Incidental Mutation 'R1368:Lig4'
ID 155880
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 039433-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1368 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 10020020-10027680 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 10021176 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 868 (D868G)
Ref Sequence ENSEMBL: ENSMUSP00000130807 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000095476] [ENSMUST00000170033]
AlphaFold Q8BTF7
Predicted Effect possibly damaging
Transcript: ENSMUST00000095476
AA Change: D868G

PolyPhen 2 Score 0.891 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000093130
Gene: ENSMUSG00000049717
AA Change: D868G

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 possibly damaging
Transcript: ENSMUST00000170033
AA Change: D868G

PolyPhen 2 Score 0.891 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000130807
Gene: ENSMUSG00000049717
AA Change: D868G

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
Meta Mutation Damage Score 0.1420 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 95.1%
Validation Efficiency 98% (55/56)
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 A G 11: 9,241,836 (GRCm39) D1233G probably benign Het
Abcc8 G A 7: 45,772,284 (GRCm39) R832W probably damaging Het
Atp10b A G 11: 43,092,981 (GRCm39) T439A probably damaging Het
Brd10 C A 19: 29,693,796 (GRCm39) S1966I probably damaging Het
C130073F10Rik T A 4: 101,747,953 (GRCm39) N74Y possibly damaging Het
Cct8 G A 16: 87,288,200 (GRCm39) S124L probably damaging Het
Cdh9 T A 15: 16,848,568 (GRCm39) probably benign Het
Cep290 C T 10: 100,330,828 (GRCm39) probably benign Het
Chrng T A 1: 87,133,575 (GRCm39) L10H probably damaging Het
Cnn3 T C 3: 121,250,786 (GRCm39) L189S probably benign Het
Cog4 A G 8: 111,585,157 (GRCm39) probably benign Het
Cxcl12 A G 6: 117,153,111 (GRCm39) probably benign Het
Eif2b2 G A 12: 85,270,230 (GRCm39) A257T probably damaging Het
Entrep2 A T 7: 64,469,625 (GRCm39) V41E probably damaging Het
Fanca G A 8: 124,031,020 (GRCm39) probably benign Het
Fcgbpl1 A G 7: 27,858,903 (GRCm39) Q2341R possibly damaging Het
Fktn G A 4: 53,734,880 (GRCm39) G173R probably damaging Het
Gabbr2 T C 4: 46,674,464 (GRCm39) N841S probably benign Het
Gm5622 T A 14: 51,899,647 (GRCm39) V167E possibly damaging Het
Gnaq T C 19: 16,355,651 (GRCm39) V289A probably benign Het
Gpatch2l T G 12: 86,307,439 (GRCm39) D272E possibly damaging Het
Gzmg G A 14: 56,395,263 (GRCm39) T74I probably benign Het
Ikzf2 G A 1: 69,578,474 (GRCm39) A271V possibly damaging Het
Mfsd6 T C 1: 52,747,764 (GRCm39) E367G possibly damaging Het
Mpz T C 1: 170,987,533 (GRCm39) L223P probably damaging Het
Muc17 T C 5: 137,175,674 (GRCm39) probably benign Het
Or2f1b C A 6: 42,739,613 (GRCm39) T209K possibly damaging Het
Pdcd2 G T 17: 15,746,846 (GRCm39) N104K probably damaging Het
Pigg G T 5: 108,465,154 (GRCm39) G129V probably damaging Het
Ppp3cc T C 14: 70,483,311 (GRCm39) Y254C probably damaging Het
Prl3b1 G A 13: 27,427,848 (GRCm39) A53T probably benign Het
Psg23 A G 7: 18,348,645 (GRCm39) V54A probably benign Het
Psmd3 A G 11: 98,573,746 (GRCm39) D64G probably damaging Het
Psmg2 CTTCAGTT CTTCAGTTCAGTT 18: 67,779,095 (GRCm39) probably null Het
Ptgdr T A 14: 45,090,799 (GRCm39) I320F probably damaging Het
Rad50 T A 11: 53,574,072 (GRCm39) K722* probably null Het
Rasl10b G A 11: 83,308,665 (GRCm39) probably null Het
Rgs9 G A 11: 109,138,977 (GRCm39) S255L probably benign Het
Ror1 C T 4: 100,298,334 (GRCm39) P569L possibly damaging Het
Rsad2 T C 12: 26,497,147 (GRCm39) probably null Het
Scn8a A G 15: 100,933,422 (GRCm39) D1501G probably damaging Het
Sema3c A G 5: 17,883,330 (GRCm39) T313A possibly damaging Het
Serpinc1 T A 1: 160,821,094 (GRCm39) F59L probably damaging Het
Sike1 A G 3: 102,903,500 (GRCm39) D63G possibly damaging Het
Slc25a11 T A 11: 70,536,352 (GRCm39) probably null Het
Slc32a1 A G 2: 158,453,240 (GRCm39) M27V probably benign Het
Smc5 A G 19: 23,187,807 (GRCm39) V1003A probably damaging Het
Tll2 G A 19: 41,108,667 (GRCm39) R328C probably damaging Het
Topaz1 A G 9: 122,577,315 (GRCm39) E75G possibly damaging Het
Tspan3 A T 9: 56,054,783 (GRCm39) V48E probably benign Het
Ugt1a6b T C 1: 88,035,358 (GRCm39) I232T probably benign Het
Unc79 A G 12: 103,122,772 (GRCm39) K2290E probably damaging Het
Vmn1r19 T C 6: 57,381,656 (GRCm39) F70L probably benign 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
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
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'- GGGCCAGCAAGCTCTAAAGCAA -3'
(R):5'- TAAACCCAGTGAGCAGCAGACTCCT -3'

Sequencing Primer
(F):5'- AAGCAAATACTGGTTTTCCTCCTG -3'
(R):5'- CTGAAGAAATGGCCCCTGTG -3'
Posted On 2014-02-11