Incidental Mutation 'R2024:Lig4'
ID 220289
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 040033-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2024 (G1)
Quality Score 225
Status Not validated
Chromosome 8
Chromosomal Location 10020020-10027680 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 10022436 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Glutamine at position 448 (L448Q)
Ref Sequence ENSEMBL: ENSMUSP00000130807 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000095476] [ENSMUST00000170033]
AlphaFold Q8BTF7
Predicted Effect probably damaging
Transcript: ENSMUST00000095476
AA Change: L448Q

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000093130
Gene: ENSMUSG00000049717
AA Change: L448Q

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 damaging
Transcript: ENSMUST00000170033
AA Change: L448Q

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000130807
Gene: ENSMUSG00000049717
AA Change: L448Q

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: 99.1%
  • 3x: 98.3%
  • 10x: 96.1%
  • 20x: 90.8%
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Arid2 A G 15: 96,259,680 (GRCm39) D280G probably damaging Het
Atosa A G 9: 74,917,672 (GRCm39) D757G probably damaging Het
Azi2 C T 9: 117,878,390 (GRCm39) R77* probably null Het
Chd8 T C 14: 52,468,950 (GRCm39) D556G probably benign Het
Cit T C 5: 116,085,983 (GRCm39) M849T probably damaging Het
Cit T C 5: 116,143,899 (GRCm39) S1923P probably damaging Het
Col17a1 T A 19: 47,639,185 (GRCm39) H1120L probably benign Het
Col6a5 G T 9: 105,814,193 (GRCm39) H606Q unknown Het
Dnajc2 A C 5: 21,981,788 (GRCm39) H45Q probably damaging Het
Dpp6 A G 5: 27,914,457 (GRCm39) D514G possibly damaging Het
Dync2h1 A G 9: 7,129,062 (GRCm39) S1818P probably damaging Het
Efemp1 A T 11: 28,864,696 (GRCm39) Y250F possibly damaging Het
Emc1 G A 4: 139,088,257 (GRCm39) E342K possibly damaging Het
Fam3c T C 6: 22,329,592 (GRCm39) D45G probably benign Het
Fchsd2 A C 7: 100,847,740 (GRCm39) D210A possibly damaging Het
Flg T A 3: 93,186,722 (GRCm39) M58K probably damaging Het
Gabra5 G A 7: 57,138,698 (GRCm39) R117C probably damaging Het
Gm6741 G A 17: 91,544,309 (GRCm39) S24N probably benign Het
Grin2a T C 16: 9,462,107 (GRCm39) D675G possibly damaging Het
Hectd4 T G 5: 121,419,981 (GRCm39) V642G possibly damaging Het
Herc6 C T 6: 57,560,317 (GRCm39) T119M probably benign Het
Hjurp GT GTT 1: 88,194,246 (GRCm39) probably null Het
Hmgcs2 T C 3: 98,206,530 (GRCm39) S371P probably damaging Het
Idua C T 5: 108,828,600 (GRCm39) A271V probably damaging Het
Inpp5d T A 1: 87,623,072 (GRCm39) C125* probably null Het
Krt14 C T 11: 100,098,044 (GRCm39) G80R unknown Het
Lama5 T C 2: 179,820,923 (GRCm39) Y3176C probably benign Het
Lce1k C T 3: 92,713,809 (GRCm39) C125Y unknown Het
Macf1 C T 4: 123,265,711 (GRCm39) A4821T probably damaging Het
Meioc C T 11: 102,566,184 (GRCm39) A600V probably benign Het
Mepe T C 5: 104,474,957 (GRCm39) S13P possibly damaging Het
Mms22l A G 4: 24,588,365 (GRCm39) Y999C probably damaging Het
Ncbp3 T A 11: 72,944,346 (GRCm39) M116K possibly damaging Het
Ndufa10 A G 1: 92,367,614 (GRCm39) Y339H probably damaging Het
Nkx3-1 T C 14: 69,428,266 (GRCm39) I38T probably damaging Het
Nup155 A T 15: 8,187,244 (GRCm39) H1391L probably damaging Het
Or4k49 T A 2: 111,495,168 (GRCm39) M199K possibly damaging Het
Padi6 T G 4: 140,456,279 (GRCm39) I572L possibly damaging Het
Pdss2 A T 10: 43,269,871 (GRCm39) N238I possibly damaging Het
Pkd1l2 A G 8: 117,746,272 (GRCm39) V1906A probably benign Het
Pom121 T C 5: 135,410,404 (GRCm39) probably benign Het
Psmd9 T C 5: 123,379,925 (GRCm39) F115L probably damaging Het
Ptch1 T G 13: 63,672,773 (GRCm39) E944A probably benign Het
Rai1 T C 11: 60,076,415 (GRCm39) F160L probably damaging Het
Rhbdl2 A T 4: 123,720,665 (GRCm39) R234S probably damaging Het
Rnase2a T A 14: 51,493,245 (GRCm39) Y40F probably damaging Het
Setd2 T C 9: 110,378,201 (GRCm39) V672A possibly damaging Het
Sgpp2 A G 1: 78,393,857 (GRCm39) I287V probably benign Het
Sh3pxd2a T C 19: 47,255,703 (GRCm39) E1033G probably benign Het
Slc5a9 G A 4: 111,747,728 (GRCm39) T284I probably damaging Het
Slfn9 A G 11: 82,872,507 (GRCm39) L743P probably damaging Het
Smchd1 T A 17: 71,677,923 (GRCm39) N1473I probably benign Het
Stx1b A T 7: 127,414,575 (GRCm39) D16E probably benign Het
Tectb T C 19: 55,170,361 (GRCm39) F71L probably damaging Het
Tmem220 T C 11: 66,924,979 (GRCm39) I138T possibly damaging Het
Tmtc4 T C 14: 123,158,677 (GRCm39) N682S probably benign Het
Tnc A G 4: 63,882,858 (GRCm39) V1921A probably damaging Het
Ubn1 T G 16: 4,882,487 (GRCm39) L316W probably damaging Het
Vwa5a T C 9: 38,647,357 (GRCm39) S579P probably damaging Het
Xdh A G 17: 74,228,300 (GRCm39) L367P possibly damaging Het
Zfp280b T C 10: 75,874,328 (GRCm39) L69S probably damaging Het
Zfp990 A C 4: 145,263,974 (GRCm39) Y324S 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
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
R6312:Lig4 UTSW 8 10,021,739 (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'- GCCAATTTCAAGCCCAGGTC -3'
(R):5'- GATCCTTAGTAGCACTTTCACACC -3'

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