Incidental Mutation 'R7114:Helb'
ID 551692
Institutional Source Beutler Lab
Gene Symbol Helb
Ensembl Gene ENSMUSG00000020228
Gene Name helicase (DNA) B
Synonyms D10Ertd664e
MMRRC Submission 045244-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.274) question?
Stock # R7114 (G1)
Quality Score 225.009
Status Validated
Chromosome 10
Chromosomal Location 119919513-119948892 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 119941161 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 509 (V509E)
Ref Sequence ENSEMBL: ENSMUSP00000020449 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020449] [ENSMUST00000154501]
AlphaFold Q6NVF4
Predicted Effect probably benign
Transcript: ENSMUST00000020449
AA Change: V509E

PolyPhen 2 Score 0.092 (Sensitivity: 0.93; Specificity: 0.85)
SMART Domains Protein: ENSMUSP00000020449
Gene: ENSMUSG00000020228
AA Change: V509E

DomainStartEndE-ValueType
low complexity region 20 43 N/A INTRINSIC
Pfam:AAA_30 434 661 4.8e-24 PFAM
Pfam:UvrD_C_2 855 901 2.3e-10 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000154501
AA Change: V509E

PolyPhen 2 Score 0.641 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000116954
Gene: ENSMUSG00000020228
AA Change: V509E

