging Het
P4ha2 T C 11: 54,004,995 (GRCm39) F124L probably benign Het
Pcdha9 A T 18: 37,131,750 (GRCm39) D273V probably benign Het
Pkd1l3 GACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCA GACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCAACAAACATGACATCAGACACACCTGCATCCAGCAGCCCA 8: 110,350,827 (GRCm39) probably benign Het
Plxnd1 G T 6: 115,949,506 (GRCm39) S760* probably null Het
Polr2g T C 19: 8,771,513 (GRCm39) D153G probably damaging Het
Pramel12 T C 4: 143,144,229 (GRCm39) Y192H probably benign Het
Rad51ap2 A C 12: 11,506,255 (GRCm39) E59A possibly damaging Het
Rrm1 A T 7: 102,105,739 (GRCm39) Y285F probably benign Het
Ryr3 A G 2: 112,667,015 (GRCm39) probably null Het
Scaf4 GGCTGCTGCTGCTGCTGCTGCTGCTG GGCTGCTGCTGCTGCTGCTGCTG 16: 90,026,745 (GRCm39) probably benign Het
Sftpd A G 14: 40,905,001 (GRCm39) V30A probably benign Het
Sirt6 A G 10: 81,462,378 (GRCm39) V7A probably benign Het
Ska1 C T 18: 74,330,639 (GRCm39) V188M probably damaging Het
Skint8 G A 4: 111,794,241 (GRCm39) M210I probably benign Het
Slc6a11 A G 6: 114,202,782 (GRCm39) probably null Het
Slc6a2 A T 8: 93,715,702 (GRCm39) H280L probably benign Het
Sptan1 T C 2: 29,873,744 (GRCm39) V208A possibly damaging Het
Taf6l T A 19: 8,752,135 (GRCm39) T518S probably benign Het
Thoc2l T C 5: 104,665,652 (GRCm39) V58A probably benign Het
Tsc22d1 T C 14: 76,656,266 (GRCm39) M59T probably benign Het
Unc5cl A G 17: 48,769,361 (GRCm39) T282A probably benign Het
Vav3 A G 3: 109,590,229 (GRCm39) K260E probably damaging Het
Vmn2r53 A G 7: 12,315,926 (GRCm39) V631A probably damaging Het
Zfp938 A T 10: 82,061,287 (GRCm39) F444L 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
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
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
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'- CTTTAGGAATCCGCGTGTGC -3'
(R):5'- CACTTCATCAACTAGGAAAGGC -3'

Sequencing Primer
(F):5'- CAGCCATCTTCTCACAGGAG -3'
(R):5'- TTCATCAACTAGGAAAGGCTGAGAAC -3'
Posted On 2021-08-31