Incidental Mutation 'R6746:Helb'
ID 532845
Institutional Source Beutler Lab
Gene Symbol Helb
Ensembl Gene ENSMUSG00000020228
Gene Name helicase (DNA) B
Synonyms D10Ertd664e
MMRRC Submission 044863-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.241) question?
Stock # R6746 (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 119941373 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glutamic Acid at position 438 (D438E)
Ref Sequence ENSEMBL: ENSMUSP00000020449 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020449] [ENSMUST00000154501]
AlphaFold Q6NVF4
Predicted Effect probably damaging
Transcript: ENSMUST00000020449
AA Change: D438E

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000020449
Gene: ENSMUSG00000020228
AA Change: D438E

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 damaging
Transcript: ENSMUST00000154501
AA Change: D438E

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000116954
Gene: ENSMUSG00000020228
AA Change: D438E

DomainStartEndE-ValueType
low complexity region 20 43 N/A INTRINSIC
Pfam:AAA_30 434 546 1.2e-8 PFAM
Meta Mutation Damage Score 0.1818 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.6%
  • 20x: 96.3%
Validation Efficiency 100% (58/58)
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
Abca17 A T 17: 24,565,195 (GRCm39) L79* probably null Het
Acot3 A G 12: 84,100,248 (GRCm39) N8S probably benign Het
Adora2a T C 10: 75,169,442 (GRCm39) V302A probably benign Het
Anpep A C 7: 79,488,933 (GRCm39) probably null Het
Arrb1 A G 7: 99,250,357 (GRCm39) K392E probably benign Het
Atp8a1 A T 5: 67,908,392 (GRCm39) N444K probably benign Het
Bltp3b T A 10: 89,623,020 (GRCm39) N298K probably benign Het
Brinp2 C T 1: 158,094,160 (GRCm39) G181R probably benign Het
Cacna1g A T 11: 94,300,253 (GRCm39) C2184* probably null Het
Cacna1h C T 17: 25,600,524 (GRCm39) A1606T probably damaging Het
Ccdc30 T C 4: 119,213,915 (GRCm39) T205A probably benign Het
Celsr1 A G 15: 85,915,696 (GRCm39) I759T probably damaging Het
Chaf1a A G 17: 56,370,404 (GRCm39) D623G possibly damaging Het
Col6a3 G T 1: 90,706,767 (GRCm39) N2115K unknown Het
Dync1h1 A T 12: 110,618,087 (GRCm39) T3209S probably damaging Het
Erich6 T C 3: 58,523,987 (GRCm39) D629G possibly damaging Het
Fahd1 G T 17: 25,068,915 (GRCm39) A54E probably damaging Het
Flrt3 C T 2: 140,501,945 (GRCm39) R561Q probably damaging Het
Grm6 A T 11: 50,747,790 (GRCm39) D334V probably damaging Het
Hmgcs1 T C 13: 120,156,585 (GRCm39) probably null Het
Hnf4g C A 3: 3,722,170 (GRCm39) Y441* probably null Het
Hspa13 A T 16: 75,561,925 (GRCm39) N91K possibly damaging Het
Ilvbl T C 10: 78,413,057 (GRCm39) I193T possibly damaging Het
Itga7 T C 10: 128,785,341 (GRCm39) V848A probably benign Het
Kash5 C T 7: 44,849,735 (GRCm39) V63I probably benign Het
Lpin1 A G 12: 16,615,529 (GRCm39) M341T probably benign Het
Lypd5 G T 7: 24,052,531 (GRCm39) probably null Het
Mrgprb1 A C 7: 48,097,645 (GRCm39) V89G possibly damaging Het
Nsun7 T C 5: 66,441,080 (GRCm39) probably null Het
Oasl1 T A 5: 115,075,242 (GRCm39) V434E probably damaging Het
Or2ak6 G A 11: 58,593,369 (GRCm39) V281I probably benign Het
Or7g22 A G 9: 19,048,774 (GRCm39) M162V probably benign Het
Or8k16 T C 2: 85,519,952 (GRCm39) Y60H probably damaging Het
Otor T A 2: 142,921,955 (GRCm39) probably null Het
Pik3cg G A 12: 32,244,757 (GRCm39) T899M probably damaging Het
Plaat5 A G 19: 7,590,695 (GRCm39) D74G probably benign Het
Pld2 C A 11: 70,431,933 (GRCm39) L52M probably damaging Het
Pon3 A T 6: 5,230,786 (GRCm39) M247K possibly damaging Het
Ppfia2 C A 10: 106,742,319 (GRCm39) Y1037* probably null Het
Ppm1m A T 9: 106,075,351 (GRCm39) C99* probably null Het
Prss44 A T 9: 110,644,361 (GRCm39) *145C probably null Het
Ptpro T A 6: 137,371,821 (GRCm39) Y613N probably damaging Het
Ralgapb T G 2: 158,318,056 (GRCm39) V866G probably damaging Het
Rassf6 C A 5: 90,757,633 (GRCm39) R109L possibly damaging Het
Rbm4b A C 19: 4,812,031 (GRCm39) T147P probably benign Het
Rpl7l1 T C 17: 47,090,322 (GRCm39) K104R probably benign Het
Ryr1 A T 7: 28,816,829 (GRCm39) I69N possibly damaging Het
Scd1 G T 19: 44,394,927 (GRCm39) F99L probably benign Het
Semp2l1 A T 1: 32,585,844 (GRCm39) I22N probably benign Het
Spint2 A T 7: 28,958,848 (GRCm39) S66T probably benign Het
Tarm1 T A 7: 3,550,978 (GRCm39) I2F probably benign Het
Tenm4 T C 7: 96,542,067 (GRCm39) V1860A probably damaging Het
Usp38 A G 8: 81,740,920 (GRCm39) I49T possibly damaging Het
Vars2 A G 17: 35,971,294 (GRCm39) probably null Het
Vmn2r27 T G 6: 124,177,552 (GRCm39) H484P possibly damaging Het
Wdr35 T A 12: 9,053,982 (GRCm39) probably null Het
Zfp937 A T 2: 150,081,343 (GRCm39) K458* probably null 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
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'- CAAGCCACTCTTCTGAGGCTTC -3'
(R):5'- ACCTCCGTGGCACTTAAAAG -3'

Sequencing Primer
(F):5'- GAGGCTTCCTGGTCTTGTTCAAAATC -3'
(R):5'- AACGTCCTGGCGTCAATTAG -3'
Posted On 2018-08-29