Incidental Mutation 'R2414:Cpt1b'
ID 250118
Institutional Source Beutler Lab
Gene Symbol Cpt1b
Ensembl Gene ENSMUSG00000078937
Gene Name carnitine palmitoyltransferase 1b, muscle
Synonyms Cpt1, M-CPTI, M-CPT I
MMRRC Submission 040378-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2414 (G1)
Quality Score 225
Status Validated
Chromosome 15
Chromosomal Location 89300608-89310065 bp(-) (GRCm39)
Type of Mutation splice site
DNA Base Change (assembly) G to A at 89304283 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Gene Model predicted gene model for transcript(s): [ENSMUST00000052315] [ENSMUST00000109313] [ENSMUST00000168376]
AlphaFold Q924X2
Predicted Effect probably benign
Transcript: ENSMUST00000052315
Predicted Effect probably benign
Transcript: ENSMUST00000109313
SMART Domains Protein: ENSMUSP00000104936
Gene: ENSMUSG00000078937

DomainStartEndE-ValueType
Pfam:CPT_N 1 47 2.5e-29 PFAM
Pfam:Carn_acyltransf 173 762 1.3e-183 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000165419
Predicted Effect probably benign
Transcript: ENSMUST00000168376
SMART Domains Protein: ENSMUSP00000129786
Gene: ENSMUSG00000078937

DomainStartEndE-ValueType
PDB:2LE3|A 1 42 1e-21 PDB
Predicted Effect probably benign
Transcript: ENSMUST00000168879
SMART Domains Protein: ENSMUSP00000128188
Gene: ENSMUSG00000078937

