Incidental Mutation 'R6312:Lig4'
ID 509821
Institutional Source Beutler Lab
Gene Symbol Lig4
Ensembl Gene ENSMUSG00000049717
Gene Name ligase IV, DNA, ATP-dependent
Synonyms DNA ligase IV, tiny, 5830471N16Rik
MMRRC Submission 044415-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6312 (G1)
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 10020020-10027680 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 10021739 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Lysine at position 680 (N680K)
Ref Sequence ENSEMBL: ENSMUSP00000130807 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000095476] [ENSMUST00000170033]
AlphaFold Q8BTF7
Predicted Effect probably benign
Transcript: ENSMUST00000095476
AA Change: N680K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000093130
Gene: ENSMUSG00000049717
AA Change: N680K

DomainStartEndE-ValueType
Pfam:DNA_ligase_A_N 14 209 1.3e-43 PFAM
Pfam:DNA_ligase_A_M 248 451 2e-50 PFAM
Pfam:DNA_ligase_A_C 476 588 3.3e-16 PFAM
BRCT 656 733 2.8e-14 SMART
Pfam:DNA_ligase_IV 749 784 7.3e-21 PFAM
BRCT 816 901 1.6e-5 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000170033
AA Change: N680K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000130807
Gene: ENSMUSG00000049717
AA Change: N680K

DomainStartEndE-ValueType
Pfam:DNA_ligase_A_N 15 208 8.8e-39 PFAM
Pfam:DNA_ligase_A_M 248 451 2.3e-52 PFAM
Pfam:DNA_ligase_A_C 476 588 4.8e-18 PFAM
BRCT 656 733 2.9e-14 SMART
Pfam:DNA_ligase_IV 750 783 5.5e-17 PFAM
BRCT 816 901 1.6e-5 SMART
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 98.1%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a DNA ligase that joins single-strand breaks in a double-stranded polydeoxynucleotide in an ATP-dependent reaction. This protein is essential for V(D)J recombination and DNA double-strand break (DSB) repair through nonhomologous end joining (NHEJ). This protein forms a complex with the X-ray repair cross complementing protein 4 (XRCC4), and further interacts with the DNA-dependent protein kinase (DNA-PK). Both XRCC4 and DNA-PK are known to be required for NHEJ. The crystal structure of the complex formed by this protein and XRCC4 has been resolved. Defects in this gene are the cause of LIG4 syndrome. Alternatively spliced transcript variants encoding the same protein have been observed. [provided by RefSeq, Jul 2008]
PHENOTYPE: Null homozygotes die late in gestation with extensive CNS apoptosis, blocked lymphopoeiesis and failure of V(D)J joining. Carrier fibroblasts show elevated chromosome breaks. ~40% of homozygous hypomorphs survive, with retarded growth, reduced PBL and progressive loss of hematopoietic stem cells. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930447C04Rik A G 12: 72,936,541 (GRCm39) S472P possibly damaging Het
Aadacl4fm1 A T 4: 144,255,072 (GRCm39) H164L probably benign Het
Abraxas2 G A 7: 132,476,694 (GRCm39) A145T probably damaging Het
AC153874.1 T A 10: 77,682,961 (GRCm39) probably benign Het
Acadvl T A 11: 69,902,593 (GRCm39) M375L probably damaging Het
Ankdd1a C T 9: 65,415,343 (GRCm39) A227T possibly damaging Het
Arl4d T C 11: 101,558,079 (GRCm39) *202R probably null Het
B3gat2 G T 1: 23,854,548 (GRCm39) E83* probably null Het
Bmper C A 9: 23,318,087 (GRCm39) Q569K possibly damaging Het
C2cd4d C A 3: 94,271,742 (GRCm39) P336H probably damaging Het
Cct2 A T 10: 116,891,960 (GRCm39) S363T probably benign Het
