Incidental Mutation 'IGL02955:Lig4'
ID 365082
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Lig4
Ensembl Gene ENSMUSG00000049717
Gene Name ligase IV, DNA, ATP-dependent
Synonyms DNA ligase IV, tiny, 5830471N16Rik
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL02955
Quality Score
Status
Chromosome 8
Chromosomal Location 10020020-10027680 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 10022103 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 559 (I559T)
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: I559T

PolyPhen 2 Score 0.948 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000093130
Gene: ENSMUSG00000049717
AA Change: I559T

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: I559T

PolyPhen 2 Score 0.948 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000130807
Gene: ENSMUSG00000049717
AA Change: I559T

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
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: 39 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abr T A 11: 76,309,991 (GRCm39) H840L probably damaging Het
Anks1 A G 17: 28,273,291 (GRCm39) D970G probably damaging Het
B4galnt4 A G 7: 140,644,591 (GRCm39) K162R probably null Het
Bicd2 T C 13: 49,531,691 (GRCm39) V311A probably benign Het
Cblif T C 19: 11,725,027 (GRCm39) L6P possibly damaging Het
Ccdc162 A G 10: 41,437,123 (GRCm39) L489P probably damaging Het
Cd55 G T 1: 130,377,219 (GRCm39) T38K probably damaging Het
Cep250 C A 2: 155,817,676 (GRCm39) A749E probably benign Het
Cntn3 G T 6: 102,255,262 (GRCm39) T212N probably damaging Het
Cntnap5c T A 17: 58,199,097 (GRCm39) probably benign Het
Dclre1c A G 2: 3,439,089 (GRCm39) E83G probably damaging Het
Dok4 T C 8: 95,592,256 (GRCm39) N244S probably damaging Het
Dync2h1 T C 9: 7,142,864 (GRCm39) T1151A probably benign Het
Fer G A 17: 64,298,712 (GRCm39) probably null Het
Hexb A G 13: 97,317,584 (GRCm39) probably benign Het
Ints5 T C 19: 8,875,014 (GRCm39) L991P probably damaging Het
Itga5 T C 15: 103,259,261 (GRCm39) D722G possibly damaging Het
Jup A G 11: 100,267,565 (GRCm39) I586T probably benign Het
Lig1 G A 7: 13,030,273 (GRCm39) G417R probably damaging Het
Mcm3ap A G 10: 76,343,300 (GRCm39) I1731V probably benign Het
Mfsd13a T G 19: 46,356,192 (GRCm39) V99G possibly damaging Het
Nelfcd A G 2: 174,264,391 (GRCm39) H153R probably damaging Het
Nlrp1b A G 11: 71,060,637 (GRCm39) Y724H possibly damaging Het
Npas3 C A 12: 53,548,048 (GRCm39) N101K probably damaging Het
Nuf2 A G 1: 169,334,807 (GRCm39) probably benign Het
Or10am5 T C 7: 6,517,682 (GRCm39) T249A probably damaging Het
Or11g7 C T 14: 50,691,442 (GRCm39) T311I probably damaging Het
Or5c1 A T 2: 37,222,013 (GRCm39) M85L probably benign Het
Polr3c A G 3: 96,621,628 (GRCm39) Y423H probably damaging Het
Pomgnt2 A G 9: 121,811,956 (GRCm39) L275P probably damaging Het
Ptprj T G 2: 90,298,808 (GRCm39) probably null Het
Pxdn T C 12: 30,053,156 (GRCm39) I931T probably damaging Het
Rad51b C T 12: 79,371,856 (GRCm39) Q190* probably null Het
Rpl10a T C 17: 28,547,967 (GRCm39) I36T probably damaging Het
Tagap1 T C 17: 7,223,781 (GRCm39) H305R probably damaging Het
Tmem154 A G 3: 84,591,508 (GRCm39) probably benign Het
Vil1 A G 1: 74,457,682 (GRCm39) E105G probably benign Het
Wdfy4 C A 14: 32,798,241 (GRCm39) C2055F probably damaging Het
Zfat T C 15: 68,052,963 (GRCm39) N277S probably 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
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
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
Posted On 2015-12-18