DomainStartEndE-ValueType
low complexity region 20 43 N/A INTRINSIC
Pfam:AAA_30 434 546 1.2e-8 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency 98% (59/60)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a DNA-dependent ATPase which catalyzes the unwinding of DNA necessary for DNA replication, repair, recombination, and transcription. This gene is thought to function specifically during the S phase entry of the cell cycle. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]
PHENOTYPE: Homozygous knockout MEFs display increased DNA end resection, resulting in increased level of single-strand DNA formation at double-strand DNA breaks. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aatk C T 11: 119,900,445 (GRCm39) A1291T probably benign Het
Anks1b G A 10: 90,143,560 (GRCm39) R523Q probably damaging Het
Arhgap12 T A 18: 6,028,056 (GRCm39) I690F probably damaging Het
Caln1 T C 5: 130,868,124 (GRCm39) V220A possibly damaging Het
Cd79b T A 11: 106,202,713 (GRCm39) T263S probably damaging Het
Cep290 A T 10: 100,379,220 (GRCm39) K67N probably damaging Het
Col19a1 T C 1: 24,377,017 (GRCm39) T443A possibly damaging Het
Col25a1 A G 3: 130,389,324 (GRCm39) I636V probably benign Het
Col9a3 C T 2: 180,245,590 (GRCm39) P154S unknown Het
Cyp3a11 T A 5: 145,795,593 (GRCm39) M453L probably benign Het
Disp1 C A 1: 182,869,030 (GRCm39) R1130L probably damaging Het
Eno1b T C 18: 48,180,560 (GRCm39) V246A possibly damaging Het
Eogt T C 6: 97,092,965 (GRCm39) Y404C probably damaging Het
Ephx3 T A 17: 32,404,006 (GRCm39) E380V possibly damaging Het
Fancl T C 11: 26,357,615 (GRCm39) L114P probably damaging Het
Flad1 C T 3: 89,314,837 (GRCm39) G287S probably benign Het
Gcm1 G T 9: 77,967,061 (GRCm39) K93N probably damaging Het
Golga3 T A 5: 110,350,578 (GRCm39) D704E probably benign Het
Grb14 A C 2: 64,747,197 (GRCm39) I451S probably damaging Het
Gtf3c3 T C 1: 54,462,666 (GRCm39) N366D probably benign Het
Hecw1 A T 13: 14,486,356 (GRCm39) H376Q probably benign Het
Hephl1 C T 9: 14,981,111 (GRCm39) E774K probably damaging Het
Hkdc1 T C 10: 62,229,622 (GRCm39) E685G probably damaging Het
Igfn1 T C 1: 135,894,519 (GRCm39) T2016A probably benign Het
Igkv5-43 T G 6: 69,800,515 (GRCm39) Q57H probably damaging Het
Lamc3 T A 2: 31,820,657 (GRCm39) V1224E probably damaging Het
Lgals3bp C T 11: 118,284,309 (GRCm39) W423* probably null Het
Mcm9 G A 10: 53,414,669 (GRCm39) T137I possibly damaging Het
Mdga1 C A 17: 30,061,816 (GRCm39) probably null Het
Mocos C T 18: 24,799,572 (GRCm39) P269S probably damaging Het
Naa40 A G 19: 7,207,322 (GRCm39) V134A probably damaging Het
Neb G A 2: 52,082,571 (GRCm39) L5680F probably damaging Het
Nedd9 A G 13: 41,492,099 (GRCm39) V137A probably benign Het
Nup133 T C 8: 124,642,112 (GRCm39) I784V probably benign Het
Nup214 T C 2: 31,915,256 (GRCm39) S1147P possibly damaging Het
Or10x4 A T 1: 174,218,805 (GRCm39) M57L probably damaging Het
Or8g28 G T 9: 39,169,897 (GRCm39) Q24K possibly damaging Het
Plcb4 T A 2: 135,824,043 (GRCm39) probably null Het
Pomt1 C T 2: 32,143,848 (GRCm39) T671I probably benign Het
Pomt2 G T 12: 87,157,150 (GRCm39) P723H probably damaging Het
Prpf8 T A 11: 75,394,181 (GRCm39) Y1741* probably null Het
Ptprs C G 17: 56,758,697 (GRCm39) V175L probably benign Het
Slc36a4 T C 9: 15,633,250 (GRCm39) F95L probably benign Het
Smn1 C T 13: 100,267,648 (GRCm39) P225S probably benign Het
Snrpa A T 7: 26,891,174 (GRCm39) I99N probably benign Het
Tgm5 G T 2: 120,878,977 (GRCm39) Y588* probably null Het
Tmeff2 T A 1: 51,224,404 (GRCm39) probably null Het
Tmem120b T C 5: 123,254,741 (GRCm39) F314S probably damaging Het
Trim43b C T 9: 88,967,661 (GRCm39) R325H probably benign Het
Vmn1r26 C T 6: 57,985,755 (GRCm39) A145T probably benign Het
Wdfy4 T C 14: 32,693,531 (GRCm39) probably null Het
Wnt5a C A 14: 28,244,713 (GRCm39) T320K probably damaging Het
Wrn AGCAGGTAATACATACCG AG 8: 33,775,149 (GRCm39) probably null Het
Zfp398 T C 6: 47,842,910 (GRCm39) S321P probably benign Het
Zfp959 T A 17: 56,205,501 (GRCm39) C513S possibly damaging Het
Zfr2 A G 10: 81,080,559 (GRCm39) D411G probably damaging Het
Zkscan5 T A 5: 145,147,988 (GRCm39) probably benign Het
Other mutations in Helb
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00340:Helb APN 10 119,934,150 (GRCm39) missense possibly damaging 0.88
IGL00516:Helb APN 10 119,941,329 (GRCm39) missense probably damaging 1.00
IGL00924:Helb APN 10 119,946,889 (GRCm39) missense probably benign 0.01
IGL00971:Helb APN 10 119,930,168 (GRCm39) missense possibly damaging 0.50
IGL01142:Helb APN 10 119,947,049 (GRCm39) missense probably damaging 1.00
IGL01483:Helb APN 10 119,947,043 (GRCm39) missense probably damaging 1.00