Cers5 A G 15: 99,644,996 (GRCm39) V119A probably benign Het
Cfhr2 C T 1: 139,758,817 (GRCm39) V78I possibly damaging Het
Crocc2 A T 1: 93,143,432 (GRCm39) K1345* probably null Het
Cyp4f39 T C 17: 32,702,268 (GRCm39) M255T probably benign Het
Dpp6 A T 5: 27,930,669 (GRCm39) I834F possibly damaging Het
Dpy19l4 T A 4: 11,289,671 (GRCm39) K205* probably null Het
Epg5 T A 18: 78,022,426 (GRCm39) D1056E possibly damaging Het
Fam20a A C 11: 109,565,456 (GRCm39) C452G probably damaging Het
Gnai2 A T 9: 107,512,316 (GRCm39) V34E probably damaging Het
Gng3 A G 19: 8,815,997 (GRCm39) V7A probably benign Het
Hdc A G 2: 126,449,326 (GRCm39) V77A possibly damaging Het
Hint1 G A 11: 54,760,816 (GRCm39) C85Y probably benign Het
Kif17 C T 4: 138,015,504 (GRCm39) S551L probably benign Het
Lgr5 A G 10: 115,288,829 (GRCm39) L581P probably damaging Het
Lipi T A 16: 75,370,803 (GRCm39) Y138F probably damaging Het
Lrp2 C T 2: 69,267,025 (GRCm39) G4294E probably damaging Het
Lrrc7 A G 3: 157,866,246 (GRCm39) M1165T probably benign Het
Mtpap T C 18: 4,396,175 (GRCm39) I489T possibly damaging Het
Nlrp1b T A 11: 71,119,223 (GRCm39) N24I probably benign Het
Nlrp4a A G 7: 26,148,821 (GRCm39) T143A probably benign Het
Nudt2 A G 4: 41,480,386 (GRCm39) T90A probably benign Het
Or1j20 A T 2: 36,760,477 (GRCm39) I300L probably benign Het
Or52n20 T A 7: 104,320,796 (GRCm39) Y296N probably damaging Het
Or8b36 GTTT GTTTGCTGTTTT 9: 37,937,842 (GRCm39) probably null Het
Or8b36 TTT TTTGCTGATT 9: 37,937,843 (GRCm39) probably null Het
Or8b36 T TGCTGTTC 9: 37,937,845 (GRCm39) probably null Het
Or8b36 ATTGCTGTTT ATTGCTGTTTGCTGTTT 9: 37,937,836 (GRCm39) probably null Het
Or8b36 TTGCTGT TTGCTGTCTGCTGT 9: 37,937,837 (GRCm39) probably null Het
Or8k53 A T 2: 86,177,925 (GRCm39) F62I probably damaging Het
Osmr A G 15: 6,853,119 (GRCm39) V592A probably damaging Het
Rbp2 G T 9: 98,372,700 (GRCm39) S13I probably benign Het
Rsf1 A AGGGCGACGG 7: 97,229,111 (GRCm39) probably null Het
Rusf1 T C 7: 127,872,715 (GRCm39) K411R probably benign Het
Slc6a7 A G 18: 61,135,457 (GRCm39) S381P probably benign Het
Slitrk6 A G 14: 110,987,679 (GRCm39) L676P probably benign Het
Sspo T C 6: 48,434,300 (GRCm39) probably null Het
Tectb CT C 19: 55,181,094 (GRCm39) probably null Homo
Tma16 T C 8: 66,934,118 (GRCm39) E79G probably damaging Het
Trim14 G T 4: 46,507,257 (GRCm39) H320N probably damaging Het
Trim63 A G 4: 134,053,008 (GRCm39) D323G probably damaging Het
Vash2 C A 1: 190,690,880 (GRCm39) R309L probably benign Het
Vmn1r62 G A 7: 5,679,083 (GRCm39) V255M possibly damaging Het
Vmn2r53 T A 7: 12,332,566 (GRCm39) probably null Het
Zfp382 G A 7: 29,833,963 (GRCm39) R538H probably damaging Het
Zfp592 T A 7: 80,673,184 (GRCm39) D49E probably benign Het
Zfp60 T C 7: 27,448,201 (GRCm39) C290R probably damaging Het
Zfp69 G A 4: 120,806,714 (GRCm39) probably benign Het
Zfp790 G T 7: 29,527,647 (GRCm39) G111W probably damaging Het
Zfp948 T C 17: 21,807,429 (GRCm39) I207T possibly damaging Het
Other mutations in Lig4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00229:Lig4 APN 8 10,022,775 (GRCm39) missense probably damaging 1.00
IGL00655:Lig4 APN 8 10,023,305 (GRCm39) missense probably benign 0.09
IGL01388:Lig4 APN 8 10,023,586 (GRCm39) missense probably damaging 1.00
IGL01669:Lig4 APN 8 10,023,673 (GRCm39) missense probably benign 0.01
IGL01757:Lig4 APN 8 10,021,185 (GRCm39) missense probably benign 0.10
