Incidental Mutation 'R7545:Polr1b'
ID 585983
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 045650-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7545 (G1)
Quality Score 225.009
Status Not validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) T to A at 128959766 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000099494 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028874] [ENSMUST00000103205]
AlphaFold P70700
Predicted Effect probably null
Transcript: ENSMUST00000028874
SMART Domains Protein: ENSMUSP00000028874
Gene: ENSMUSG00000027395

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 null
Transcript: ENSMUST00000103205
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395

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: 99.7%
  • 20x: 99.0%
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: 71 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700028K03Rik T C 5: 107,696,040 (GRCm39) Y159H probably damaging Het
A1cf A T 19: 31,912,190 (GRCm39) N435I possibly damaging Het
Aasdh A T 5: 77,027,861 (GRCm39) F849I probably damaging Het
Aatf A T 11: 84,361,502 (GRCm39) M367K probably benign Het
Acnat1 A T 4: 49,449,142 (GRCm39) L208* probably null Het
Adam26b C T 8: 43,974,750 (GRCm39) G84D probably damaging Het
Adamtsl1 A T 4: 85,683,092 (GRCm39) E54D probably damaging Het
Ang6 T G 14: 44,239,636 (GRCm39) I31L probably benign Het
Asic4 A G 1: 75,449,060 (GRCm39) N403S probably damaging Het
Bicd1 G A 6: 149,414,990 (GRCm39) V568M probably benign Het
Ccdc192 A G 18: 57,863,895 (GRCm39) E233G probably damaging Het
Cfap45 A T 1: 172,366,163 (GRCm39) M339L probably benign Het
Cnga4 A G 7: 105,056,286 (GRCm39) D399G probably damaging Het
Csnk1g3 C T 18: 54,028,897 (GRCm39) R17W probably damaging Het
Dnah11 A G 12: 117,894,939 (GRCm39) F3636S probably damaging Het
Dscaml1 A T 9: 45,596,681 (GRCm39) T842S probably benign Het
Ets2 C A 16: 95,516,127 (GRCm39) Q236K probably benign Het
Ext2 C A 2: 93,644,108 (GRCm39) V58L probably benign Het
Fam135b T C 15: 71,322,359 (GRCm39) K1269E possibly damaging Het
Fech A G 18: 64,597,185 (GRCm39) L258P probably damaging Het
Gls A G 1: 52,230,311 (GRCm39) S467P probably damaging Het
Gm19410 T A 8: 36,269,779 (GRCm39) D1141E probably damaging Het
Gm45861 T G 8: 28,071,032 (GRCm39) M1246R unknown Het
Gm6902 T A 7: 22,973,087 (GRCm39) I147L probably benign Het
Itga7 G T 10: 128,769,775 (GRCm39) probably benign Het
Itpripl1 A T 2: 126,983,581 (GRCm39) C180* probably null Het
Klhl33 C A 14: 51,130,631 (GRCm39) V28F probably damaging Het
Kmo A T 1: 175,481,194 (GRCm39) D304V probably damaging Het
Mier2 T C 10: 79,377,028 (GRCm39) N537S possibly damaging Het
Mroh9 A G 1: 162,902,277 (GRCm39) I112T possibly damaging Het
Mterf1a T A 5: 3,940,995 (GRCm39) E291V probably damaging Het
Muc5ac T A 7: 141,362,405 (GRCm39) N1905K unknown Het
Myt1l G A 12: 29,877,087 (GRCm39) R246Q unknown Het
Nav2 A G 7: 49,232,605 (GRCm39) E1854G probably damaging Het
Nelfcd A G 2: 174,265,771 (GRCm39) probably null Het
Nf1 T A 11: 79,300,350 (GRCm39) D287E probably benign Het
Nfyc T C 4: 120,630,966 (GRCm39) probably null Het
Obscn A T 11: 58,929,725 (GRCm39) D5163E probably damaging Het
Or10d4c C T 9: 39,558,403 (GRCm39) P127L probably damaging Het
Or8g28 T A 9: 39,169,984 (GRCm39) probably null Het
Plppr1 A T 4: 49,320,002 (GRCm39) L209F possibly damaging Het
Pmm1 T C 15: 81,835,803 (GRCm39) D226G probably damaging Het
Ppp2r5a A G 1: 191,104,806 (GRCm39) V80A probably benign Het
Pramel17 T A 4: 101,695,159 (GRCm39) I51L probably benign Het
Psrc1 A G 3: 108,293,759 (GRCm39) probably null Het
Ralbp1 T C 17: 66,174,593 (GRCm39) T60A probably benign Het
Rasal2 A T 1: 157,020,339 (GRCm39) S217T possibly damaging Het
Rnase12 A G 14: 51,294,395 (GRCm39) F95L probably damaging Het
Rnf152 A T 1: 105,211,957 (GRCm39) I200K probably damaging Het
Rsf1 GGCGGCGGC GGCGGCGGCCGCGGCGGC 7: 97,229,134 (GRCm39) probably benign Het
Ryk C T 9: 102,765,672 (GRCm39) T327I probably damaging Het
Sell A T 1: 163,892,903 (GRCm39) T40S probably benign Het
Slc15a2 G A 16: 36,595,964 (GRCm39) H153Y probably damaging Het
Slit3 A G 11: 35,591,139 (GRCm39) D1317G possibly damaging Het
Slx4 G A 16: 3,817,164 (GRCm39) T19M probably benign Het
Spata31 C T 13: 65,070,359 (GRCm39) R836* probably null Het
Specc1l T C 10: 75,080,921 (GRCm39) S106P probably benign Het
Speer1a C A 5: 11,394,884 (GRCm39) Q124K possibly damaging Het
Stc2 T C 11: 31,317,799 (GRCm39) N74S probably damaging Het
Strn3 A T 12: 51,674,543 (GRCm39) S498T probably damaging Het
Sva C T 6: 42,019,148 (GRCm39) T106I probably benign Het
Tle3 T A 9: 61,301,984 (GRCm39) L131Q possibly damaging Het
Tmem135 T A 7: 88,954,727 (GRCm39) R97W probably damaging Het
Tmx4 A G 2: 134,451,425 (GRCm39) L176S possibly damaging Het
Tomm20l C A 12: 71,164,171 (GRCm39) probably null Het
Topors A T 4: 40,262,173 (GRCm39) F370L possibly damaging Het
Ulk4 T C 9: 120,970,904 (GRCm39) T1023A probably benign Het
Unc13a C T 8: 72,094,153 (GRCm39) probably null Het
Urb2 T C 8: 124,756,491 (GRCm39) S733P probably benign Het
Vwf A G 6: 125,591,060 (GRCm39) D750G Het
Xylt1 G A 7: 117,192,812 (GRCm39) D373N probably benign 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
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'- GCTGTGTAGCCCTTTCTGCA -3'
(R):5'- CAAGTTCTGCACAGGCCTCA -3'

Sequencing Primer
(F):5'- GCATCCCTGTTGCTTGTTTG -3'
(R):5'- TCACCAGCCTGCAGGGAG -3'
Posted On 2019-10-18