Incidental Mutation 'R2243:Lig4'
ID 240731
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 040243-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2243 (G1)
Quality Score 225
Status Validated
Chromosome 8
Chromosomal Location 10020020-10027680 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 10022161 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Cysteine to Arginine at position 540 (C540R)
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: C540R

PolyPhen 2 Score 0.814 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000093130
Gene: ENSMUSG00000049717
AA Change: C540R

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: C540R

PolyPhen 2 Score 0.814 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000130807
Gene: ENSMUSG00000049717
AA Change: C540R

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 0.1863 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.1%
  • 20x: 94.5%
Validation Efficiency 100% (40/40)
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: 36 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl4fm5 G A 4: 144,503,991 (GRCm39) R387C probably benign Het
Agbl1 A T 7: 76,068,470 (GRCm39) E93D possibly damaging Het
Akap10 C A 11: 61,806,327 (GRCm39) V134F possibly damaging Het
Bnc1 T C 7: 81,623,821 (GRCm39) I469V possibly damaging Het
Bod1l T A 5: 41,978,888 (GRCm39) I809L possibly damaging Het
Dicer1 T A 12: 104,696,447 (GRCm39) E118V probably damaging Het
Dmbt1 T C 7: 130,648,292 (GRCm39) F274S probably benign Het
Dnaaf2 T G 12: 69,243,418 (GRCm39) T548P possibly damaging Het
Dysf G A 6: 84,163,491 (GRCm39) probably null Het
Fchsd2 A G 7: 100,883,092 (GRCm39) N240S probably benign Het
Foxb1 T C 9: 69,667,146 (GRCm39) Y128C probably damaging Het
Fxr2 A T 11: 69,532,896 (GRCm39) K158M possibly damaging Het
Golga4 C A 9: 118,385,972 (GRCm39) D1031E probably benign Het
Hbb-bs T C 7: 103,477,018 (GRCm39) D22G possibly damaging Het
Hivep2 C A 10: 14,004,713 (GRCm39) T437K probably benign Het
Hnrnpul2 T A 19: 8,798,001 (GRCm39) M119K probably benign Het
Kif18a C A 2: 109,128,452 (GRCm39) H369Q probably damaging Het
Klhdc10 A G 6: 30,449,558 (GRCm39) T207A probably damaging Het
Lilrb4b A T 10: 51,357,704 (GRCm39) N133Y possibly damaging Het
Lrrc31 T A 3: 30,739,179 (GRCm39) probably benign Het
Mslnl G A 17: 25,961,908 (GRCm39) V128M probably damaging Het
Myof C T 19: 37,889,767 (GRCm39) R2009H probably damaging Het
Nlrp2 C T 7: 5,338,597 (GRCm39) V99I probably benign Het
Or2w3b G A 11: 58,623,271 (GRCm39) T240M probably damaging Het
Pcnx1 T C 12: 81,965,479 (GRCm39) S549P probably damaging Het
Pkhd1l1 T C 15: 44,410,323 (GRCm39) F2610S probably damaging Het
S100a14 A G 3: 90,435,114 (GRCm39) T42A possibly damaging Het
Serpina6 T A 12: 103,613,187 (GRCm39) Y371F probably benign Het
Slc43a3 T C 2: 84,778,782 (GRCm39) probably benign Het
Taldo1 C A 7: 140,972,217 (GRCm39) T28K probably damaging Het
Tatdn3 T C 1: 190,785,097 (GRCm39) Y184C probably damaging Het
Tep1 G C 14: 51,091,667 (GRCm39) R625G probably benign Het
Timm44 A T 8: 4,317,871 (GRCm39) I179N possibly damaging Het
Uimc1 A T 13: 55,198,552 (GRCm39) probably null Het
Vmn1r68 A T 7: 10,262,089 (GRCm39) V3E probably damaging Het
Zer1 A T 2: 29,991,139 (GRCm39) F683L 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
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
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'- AAGCTTCCCAGATGCTTTCC -3'
(R):5'- TCACGAGGTGGCATGATGTC -3'

Sequencing Primer
(F):5'- TGCTCCAAGTCACCCAGTG -3'
(R):5'- CATGATGTCTCACTTTTTGTGTGCAG -3'
Posted On 2014-10-15