Incidental Mutation 'R1423:Helb'
ID 161174
Institutional Source Beutler Lab
Gene Symbol Helb
Ensembl Gene ENSMUSG00000020228
Gene Name helicase (DNA) B
Synonyms D10Ertd664e
MMRRC Submission 039479-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.274) question?
Stock # R1423 (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 119944871 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 222 (I222F)
Ref Sequence ENSEMBL: ENSMUSP00000116954 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020449] [ENSMUST00000154501]
AlphaFold Q6NVF4
Predicted Effect possibly damaging
Transcript: ENSMUST00000020449
AA Change: I222F

PolyPhen 2 Score 0.749 (Sensitivity: 0.85; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000020449
Gene: ENSMUSG00000020228
AA Change: I222F

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: I222F

PolyPhen 2 Score 0.985 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000116954
Gene: ENSMUSG00000020228
AA Change: I222F

DomainStartEndE-ValueType
low complexity region 20 43 N/A INTRINSIC
Pfam:AAA_30 434 546 1.2e-8 PFAM
Meta Mutation Damage Score 0.6467 question?
Coding Region Coverage
  • 1x: 98.9%
  • 3x: 97.9%
  • 10x: 95.0%
  • 20x: 88.8%
Validation Efficiency 100% (48/48)
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: 46 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ankrd13d A G 19: 4,331,097 (GRCm39) S64P probably damaging Het
Armh4 T C 14: 49,988,896 (GRCm39) E691G probably damaging Het
Bag4 T C 8: 26,258,302 (GRCm39) S342G probably damaging Het
Bbs1 G A 19: 4,944,291 (GRCm39) T446I probably benign Het
Bmyc A G 2: 25,597,236 (GRCm39) D100G probably damaging Het
Btbd7 T C 12: 102,751,734 (GRCm39) D1010G possibly damaging Het
Celsr3 A T 9: 108,704,104 (GRCm39) T196S probably benign Het
Crtam C A 9: 40,884,918 (GRCm39) R161L probably benign Het
Cyp11b2 C A 15: 74,724,979 (GRCm39) G290V probably damaging Het
Edc4 C T 8: 106,617,843 (GRCm39) probably benign Het
Exd1 A T 2: 119,370,494 (GRCm39) probably benign Het
Fam120a G T 13: 49,039,219 (GRCm39) A979E possibly damaging Het
Fbxo16 T C 14: 65,524,623 (GRCm39) probably benign Het
Fbxo44 C G 4: 148,240,726 (GRCm39) R220S probably damaging Het
Gabrb2 A G 11: 42,420,298 (GRCm39) N173S probably damaging Het
Gm13741 A T 2: 87,486,674 (GRCm39) I197K possibly damaging Het
Hesx1 A T 14: 26,723,876 (GRCm39) Q153L probably null Het
Isca1 T C 13: 59,910,593 (GRCm39) N33S probably benign Het
Itsn2 T C 12: 4,723,572 (GRCm39) V1142A probably damaging Het
Lama5 T G 2: 179,837,434 (GRCm39) T984P probably damaging Het
Lima1 T A 15: 99,717,626 (GRCm39) K127* probably null Het
Lmbrd1 T A 1: 24,785,959 (GRCm39) V418D probably damaging Het
Mertk T C 2: 128,620,883 (GRCm39) V575A probably damaging Het
Mrps28 T C 3: 8,965,184 (GRCm39) H85R probably benign Het
Mrtfb T C 16: 13,230,105 (GRCm39) V930A possibly damaging Het
Naip2 G A 13: 100,291,386 (GRCm39) T1184M probably benign Het
Naip2 C T 13: 100,298,368 (GRCm39) G556D probably benign Het
Naip2 TCCC TCC 13: 100,291,355 (GRCm39) probably benign Het
Naip2 G A 13: 100,291,380 (GRCm39) S1186F possibly damaging Het
Nhlrc3 A T 3: 53,369,836 (GRCm39) L45H probably damaging Het
Or52e5 T G 7: 104,719,226 (GRCm39) M184R probably damaging Het
Or52u1 C T 7: 104,237,682 (GRCm39) R224* probably null Het
Or8s16 T C 15: 98,211,324 (GRCm39) T36A probably damaging Het
Parp14 G A 16: 35,677,130 (GRCm39) A946V probably benign Het
Pcdhb15 A T 18: 37,606,975 (GRCm39) D69V probably damaging Het
Pitpnm1 G A 19: 4,162,392 (GRCm39) R1074H probably damaging Het
Plb1 A G 5: 32,450,601 (GRCm39) N381D probably benign Het
Poc1b T C 10: 98,988,725 (GRCm39) S247P probably damaging Het
Prl7b1 T A 13: 27,786,110 (GRCm39) N186I probably damaging Het
Riok1 T C 13: 38,233,090 (GRCm39) M241T probably damaging Het
Tigit T C 16: 43,469,395 (GRCm39) E232G probably benign Het
Tpst2 T A 5: 112,455,488 (GRCm39) L9Q probably benign Het
Ttbk1 T C 17: 46,757,080 (GRCm39) probably benign Het
Vmn1r3 A T 4: 3,185,231 (GRCm39) N25K probably damaging Het
Vmn2r121 T A X: 123,039,602 (GRCm39) H522L possibly damaging Het
Vmn2r15 T C 5: 109,441,093 (GRCm39) Y255C 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
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
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'- CTGTCTATCTGTAACACGCAGTACATCC -3'
(R):5'- GCTGTTCATAACAAAGGAAGCAGTGACC -3'

Sequencing Primer
(F):5'- GCCAGATTTGAAGAACTCTGC -3'
(R):5'- GCAGTGACCTTGCTAGAAATTG -3'
Posted On 2014-03-14