Incidental Mutation 'R5148:Dbt'
ID 395191
Institutional Source Beutler Lab
Gene Symbol Dbt
Ensembl Gene ENSMUSG00000000340
Gene Name dihydrolipoamide branched chain transacylase E2
Synonyms dihydrolipoyllysine-residue (2-methylpropanoyl)transferase, D3Wsu60e, dihydrolipoyl transacylase, BCKAD E2
MMRRC Submission 043262-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5148 (G1)
Quality Score 225
Status Validated
Chromosome 3
Chromosomal Location 116306776-116343630 bp(+) (GRCm39)
Type of Mutation intron
DNA Base Change (assembly) T to C at 116321893 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000143713 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000000349] [ENSMUST00000197201] [ENSMUST00000199614]
AlphaFold P53395
Predicted Effect probably benign
Transcript: ENSMUST00000000349
SMART Domains Protein: ENSMUSP00000000349
Gene: ENSMUSG00000000340

DomainStartEndE-ValueType
Pfam:Biotin_lipoyl 65 138 2.8e-22 PFAM
Pfam:E3_binding 171 206 4.4e-18 PFAM
low complexity region 218 232 N/A INTRINSIC
Pfam:2-oxoacid_dh 248 479 8.5e-83 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000117197
Predicted Effect noncoding transcript
Transcript: ENSMUST00000196376
Predicted Effect probably benign
Transcript: ENSMUST00000197201
Predicted Effect probably benign
Transcript: ENSMUST00000199614
Predicted Effect noncoding transcript
Transcript: ENSMUST00000199796
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.3%
  • 20x: 95.2%
Validation Efficiency 100% (48/48)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The branched-chain alpha-keto acid dehydrogenase complex (BCKD) is an inner-mitochondrial enzyme complex involved in the breakdown of the branched-chain amino acids isoleucine, leucine, and valine. The BCKD complex is thought to be composed of a core of 24 transacylase (E2) subunits, and associated decarboxylase (E1), dehydrogenase (E3), and regulatory subunits. This gene encodes the transacylase (E2) subunit. Mutations in this gene result in maple syrup urine disease, type 2. Alternatively spliced transcript variants have been described, but their biological validity has not been determined. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous mutation of this gene results in postnatal lethality, pallor, respiratory distress, and an increase in branched-chain amino acids in the blood and urine. Homozygotes model Maple Syrup Urine Disease. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ank2 A T 3: 126,819,285 (GRCm39) probably null Het
Atf7 A G 15: 102,455,608 (GRCm39) M252T probably benign Het
Cacna1h C A 17: 25,606,519 (GRCm39) D1027Y probably damaging Het
Cngb1 A G 8: 95,992,611 (GRCm39) V667A probably benign Het
Cntf T C 19: 12,741,368 (GRCm39) E164G probably damaging Het
Egfem1 G A 3: 29,511,972 (GRCm39) probably benign Het
Gm12790 C T 4: 101,825,268 (GRCm39) V49I possibly damaging Het
Gm5444 C T 13: 4,884,314 (GRCm39) noncoding transcript Het
Gpcpd1 A T 2: 132,376,110 (GRCm39) Y574* probably null Het
Gss G T 2: 155,415,029 (GRCm39) N225K possibly damaging Het
Il17rc G T 6: 113,459,958 (GRCm39) A635S probably benign Het
Lhfpl5 T A 17: 28,798,942 (GRCm39) D150E probably damaging Het
Lin9 T A 1: 180,496,763 (GRCm39) L351I probably benign Het
Lrrc40 T G 3: 157,760,206 (GRCm39) probably null Het
Ly6f A G 15: 75,143,646 (GRCm39) T118A probably benign Het
Malrd1 A G 2: 16,147,037 (GRCm39) N1960D unknown Het
Map3k14 T C 11: 103,130,158 (GRCm39) H253R probably benign Het
Morc2a T C 11: 3,639,084 (GRCm39) L1025P probably damaging Het
Nlrc5 G T 8: 95,203,321 (GRCm39) G474W probably damaging Het
Olr1 G T 6: 129,470,572 (GRCm39) D198E probably benign Het
Or5b123 C A 19: 13,596,874 (GRCm39) S116* probably null Het
Or5d14 G A 2: 87,880,737 (GRCm39) T77I probably benign Het
Or8c16 T C 9: 38,130,317 (GRCm39) I66T probably benign Het
Pafah1b1 A T 11: 74,575,278 (GRCm39) S209T probably damaging Het
Phf14 A T 6: 11,961,641 (GRCm39) Y426F possibly damaging Het
Phldb1 A G 9: 44,615,455 (GRCm39) V855A probably benign Het
Pira2 T G 7: 3,847,592 (GRCm39) R32S possibly damaging Het
Pnldc1 T C 17: 13,111,676 (GRCm39) I344V probably benign Het
Prss29 T C 17: 25,539,881 (GRCm39) V93A probably benign Het
Ptpn13 C T 5: 103,640,098 (GRCm39) L186F probably damaging Het
