Incidental Mutation 'BB004:Lig4'
ID 642278
Institutional Source Beutler Lab
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 # BB004
Quality Score 225.009
Status Not validated
Chromosome 8
Chromosomal Location 10020020-10027680 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 10023629 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Glutamine at position 50 (H50Q)
Ref Sequence ENSEMBL: ENSMUSP00000093130 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000048216] [ENSMUST00000095476] [ENSMUST00000139793] [ENSMUST00000170033]
AlphaFold Q8BTF7
Predicted Effect probably benign
Transcript: ENSMUST00000048216
SMART Domains Protein: ENSMUSP00000036730
Gene: ENSMUSG00000040396

DomainStartEndE-ValueType
transmembrane domain 15 37 N/A INTRINSIC
transmembrane domain 39 58 N/A INTRINSIC
Pfam:Abhydrolase_5 116 299 5.6e-24 PFAM
Pfam:Abhydrolase_3 117 279 1.7e-6 PFAM
Pfam:Abhydrolase_6 117 310 4.9e-15 PFAM
Pfam:Abhydrolase_1 143 245 1.8e-8 PFAM
Pfam:AXE1 163 229 3.7e-8 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000095476
AA Change: H50Q

PolyPhen 2 Score 0.921 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000093130
Gene: ENSMUSG00000049717
AA Change: H50Q

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: ENSMUST00000139793
SMART Domains Protein: ENSMUSP00000116130
Gene: ENSMUSG00000040396

DomainStartEndE-ValueType
transmembrane domain 15 37 N/A INTRINSIC
transmembrane domain 39 58 N/A INTRINSIC
Pfam:Hydrolase_4 111 250 2.5e-11 PFAM
Pfam:Abhydrolase_1 115 237 3.2e-11 PFAM
Pfam:Abhydrolase_5 116 299 6.3e-24 PFAM
Pfam:Abhydrolase_6 117 241 2.9e-8 PFAM
Pfam:AXE1 162 229 9.1e-8 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000170033
AA Change: H50Q

PolyPhen 2 Score 0.921 (Sensitivity: 0.81; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000130807
Gene: ENSMUSG00000049717
AA Change: H50Q

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 0.5832 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 98.9%
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4921539E11Rik A G 4: 103,123,539 (GRCm39) M111T probably benign Het
Adprhl1 C T 8: 13,298,682 (GRCm39) V83I probably damaging Het
Agrn C T 4: 156,257,266 (GRCm39) G1188D probably damaging Het
Amz2 A G 11: 109,319,884 (GRCm39) K90R probably damaging Het
Arhgef4 G T 1: 34,846,334 (GRCm39) Q227H probably damaging Het
B4galt3 T A 1: 171,099,342 (GRCm39) C10* probably null Het
Banf2 T A 2: 143,915,718 (GRCm39) M53K probably benign Het
BC034090 A T 1: 155,117,371 (GRCm39) L249* probably null Het
Cftr A G 6: 18,267,970 (GRCm39) D673G possibly damaging Het
Cntnap2 G T 6: 47,072,621 (GRCm39) C1063F possibly damaging Het
Cstpp1 T A 2: 91,252,250 (GRCm39) D37V probably damaging Het
Dnah3 A G 7: 119,550,494 (GRCm39) I296T probably damaging Het
Dpy19l2 A G 9: 24,607,197 (GRCm39) V88A probably benign Het
Fbln5 T C 12: 101,784,647 (GRCm39) probably benign Het
Fbn1 T C 2: 125,225,656 (GRCm39) D532G possibly damaging Het
Fnta G A 8: 26,494,454 (GRCm39) R258* probably null Het
Gch1 G A 14: 47,393,380 (GRCm39) H201Y probably damaging Het
Grik2 A T 10: 49,116,890 (GRCm39) S624T probably damaging Het
Grm5 T A 7: 87,685,382 (GRCm39) S500T probably benign Het
Hmcn1 T A 1: 150,485,526 (GRCm39) I4359F probably damaging Het
Hrc T A 7: 44,985,477 (GRCm39) H209Q possibly damaging Het
Hsd17b14 T C 7: 45,215,395 (GRCm39) M164T probably damaging Het
Hydin T C 8: 111,307,476 (GRCm39) F3952L possibly damaging Het
Kti12 A C 4: 108,705,443 (GRCm39) E119A probably benign Het
Kti12 G T 4: 108,705,444 (GRCm39) E119D probably benign Het
Lrp6 G T 6: 134,497,513 (GRCm39) R165S probably damaging Het
Muc4 A G 16: 32,592,011 (GRCm39) T958A Het
Myo19 A G 11: 84,791,046 (GRCm39) E419G probably damaging Het
Ndufa5 A G 6: 24,527,291 (GRCm39) V16A possibly damaging Het
Or10a2 T C 7: 106,673,496 (GRCm39) F154L probably benign Het
Phf24 A C 4: 42,934,774 (GRCm39) T137P probably damaging Het
Pkp4 A T 2: 59,142,098 (GRCm39) N467I probably damaging Het
Pramel25 T A 4: 143,519,536 (GRCm39) I99N probably benign Het
Rbm12b2 C T 4: 12,095,417 (GRCm39) R759C possibly damaging Het
Rftn1 G T 17: 50,354,408 (GRCm39) A318D probably damaging Het
Rnf34 T A 5: 122,988,288 (GRCm39) probably benign Het
Scaf8 T A 17: 3,209,495 (GRCm39) S73T unknown Het
Scn4a T A 11: 106,233,209 (GRCm39) E454D probably damaging Het
Serpina1e A G 12: 103,917,450 (GRCm39) V73A probably benign Het
Sh3rf2 A G 18: 42,244,487 (GRCm39) T350A probably benign Het
Slc35a1 A G 4: 34,669,021 (GRCm39) V264A probably damaging Het
Slf2 A G 19: 44,923,740 (GRCm39) K185E probably damaging Het
Spmip8 T A 8: 96,039,786 (GRCm39) S68T probably benign Het
Spsb2 T C 6: 124,786,336 (GRCm39) F23S probably benign Het
Ssx2ip T G 3: 146,138,365 (GRCm39) L404R probably damaging Het
Strn4 T A 7: 16,560,556 (GRCm39) L236Q probably null Het
Tcp10b A G 17: 13,288,579 (GRCm39) T202A probably benign Het
Tdp1 G T 12: 99,878,555 (GRCm39) V448L probably damaging Het
Tecrl T C 5: 83,502,666 (GRCm39) E61G probably damaging Het
Trim50 T C 5: 135,382,465 (GRCm39) F106L probably benign Het
Usp5 G T 6: 124,801,192 (GRCm39) F224L probably benign Het
Vmn2r114 G C 17: 23,510,619 (GRCm39) N620K probably damaging Het
Vmn2r45 C A 7: 8,486,513 (GRCm39) M258I probably benign Het
Zfp574 T A 7: 24,779,572 (GRCm39) V198E probably benign Het
Zmym4 A G 4: 126,799,170 (GRCm39) I722T 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
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
Predicted Primers PCR Primer
(F):5'- TTGAGGAGCTTCTGGGCATC -3'
(R):5'- TGCCACTGCCACTTAAAGTTAC -3'

Sequencing Primer
(F):5'- ATCCTTGCCTTCTCGTGGTAAG -3'
(R):5'- GCTTTATCAGTTCAAACCGGAG -3'
Posted On 2020-08-01