Incidental Mutation 'R0004:Helb'
ID 32404
Institutional Source Beutler Lab
Gene Symbol Helb
Ensembl Gene ENSMUSG00000020228
Gene Name helicase (DNA) B
Synonyms D10Ertd664e
MMRRC Submission 038300-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.274) question?
Stock # R0004 (G1)
Quality Score 206
Status Validated (trace)
Chromosome 10
Chromosomal Location 119919513-119948892 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 119944886 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Asparagine at position 217 (H217N)
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: H217N

PolyPhen 2 Score 0.499 (Sensitivity: 0.88; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000020449
Gene: ENSMUSG00000020228
AA Change: H217N

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: H217N

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000116954
Gene: ENSMUSG00000020228
AA Change: H217N

DomainStartEndE-ValueType
low complexity region 20 43 N/A INTRINSIC
Pfam:AAA_30 434 546 1.2e-8 PFAM
Meta Mutation Damage Score 0.1555 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 95.1%
Validation Efficiency 98% (63/64)
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: 63 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adal T C 2: 120,982,966 (GRCm39) I86T probably damaging Het
Aff3 T C 1: 38,308,807 (GRCm39) D376G possibly damaging Het
Akap11 A T 14: 78,752,380 (GRCm39) H164Q possibly damaging Het
Akap12 A T 10: 4,303,220 (GRCm39) D10V probably damaging Het
Arhgap32 T C 9: 32,063,294 (GRCm39) V101A probably damaging Het
Atm A T 9: 53,364,828 (GRCm39) probably benign Het
Ccdc18 A G 5: 108,309,566 (GRCm39) D387G possibly damaging Het
Ccdc38 A T 10: 93,409,964 (GRCm39) Q261L probably damaging Het
Cd180 T G 13: 102,839,216 (GRCm39) V33G probably benign Het
Cd207 G A 6: 83,651,230 (GRCm39) Q242* probably null Het
Cnp T C 11: 100,467,633 (GRCm39) F192S probably damaging Het
Colec10 G T 15: 54,274,271 (GRCm39) R33L possibly damaging Het
Csn1s1 A T 5: 87,819,390 (GRCm39) M16L probably benign Het
Dnah10 A T 5: 124,803,966 (GRCm39) M98L probably benign Het
Dnah17 T C 11: 117,950,918 (GRCm39) I2902V possibly damaging Het
Dtnb A G 12: 3,646,635 (GRCm39) probably benign Het
Epha5 T C 5: 84,479,701 (GRCm39) Y101C probably damaging Het
Ephb2 T A 4: 136,384,835 (GRCm39) M860L probably damaging Het
Fbxw18 T C 9: 109,530,381 (GRCm39) T77A probably damaging Het
Fgfbp3 A G 19: 36,896,082 (GRCm39) S179P possibly damaging Het
Foxp2 A G 6: 15,197,095 (GRCm39) T45A possibly damaging Het
Gckr A T 5: 31,454,933 (GRCm39) probably benign Het
Glce T A 9: 61,975,861 (GRCm39) Q213L probably damaging Het
Gm1965 A C 6: 89,123,469 (GRCm39) H84P unknown Het
Hbegf A G 18: 36,640,559 (GRCm39) V166A probably damaging Het
Ino80 G A 2: 119,213,441 (GRCm39) R1249C probably damaging Het
Kansl2 A G 15: 98,418,257 (GRCm39) L392P probably damaging Het
Klra1 A T 6: 130,349,836 (GRCm39) Y201N probably damaging Het
Klra3 A G 6: 130,300,650 (GRCm39) S240P probably damaging Het
Liph T A 16: 21,802,944 (GRCm39) R42* probably null Het
Lrp1 A T 10: 127,377,694 (GRCm39) probably null Het
Luc7l2 A T 6: 38,566,169 (GRCm39) K52M probably damaging Het
Mecom G A 3: 30,034,060 (GRCm39) P215S probably damaging Het
Myo1g T A 11: 6,465,901 (GRCm39) T395S probably damaging Het
Ndst4 T A 3: 125,364,475 (GRCm39) M384K probably benign Het
Ndufb2 C T 6: 39,573,438 (GRCm39) T51I possibly damaging Het
Nell1 C A 7: 50,210,507 (GRCm39) probably benign Het
Or51k1 A T 7: 103,661,638 (GRCm39) N90K probably benign Het
Oxr1 G A 15: 41,683,936 (GRCm39) S434N possibly damaging Het
Pcdhac2 T A 18: 37,278,290 (GRCm39) S423R probably benign Het
Pcdhb10 T A 18: 37,545,012 (GRCm39) D29E probably benign Het
Pde10a A G 17: 9,200,408 (GRCm39) T1053A probably benign Het
Pkdrej T A 15: 85,702,384 (GRCm39) H1184L probably damaging Het
Prkaa2 C T 4: 104,904,288 (GRCm39) R263Q probably null Het
Prmt9 A G 8: 78,282,411 (GRCm39) I103V possibly damaging Het
Rbm15b T C 9: 106,762,135 (GRCm39) T678A probably benign Het
Ryr2 T C 13: 11,680,805 (GRCm39) Y3180C probably benign Het
Scaf1 T C 7: 44,657,094 (GRCm39) probably benign Het
Scn7a T A 2: 66,518,139 (GRCm39) N1024I possibly damaging Het
Sec23b T C 2: 144,406,482 (GRCm39) probably benign Het
Sf1 C A 19: 6,424,221 (GRCm39) P417Q probably damaging Het
Slc4a3 A T 1: 75,533,653 (GRCm39) probably benign Het
Stk32a T C 18: 43,438,121 (GRCm39) W207R probably damaging Het
Syne1 A T 10: 5,393,132 (GRCm39) probably benign Het
Tecta A T 9: 42,256,774 (GRCm39) V1634E possibly damaging Het
Tenm2 A G 11: 35,914,184 (GRCm39) F2450S probably damaging Het
Tgfb1 T C 7: 25,391,791 (GRCm39) probably benign Het
Tpgs2 A G 18: 25,291,295 (GRCm39) probably benign Het
Washc5 A G 15: 59,239,316 (GRCm39) M149T probably damaging Het
Wrn A T 8: 33,807,588 (GRCm39) V290D probably damaging Het
Zbtb41 A G 1: 139,370,626 (GRCm39) T688A possibly damaging Het
Zfp560 C T 9: 20,259,263 (GRCm39) C533Y probably damaging Het
Zfp791 G A 8: 85,837,495 (GRCm39) A123V 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
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
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'- AGAGGACGCTTGCACCACAC -3'

Sequencing Primer
(F):5'- CATGGAAGGAAATTCAAATATTGCC -3'
(R):5'- TCAAAAGGGCCGTAGTTCC -3'
Posted On 2013-05-09