Ralgps1 A C 2: 33,048,999 (GRCm39) C303W probably damaging Het
Sdr42e1 T A 8: 118,390,342 (GRCm39) N100Y probably damaging Het
Serpina11 A T 12: 103,952,503 (GRCm39) L96Q probably damaging Het
Slc12a8 G A 16: 33,445,288 (GRCm39) R448H probably benign Het
Snrpd1 T A 18: 10,626,892 (GRCm39) V53E probably benign Het
Ssbp1 T C 6: 40,454,883 (GRCm39) V114A possibly damaging Het
T A G 17: 8,655,037 (GRCm39) E47G probably damaging Het
Tmem156 T C 5: 65,231,111 (GRCm39) K189R probably benign Het
Trim47 G T 11: 115,998,678 (GRCm39) Q314K possibly damaging Het
Vmn2r3 G T 3: 64,186,247 (GRCm39) P146Q probably damaging Het
Vmn2r6 A C 3: 64,464,015 (GRCm39) V273G probably damaging Het
Wrnip1 G T 13: 32,990,839 (GRCm39) R366L probably damaging Het
Zfp981 A T 4: 146,621,357 (GRCm39) H94L possibly damaging Het
Other mutations in Dbt
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00546:Dbt APN 3 116,332,930 (GRCm39) missense probably benign
IGL00660:Dbt APN 3 116,339,944 (GRCm39) missense probably damaging 1.00
IGL00839:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00840:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00841:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00852:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00861:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00955:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL00956:Dbt APN 3 116,339,763 (GRCm39) missense probably benign 0.21
IGL01475:Dbt APN 3 116,313,908 (GRCm39) missense possibly damaging 0.92
IGL01521:Dbt APN 3 116,327,032 (GRCm39) missense probably benign 0.00
IGL01806:Dbt APN 3 116,326,954 (GRCm39) missense probably damaging 1.00
IGL03288:Dbt APN 3 116,341,847 (GRCm39) makesense probably null
R0025:Dbt UTSW 3 116,328,432 (GRCm39) missense probably benign 0.22
R0066:Dbt UTSW 3 116,337,478 (GRCm39) missense probably benign 0.00
R0066:Dbt UTSW 3 116,337,478 (GRCm39) missense probably benign 0.00
R0190:Dbt UTSW 3 116,332,736 (GRCm39) critical splice acceptor site probably null
R1650:Dbt UTSW 3 116,328,381 (GRCm39) splice site probably null
R1750:Dbt UTSW 3 116,339,943 (GRCm39) missense probably benign 0.18
R2130:Dbt UTSW 3 116,332,773 (GRCm39) missense probably damaging 1.00
R2131:Dbt UTSW 3 116,332,773 (GRCm39) missense probably damaging 1.00
R2133:Dbt UTSW 3 116,332,773 (GRCm39) missense probably damaging 1.00
R2897:Dbt UTSW 3 116,317,061 (GRCm39) missense probably damaging 1.00
R3442:Dbt UTSW 3 116,341,840 (GRCm39) missense probably benign
R4241:Dbt UTSW 3 116,326,945 (GRCm39) missense probably damaging 1.00
R4681:Dbt UTSW 3 116,326,963 (GRCm39) missense probably damaging 1.00
R4724:Dbt UTSW 3 116,326,945 (GRCm39) missense probably damaging 1.00
R4736:Dbt UTSW 3 116,332,781 (GRCm39) missense probably damaging 0.99
R4737:Dbt UTSW 3 116,332,781 (GRCm39) missense probably damaging 0.99
R4738:Dbt UTSW 3 116,332,781 (GRCm39) missense probably damaging 0.99
R4740:Dbt UTSW 3 116,332,781 (GRCm39) missense probably damaging 0.99
R4809:Dbt UTSW 3 116,339,992 (GRCm39) missense probably damaging 1.00
R4823:Dbt UTSW 3 116,317,036 (GRCm39) missense probably damaging 1.00
R4861:Dbt UTSW 3 116,341,727 (GRCm39) missense probably benign 0.00
R4861:Dbt UTSW 3 116,341,727 (GRCm39) missense probably benign 0.00
R5327:Dbt UTSW 3 116,322,220 (GRCm39) intron probably benign
R5700:Dbt UTSW 3 116,313,952 (GRCm39) missense probably damaging 0.97
R5931:Dbt UTSW 3 116,317,074 (GRCm39) missense possibly damaging 0.80
R6463:Dbt UTSW 3 116,333,409 (GRCm39) missense possibly damaging 0.51
R7841:Dbt UTSW 3 116,339,746 (GRCm39) missense possibly damaging 0.85
R8122:Dbt UTSW 3 116,313,891 (GRCm39) nonsense probably null
R8385:Dbt UTSW 3 116,317,039 (GRCm39) missense probably damaging 1.00
R8941:Dbt UTSW 3 116,339,698 (GRCm39) missense probably damaging 0.99
R9734:Dbt UTSW 3 116,339,704 (GRCm39) missense probably benign
RF008:Dbt UTSW 3 116,341,717 (GRCm39) nonsense probably null
RF016:Dbt UTSW 3 116,333,363 (GRCm39) missense probably damaging 1.00
Z1177:Dbt UTSW 3 116,339,740 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GTCTGATAGGGGAGCAACTG -3'
(R):5'- GCCCATATCAAGGTGGTGTATTC -3'

Sequencing Primer
(F):5'- TCTGATAGGGGAGCAACTGGATAAG -3'
(R):5'- ATCAAGGTGGTGTATTCTTTTTGAC -3'
Posted On 2016-06-21