Incidental Mutation 'R5447:Helb'
ID 429138
Institutional Source Beutler Lab
Gene Symbol Helb
Ensembl Gene ENSMUSG00000020228
Gene Name helicase (DNA) B
Synonyms D10Ertd664e
MMRRC Submission 043012-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.274) question?
Stock # R5447 (G1)
Quality Score 225
Status Validated
Chromosome 10
Chromosomal Location 119919513-119948892 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 119938806 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Valine at position 556 (D556V)
Ref Sequence ENSEMBL: ENSMUSP00000020449 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020449] [ENSMUST00000154501]
AlphaFold Q6NVF4
Predicted Effect possibly damaging
Transcript: ENSMUST00000020449
AA Change: D556V

PolyPhen 2 Score 0.883 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000020449
Gene: ENSMUSG00000020228
AA Change: D556V

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 probably benign
Transcript: ENSMUST00000154501
SMART Domains Protein: ENSMUSP00000116954
Gene: ENSMUSG00000020228

DomainStartEndE-ValueType
low complexity region 20 43 N/A INTRINSIC
Pfam:AAA_30 434 546 1.2e-8 PFAM
Meta Mutation Damage Score 0.1795 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency 97% (71/73)
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: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb5 T C 12: 118,891,061 (GRCm39) I479V probably damaging Het
Adam30 A G 3: 98,068,659 (GRCm39) D164G probably benign Het
Adgrl3 T A 5: 81,613,188 (GRCm39) probably benign Het
Adrb1 T C 19: 56,711,519 (GRCm39) I239T probably benign Het
Albfm1 C A 5: 90,732,169 (GRCm39) A458E probably damaging Het
B4galnt3 T C 6: 120,192,018 (GRCm39) T572A probably benign Het
Baz2b T C 2: 59,744,332 (GRCm39) E1391G probably damaging Het
BC016579 A G 16: 45,469,252 (GRCm39) V72A probably benign Het
Btnl10 A T 11: 58,813,144 (GRCm39) I258F probably benign Het
Cdh5 A T 8: 104,855,994 (GRCm39) D309V probably damaging Het
Cdhr2 A G 13: 54,881,063 (GRCm39) D1042G probably damaging Het
Clk2 G T 3: 89,074,498 (GRCm39) V53F possibly damaging Het
Cyfip2 T C 11: 46,182,413 (GRCm39) D15G possibly damaging Het
Dip2b C T 15: 100,109,867 (GRCm39) R1451C probably damaging Het
Dmbt1 A G 7: 130,721,240 (GRCm39) Y1836C probably damaging Het
Dysf T C 6: 84,172,245 (GRCm39) F1905L probably damaging Het
E130114P18Rik A G 4: 97,578,955 (GRCm39) S7P unknown Het
Fam110a T C 2: 151,812,629 (GRCm39) E47G probably damaging Het
Gemin6 T G 17: 80,535,178 (GRCm39) V46G probably damaging Het
Hoxd4 A G 2: 74,557,687 (GRCm39) E22G probably damaging Het
Hsd17b8 A T 17: 34,245,886 (GRCm39) V202D probably damaging Het
Il1rl2 T G 1: 40,368,316 (GRCm39) I162R probably damaging Het
Lhfpl5 A G 17: 28,795,071 (GRCm39) T33A probably damaging Het
Mapk8ip3 G A 17: 25,118,163 (GRCm39) A1283V probably benign Het
Mettl13 A G 1: 162,363,449 (GRCm39) V227A probably benign Het
Mmgt2 T A 11: 62,555,824 (GRCm39) C57* probably null Het
Muc4 G C 16: 32,753,919 (GRCm38) R1265P probably benign Het
Mylk2 T C 2: 152,754,430 (GRCm39) S175P probably damaging Het
Neu4 C T 1: 93,950,140 (GRCm39) T33M probably damaging Het
Nfs1 C T 2: 155,984,056 (GRCm39) R107H probably benign Het
Nfxl1 C T 5: 72,686,512 (GRCm39) R563Q probably benign Het
Nid1 A G 13: 13,612,495 (GRCm39) D70G probably benign Het
Nup160 C A 2: 90,555,959 (GRCm39) Q1220K possibly damaging Het
Or1ad8 G A 11: 50,898,170 (GRCm39) V124M possibly damaging Het
Or1e22 A G 11: 73,377,002 (GRCm39) V216A probably benign Het
Or52s6 A C 7: 103,092,147 (GRCm39) M61R probably damaging Het
Or5k8 A T 16: 58,644,846 (GRCm39) C75* probably null Het
Pdgfrb T A 18: 61,201,180 (GRCm39) V422E probably damaging Het
Pear1 G A 3: 87,666,449 (GRCm39) R85C probably damaging Het
Pkhd1 T A 1: 20,309,609 (GRCm39) M2780L probably benign Het
Ppp4r4 T C 12: 103,550,410 (GRCm39) V62A possibly damaging Het
Prol1 C T 5: 88,476,125 (GRCm39) P172S unknown Het
Proz A G 8: 13,122,578 (GRCm39) I231V probably benign Het
Ptch1 T G 13: 63,675,059 (GRCm39) M718L probably benign Het
Ptprs A G 17: 56,736,128 (GRCm39) C102R possibly damaging Het
Robo2 A T 16: 73,770,654 (GRCm39) Y490* probably null Het
Rptor G A 11: 119,734,539 (GRCm39) G514D probably damaging Het
Scara5 CG C 14: 65,997,111 (GRCm39) probably null Het
Skint6 T A 4: 112,963,106 (GRCm39) S442C probably benign Het
Snw1 T C 12: 87,502,485 (GRCm39) E303G probably benign Het
Sp110 C G 1: 85,516,839 (GRCm39) E219D probably damaging Het
Stam2 G A 2: 52,626,305 (GRCm39) probably benign Het
Stk10 C T 11: 32,554,166 (GRCm39) Q618* probably null Het
Tmc3 A T 7: 83,271,569 (GRCm39) E907V possibly damaging Het
Ttn A T 2: 76,641,587 (GRCm39) L5176Q possibly damaging Het
Ttn T A 2: 76,729,451 (GRCm39) probably benign Het
Vps39 T C 2: 120,183,413 (GRCm39) D19G probably benign Het
Zan T C 5: 137,470,453 (GRCm39) S229G probably damaging Het
Zfp141 A T 7: 42,124,983 (GRCm39) C496* probably null Het
Zgrf1 T C 3: 127,356,768 (GRCm39) S665P possibly damaging 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
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
R7114:Helb UTSW 10 119,941,161 (GRCm39) missense probably benign 0.09
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'- TAACCGAATGTGCCGACTC -3'
(R):5'- ATTCATCTCTGCGTGCGTG -3'

Sequencing Primer
(F):5'- ACTCCCGGCCGTCTAAC -3'
(R):5'- CCTGTAATTGGAAAGTTTTGTACCG -3'
Posted On 2016-09-06