DomainStartEndE-ValueType
Pfam:Carn_acyltransf 3 148 3.5e-34 PFAM
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 96.9%
  • 20x: 93.9%
Validation Efficiency 100% (38/38)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene, a member of the carnitine/choline acetyltransferase family, is the rate-controlling enzyme of the long-chain fatty acid beta-oxidation pathway in muscle mitochondria. This enzyme is required for the net transport of long-chain fatty acyl-CoAs from the cytoplasm into the mitochondria. Multiple transcript variants encoding different isoforms have been found for this gene, and read-through transcripts are expressed from the upstream locus that include exons from this gene. [provided by RefSeq, Jun 2009]
PHENOTYPE: Homozygous null mice die in utero prior to E9.5. Heterozygous mutant mice exhibit susceptibility to fatal hypothermia following cold exposure, with females more severely affected. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ackr2 C A 9: 121,738,040 (GRCm39) S138R probably damaging Het
Alpk3 C A 7: 80,742,501 (GRCm39) P773T probably benign Het
Arfgef2 A G 2: 166,687,424 (GRCm39) E216G probably benign Het
Aspscr1 T C 11: 120,580,048 (GRCm39) S196P probably benign Het
AU040320 A T 4: 126,762,484 (GRCm39) probably null Het
BC002059 T C 17: 17,193,932 (GRCm39) noncoding transcript Het
Cep112 A G 11: 108,643,408 (GRCm39) N799S possibly damaging Het
Cilp A G 9: 65,181,927 (GRCm39) probably benign Het
Cpn2 T C 16: 30,079,392 (GRCm39) E103G probably benign Het
Epor T A 9: 21,870,785 (GRCm39) D365V probably damaging Het
H2bc21 T A 3: 96,128,750 (GRCm39) I90N possibly damaging Het
Hip1r T C 5: 124,139,306 (GRCm39) Y900H probably damaging Het
Hoxc9 A T 15: 102,892,540 (GRCm39) N251I probably damaging Het
Hpd C T 5: 123,315,587 (GRCm39) probably null Het
Lrrc34 T A 3: 30,688,711 (GRCm39) I197L probably benign Het
Msi2 A G 11: 88,607,373 (GRCm39) V78A probably damaging Het
Myh4 A G 11: 67,141,594 (GRCm39) I818V probably benign Het
Nol4 T C 18: 22,956,629 (GRCm39) probably null Het
Plekha5 A G 6: 140,496,582 (GRCm39) N362S probably damaging Het
Polr1b A G 2: 128,945,054 (GRCm39) probably benign Het
Rc3h2 A T 2: 37,289,831 (GRCm39) probably null Het
Sgsm3 A G 15: 80,890,946 (GRCm39) N136D probably benign Het
Slco1a5 A G 6: 142,181,976 (GRCm39) C583R probably damaging Het
Surf1 A G 2: 26,806,295 (GRCm39) W13R probably damaging Het
Tesk2 T C 4: 116,658,954 (GRCm39) W276R possibly damaging Het
Tmem8b A G 4: 43,673,892 (GRCm39) probably benign Het
Togaram2 T G 17: 72,023,304 (GRCm39) probably benign Het
Ttll11 A G 2: 35,869,546 (GRCm39) S31P unknown Het
Ttll8 A G 15: 88,820,336 (GRCm39) probably benign Het
Tub A G 7: 108,626,240 (GRCm39) K259E probably damaging Het
Ube2o T C 11: 116,439,683 (GRCm39) I162M probably benign Het
Vamp8 C T 6: 72,365,326 (GRCm39) M1I probably null Het
Zfp503 C A 14: 22,036,032 (GRCm39) G295* probably null Het
Other mutations in Cpt1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00332:Cpt1b APN 15 89,305,066 (GRCm39) missense probably benign 0.01
IGL00497:Cpt1b APN 15 89,306,496 (GRCm39) missense probably benign 0.22
IGL01142:Cpt1b APN 15 89,303,196 (GRCm39) missense probably benign
IGL02329:Cpt1b APN 15 89,307,942 (GRCm39) missense probably benign
IGL02740:Cpt1b APN 15 89,308,535 (GRCm39) missense probably damaging 1.00
IGL03196:Cpt1b APN 15 89,308,598 (GRCm39) missense probably benign
macellaio UTSW 15 89,307,857 (GRCm39) critical splice donor site probably null
oleagenous UTSW 15 89,309,417 (GRCm39) missense probably damaging 1.00
IGL02796:Cpt1b UTSW 15 89,309,005 (GRCm39) missense probably benign 0.04
PIT4519001:Cpt1b UTSW 15 89,303,066 (GRCm39) missense probably damaging 1.00
R0276:Cpt1b UTSW 15 89,304,162 (GRCm39) missense probably benign 0.12
R0302:Cpt1b UTSW 15 89,302,073 (GRCm39) missense probably benign
R0454:Cpt1b UTSW 15 89,308,596 (GRCm39) missense possibly damaging 0.47
R1199:Cpt1b UTSW 15 89,303,213 (GRCm39) missense probably benign 0.01
R1633:Cpt1b UTSW 15 89,303,018 (GRCm39) missense probably damaging 0.98
R1674:Cpt1b UTSW 15 89,306,535 (GRCm39) missense possibly damaging 0.64
R2087:Cpt1b UTSW 15 89,306,411 (GRCm39) missense probably benign 0.07
R2178:Cpt1b UTSW 15 89,303,246 (GRCm39) missense probably damaging 1.00
R2507:Cpt1b UTSW 15 89,303,301 (GRCm39) missense probably benign 0.08
R2883:Cpt1b UTSW 15 89,302,072 (GRCm39) missense probably benign 0.00
R3432:Cpt1b UTSW 15 89,307,944 (GRCm39) missense possibly damaging 0.85
R3783:Cpt1b UTSW 15 89,309,392 (GRCm39) missense probably damaging 1.00
R4574:Cpt1b UTSW 15 89,308,247 (GRCm39) splice site probably null
R4737:Cpt1b UTSW 15 89,305,609 (GRCm39) missense probably benign 0.03
R5122:Cpt1b UTSW 15 89,308,226 (GRCm39) missense probably benign 0.09
R5320:Cpt1b UTSW 15 89,303,477 (GRCm39) missense probably benign 0.00
R5365:Cpt1b UTSW 15 89,304,310 (GRCm39) missense possibly damaging 0.78
R5699:Cpt1b UTSW 15 89,308,476 (GRCm39) missense probably benign 0.44
R5710:Cpt1b UTSW 15 89,309,409 (GRCm39) missense probably damaging 1.00
R5873:Cpt1b UTSW 15 89,304,931 (GRCm39) missense probably damaging 1.00
R5941:Cpt1b UTSW 15 89,309,417 (GRCm39) missense probably damaging 1.00
R6163:Cpt1b UTSW 15 89,308,620 (GRCm39) missense probably benign 0.15
R6197:Cpt1b UTSW 15 89,309,037 (GRCm39) missense possibly damaging 0.77
R6323:Cpt1b UTSW 15 89,303,266 (GRCm39) missense probably benign 0.10
R6486:Cpt1b UTSW 15 89,305,027 (GRCm39) missense probably benign
R7571:Cpt1b UTSW 15 89,305,546 (GRCm39) critical splice donor site probably null
R7648:Cpt1b UTSW 15 89,305,570 (GRCm39) missense probably damaging 1.00
R7743:Cpt1b UTSW 15 89,305,607 (GRCm39) missense probably benign 0.25
R7893:Cpt1b UTSW 15 89,307,857 (GRCm39) critical splice donor site probably null
R8021:Cpt1b UTSW 15 89,305,629 (GRCm39) missense probably benign 0.00
R8207:Cpt1b UTSW 15 89,303,018 (GRCm39) missense probably damaging 0.98
R8394:Cpt1b UTSW 15 89,306,490 (GRCm39) critical splice donor site probably null
R8552:Cpt1b UTSW 15 89,306,524 (GRCm39) missense probably damaging 1.00
R8732:Cpt1b UTSW 15 89,308,628 (GRCm39) missense probably benign
R9564:Cpt1b UTSW 15 89,303,472 (GRCm39) missense probably damaging 1.00
R9643:Cpt1b UTSW 15 89,303,229 (GRCm39) missense possibly damaging 0.79
Predicted Primers PCR Primer
(F):5'- TAGCCTGTATACCTGCTCGG -3'
(R):5'- TGGATCATGAGTGTTAGCCGTATAG -3'

Sequencing Primer
(F):5'- GTATACCTGCTCGGGAATGTCC -3'
(R):5'- CCGTATAGGGGTAGGGCAGC -3'
Posted On 2014-11-12