IGL01688:Helb APN 10 119,944,885 (GRCm39) missense probably damaging 0.99
IGL01860:Helb APN 10 119,938,738 (GRCm39) missense probably damaging 0.97
IGL02298:Helb APN 10 119,937,431 (GRCm39) missense probably damaging 1.00
IGL02501:Helb APN 10 119,938,693 (GRCm39) missense possibly damaging 0.96
IGL02554:Helb APN 10 119,925,617 (GRCm39) missense probably damaging 1.00
IGL02810:Helb APN 10 119,927,608 (GRCm39) missense possibly damaging 0.48
IGL02902:Helb APN 10 119,925,390 (GRCm39) missense probably benign 0.00
IGL03405:Helb APN 10 119,925,701 (GRCm39) missense probably damaging 1.00
R0004:Helb UTSW 10 119,944,886 (GRCm39) missense probably damaging 1.00
R0092:Helb UTSW 10 119,925,713 (GRCm39) missense probably damaging 1.00
R0436:Helb UTSW 10 119,930,117 (GRCm39) splice site probably benign
R0850:Helb UTSW 10 119,941,272 (GRCm39) missense probably damaging 1.00
R1423:Helb UTSW 10 119,944,871 (GRCm39) missense probably damaging 0.99
R1663:Helb UTSW 10 119,941,338 (GRCm39) missense probably damaging 1.00
R1756:Helb UTSW 10 119,930,147 (GRCm39) missense probably damaging 0.96
R1812:Helb UTSW 10 119,925,471 (GRCm39) nonsense probably null
R1976:Helb UTSW 10 119,930,168 (GRCm39) missense possibly damaging 0.50
R2049:Helb UTSW 10 119,941,926 (GRCm39) missense possibly damaging 0.74
R2063:Helb UTSW 10 119,941,671 (GRCm39) missense probably benign
R2141:Helb UTSW 10 119,941,926 (GRCm39) missense possibly damaging 0.74
R2180:Helb UTSW 10 119,941,353 (GRCm39) missense probably benign 0.02
R2432:Helb UTSW 10 119,941,442 (GRCm39) missense probably benign 0.01
R3030:Helb UTSW 10 119,925,487 (GRCm39) nonsense probably null
R3874:Helb UTSW 10 119,941,942 (GRCm39) missense probably benign 0.31
R3978:Helb UTSW 10 119,925,530 (GRCm39) missense probably benign
R4731:Helb UTSW 10 119,930,193 (GRCm39) critical splice acceptor site probably null
R4734:Helb UTSW 10 119,920,754 (GRCm39) missense probably benign
R4748:Helb UTSW 10 119,920,754 (GRCm39) missense probably benign
R4749:Helb UTSW 10 119,920,754 (GRCm39) missense probably benign
R4840:Helb UTSW 10 119,920,763 (GRCm39) missense probably benign 0.33
R4977:Helb UTSW 10 119,946,786 (GRCm39) missense probably benign 0.01
R5149:Helb UTSW 10 119,941,648 (GRCm39) missense probably benign 0.39
R5220:Helb UTSW 10 119,937,391 (GRCm39) missense probably damaging 1.00
R5447:Helb UTSW 10 119,938,806 (GRCm39) missense possibly damaging 0.88
R5637:Helb UTSW 10 119,941,353 (GRCm39) missense probably benign 0.02
R5660:Helb UTSW 10 119,946,984 (GRCm39) nonsense probably null
R5663:Helb UTSW 10 119,941,698 (GRCm39) missense possibly damaging 0.61
R5806:Helb UTSW 10 119,928,424 (GRCm39) missense probably damaging 1.00
R5951:Helb UTSW 10 119,927,653 (GRCm39) missense possibly damaging 0.91
R6010:Helb UTSW 10 119,941,788 (GRCm39) missense probably damaging 1.00
R6183:Helb UTSW 10 119,948,903 (GRCm39) splice site probably null
R6578:Helb UTSW 10 119,947,086 (GRCm39) missense probably damaging 1.00
R6642:Helb UTSW 10 119,920,835 (GRCm39) missense probably benign 0.17
R6666:Helb UTSW 10 119,920,856 (GRCm39) missense probably damaging 0.99
R6705:Helb UTSW 10 119,925,716 (GRCm39) splice site probably null
R6746:Helb UTSW 10 119,941,373 (GRCm39) missense probably damaging 1.00
R7396:Helb UTSW 10 119,925,476 (GRCm39) missense probably benign
R7422:Helb UTSW 10 119,944,799 (GRCm39) missense probably damaging 1.00
R7508:Helb UTSW 10 119,941,188 (GRCm39) missense probably benign 0.04
R7509:Helb UTSW 10 119,925,719 (GRCm39) missense probably damaging 1.00
R7746:Helb UTSW 10 119,931,007 (GRCm39) missense probably null 1.00
R8058:Helb UTSW 10 119,941,483 (GRCm39) missense probably benign 0.00
R8074:Helb UTSW 10 119,925,321 (GRCm39) missense probably benign 0.00
R8348:Helb UTSW 10 119,938,791 (GRCm39) missense probably damaging 1.00
R8428:Helb UTSW 10 119,927,522 (GRCm39) missense probably damaging 1.00
R8448:Helb UTSW 10 119,938,791 (GRCm39) missense probably damaging 1.00
R8710:Helb UTSW 10 119,941,872 (GRCm39) missense probably damaging 1.00
R8751:Helb UTSW 10 119,925,412 (GRCm39) missense probably benign 0.01
R8815:Helb UTSW 10 119,948,692 (GRCm39) missense possibly damaging 0.71
R8822:Helb UTSW 10 119,941,389 (GRCm39) missense probably benign 0.01
R9031:Helb UTSW 10 119,920,790 (GRCm39) missense possibly damaging 0.62
R9340:Helb UTSW 10 119,928,556 (GRCm39) missense probably damaging 1.00
Z1177:Helb UTSW 10 119,928,595 (GRCm39) critical splice acceptor site probably null
Predicted Primers PCR Primer
(F):5'- CTGATTACTTCTGGACAAGGAGC -3'
(R):5'- TGGATCAAGATCAGGTGGTCG -3'

Sequencing Primer
(F):5'- CTTCTGGACAAGGAGCAAAAGATGTC -3'
(R):5'- AACGCGGTGACTGTCCTCAG -3'
Posted On 2019-05-15