IGL02115:Lig4 APN 8 10,023,247 (GRCm39) missense possibly damaging 0.58
IGL02167:Lig4 APN 8 10,021,821 (GRCm39) missense probably benign 0.06
IGL02239:Lig4 APN 8 10,022,473 (GRCm39) missense probably damaging 1.00
IGL02576:Lig4 APN 8 10,021,116 (GRCm39) missense probably damaging 1.00
IGL02955:Lig4 APN 8 10,022,103 (GRCm39) missense possibly damaging 0.95
IGL03056:Lig4 APN 8 10,022,580 (GRCm39) missense possibly damaging 0.90
nosegay UTSW 8 10,022,954 (GRCm39) missense probably damaging 1.00
posey UTSW 8 10,022,955 (GRCm39) missense probably damaging 1.00
posey2 UTSW 8 10,021,585 (GRCm39) missense probably benign
BB004:Lig4 UTSW 8 10,023,629 (GRCm39) missense possibly damaging 0.92
BB014:Lig4 UTSW 8 10,023,629 (GRCm39) missense possibly damaging 0.92
R0791:Lig4 UTSW 8 10,023,012 (GRCm39) missense possibly damaging 0.70
R1208:Lig4 UTSW 8 10,021,062 (GRCm39) missense probably damaging 1.00
R1208:Lig4 UTSW 8 10,021,062 (GRCm39) missense probably damaging 1.00
R1368:Lig4 UTSW 8 10,021,176 (GRCm39) missense possibly damaging 0.89
R1522:Lig4 UTSW 8 10,023,012 (GRCm39) missense possibly damaging 0.70
R1566:Lig4 UTSW 8 10,023,650 (GRCm39) missense probably benign 0.41
R1674:Lig4 UTSW 8 10,021,692 (GRCm39) missense probably benign 0.01
R2024:Lig4 UTSW 8 10,022,436 (GRCm39) missense probably damaging 1.00
R2025:Lig4 UTSW 8 10,022,436 (GRCm39) missense probably damaging 1.00
R2026:Lig4 UTSW 8 10,022,436 (GRCm39) missense probably damaging 1.00
R2155:Lig4 UTSW 8 10,022,766 (GRCm39) missense probably benign 0.00
R2243:Lig4 UTSW 8 10,022,161 (GRCm39) missense possibly damaging 0.81
R2917:Lig4 UTSW 8 10,021,596 (GRCm39) missense possibly damaging 0.56
R4763:Lig4 UTSW 8 10,022,955 (GRCm39) missense probably damaging 1.00
R4819:Lig4 UTSW 8 10,021,885 (GRCm39) missense probably benign
R5153:Lig4 UTSW 8 10,023,003 (GRCm39) missense possibly damaging 0.95
R5397:Lig4 UTSW 8 10,022,644 (GRCm39) missense probably benign 0.01
R5618:Lig4 UTSW 8 10,022,021 (GRCm39) missense probably benign
R6102:Lig4 UTSW 8 10,022,872 (GRCm39) missense probably damaging 1.00
R6210:Lig4 UTSW 8 10,021,585 (GRCm39) missense probably benign
R6955:Lig4 UTSW 8 10,023,384 (GRCm39) missense probably damaging 1.00
R6991:Lig4 UTSW 8 10,021,098 (GRCm39) missense probably damaging 0.99
R7207:Lig4 UTSW 8 10,022,101 (GRCm39) nonsense probably null
R7769:Lig4 UTSW 8 10,023,629 (GRCm39) missense possibly damaging 0.92
R7927:Lig4 UTSW 8 10,023,629 (GRCm39) missense possibly damaging 0.92
R8113:Lig4 UTSW 8 10,023,485 (GRCm39) missense probably benign 0.07
R8124:Lig4 UTSW 8 10,022,954 (GRCm39) missense probably damaging 1.00
R8382:Lig4 UTSW 8 10,022,346 (GRCm39) missense probably damaging 1.00
R8443:Lig4 UTSW 8 10,023,777 (GRCm39) start codon destroyed probably null 0.00
R8956:Lig4 UTSW 8 10,021,378 (GRCm39) missense probably benign
R9165:Lig4 UTSW 8 10,022,394 (GRCm39) missense probably damaging 1.00
R9170:Lig4 UTSW 8 10,022,202 (GRCm39) missense probably damaging 1.00
R9356:Lig4 UTSW 8 10,022,538 (GRCm39) missense possibly damaging 0.94
R9535:Lig4 UTSW 8 10,022,325 (GRCm39) missense probably damaging 1.00
R9672:Lig4 UTSW 8 10,023,213 (GRCm39) missense probably damaging 0.98
Predicted Primers PCR Primer
(F):5'- ATAAAGCGAGGTTGCCACGG -3'
(R):5'- TTGCCACGAAACACCTTCATG -3'

Sequencing Primer
(F):5'- GGCACGCATGTTTTTGTCTTAAAAC -3'
(R):5'- CCTTCATGTAGGTGATGATGATGAAC -3'
Posted On 2018-04-02