Incidental Mutation 'R1976:Helb'
ID 221742
Institutional Source Beutler Lab
Gene Symbol Helb
Ensembl Gene ENSMUSG00000020228
Gene Name helicase (DNA) B
Synonyms D10Ertd664e
MMRRC Submission 039989-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.274) question?
Stock # R1976 (G1)
Quality Score 188
Status Validated
Chromosome 10
Chromosomal Location 119919513-119948892 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 119930168 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 737 (D737G)
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: D737G

PolyPhen 2 Score 0.504 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000020449
Gene: ENSMUSG00000020228
AA Change: D737G

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 noncoding transcript
Transcript: ENSMUST00000148241
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 0.0884 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.8%
Validation Efficiency 98% (65/66)
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 T C 11: 9,347,815 (GRCm39) V3556A probably damaging Het
Abcb5 T C 12: 118,854,417 (GRCm39) I833V probably benign Het
Adgrd1 A T 5: 129,217,861 (GRCm39) H432L probably benign Het
Alppl2 T A 1: 87,016,463 (GRCm39) I204F probably damaging Het
Ascc3 T A 10: 50,525,262 (GRCm39) F486I probably damaging Het
Bcl9l T A 9: 44,417,449 (GRCm39) L429Q possibly damaging Het
Ccdc33 A T 9: 58,024,445 (GRCm39) Y227* probably null Het
Cd101 A G 3: 100,915,377 (GRCm39) V730A probably damaging Het
Cdadc1 A T 14: 59,811,217 (GRCm39) V431E probably damaging Het
Dazap1 T A 10: 80,110,454 (GRCm39) probably null Het
Dbpht2 T A 12: 74,342,635 (GRCm39) noncoding transcript Het
Dennd4b A T 3: 90,180,362 (GRCm39) T742S probably damaging Het
Dhtkd1 T C 2: 5,907,202 (GRCm39) E838G possibly damaging Het
Dync2h1 A T 9: 7,129,045 (GRCm39) D1823E probably benign Het
Enox1 T A 14: 77,906,233 (GRCm39) N556K probably benign Het
Fam227a T C 15: 79,510,477 (GRCm39) I392M possibly damaging Het
Fnip2 A T 3: 79,388,238 (GRCm39) M831K probably benign Het
Foxn1 T C 11: 78,256,763 (GRCm39) probably benign Het
Garre1 A C 7: 33,956,805 (GRCm39) N353K probably damaging Het
Glis3 T C 19: 28,240,077 (GRCm39) 936 probably benign Het
Gm4953 T A 1: 158,995,923 (GRCm39) noncoding transcript Het
Gsr T G 8: 34,170,288 (GRCm39) probably null Het
Habp4 G T 13: 64,332,420 (GRCm39) V344F probably benign Het
Hdac7 G A 15: 97,704,386 (GRCm39) Q495* probably null Het
Hltf A G 3: 20,160,610 (GRCm39) D759G probably damaging Het
Hlx G T 1: 184,464,184 (GRCm39) A52D probably damaging Het
Itga10 C T 3: 96,559,054 (GRCm39) probably benign Het
Itsn2 A G 12: 4,722,733 (GRCm39) probably benign Het
Kank2 A T 9: 21,705,857 (GRCm39) V387E probably damaging Het
Lefty1 T C 1: 180,765,389 (GRCm39) V319A probably benign Het
Lonp1 T C 17: 56,922,068 (GRCm39) T771A possibly damaging Het
Lpcat2b A T 5: 107,581,716 (GRCm39) K348N possibly damaging Het
Lsamp T C 16: 41,709,430 (GRCm39) V103A probably damaging Het
Ltbp4 A T 7: 27,026,195 (GRCm39) C538S probably damaging Het
Micu1 T C 10: 59,604,035 (GRCm39) S174P probably damaging Het
Mta1 A G 12: 113,099,926 (GRCm39) N607S probably damaging Het
Muc5b C T 7: 141,416,891 (GRCm39) S3279L probably benign Het
Naalad2 T C 9: 18,289,995 (GRCm39) E211G probably damaging Het
Nup155 T A 15: 8,165,311 (GRCm39) M649K probably benign Het
Pan2 T C 10: 128,156,282 (GRCm39) V1171A probably damaging Het
Pisd A G 5: 32,896,209 (GRCm39) V372A probably damaging Het
Prim1 T A 10: 127,859,668 (GRCm39) C288S probably benign Het
Rab23 T A 1: 33,763,019 (GRCm39) C30S probably damaging Het
Sacs A G 14: 61,440,344 (GRCm39) T797A probably benign Het
Sall3 T C 18: 81,015,108 (GRCm39) D940G probably benign Het
Scn1a T C 2: 66,161,615 (GRCm39) E311G probably benign Het
Sdk1 T A 5: 142,129,573 (GRCm39) I1598N probably damaging Het
Slc22a17 A T 14: 55,145,957 (GRCm39) probably null Het
Slc36a4 T A 9: 15,645,506 (GRCm39) V311D probably damaging Het
Sprr3 T A 3: 92,364,253 (GRCm39) Q197L possibly damaging Het
Stab2 A C 10: 86,732,360 (GRCm39) probably null Het
Stk4 C T 2: 163,942,448 (GRCm39) T360M probably benign Het
Tas2r123 T A 6: 132,824,295 (GRCm39) V64D probably damaging Het
Trhde T G 10: 114,424,336 (GRCm39) N483T possibly damaging Het
Trp53 C T 11: 69,479,323 (GRCm39) T167M probably damaging Het
Tspan8 A G 10: 115,680,035 (GRCm39) I217V probably benign Het
Tut4 T C 4: 108,336,720 (GRCm39) L148P probably benign Het
Usp17la A G 7: 104,509,527 (GRCm39) E44G possibly damaging Het
Usp40 T G 1: 87,906,258 (GRCm39) Q659P probably benign Het
Vmn1r4 T C 6: 56,933,723 (GRCm39) C76R probably damaging Het
Vmn2r118 C T 17: 55,899,925 (GRCm39) G660R probably damaging Het
Zfp786 T A 6: 47,796,691 (GRCm39) H749L probably 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
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
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'- GCCAGGTCAATTCCTAACGG -3'
(R):5'- ACTATATCAGCAGGGGTGTGAGTG -3'

Sequencing Primer
(F):5'- TCGAAGAGATTAACGCACTTCC -3'
(R):5'- CAGGGGTGTGAGTGCTAGC -3'
Posted On 2014-08-25