Incidental Mutation 'R6486:Cpt1b'
ID 517347
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 044618-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6486 (G1)
Quality Score 225.009
Status Validated
Chromosome 15
Chromosomal Location 89300608-89310065 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 89305027 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Threonine at position 407 (M407T)
Ref Sequence ENSEMBL: ENSMUSP00000104936 (fasta)
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
AA Change: M407T

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000104936
Gene: ENSMUSG00000078937
AA Change: M407T

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 unknown
Transcript: ENSMUST00000168879
AA Change: M37T
SMART Domains Protein: ENSMUSP00000128188
Gene: ENSMUSG00000078937
AA Change: M37T

DomainStartEndE-ValueType
Pfam:Carn_acyltransf 3 148 3.5e-34 PFAM
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.2%
  • 20x: 94.9%
Validation Efficiency 100% (30/30)
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: 31 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Cacna1d T A 14: 29,836,190 (GRCm39) M853L probably benign Het
Cacna2d1 C T 5: 16,524,448 (GRCm39) probably null Het
Capg G T 6: 72,534,733 (GRCm39) E187* probably null Het
Carns1 C T 19: 4,219,979 (GRCm39) A419T probably benign Het
Dlg2 A T 7: 91,521,582 (GRCm39) probably null Het
Ep400 T C 5: 110,845,084 (GRCm39) probably benign Het
Epha4 T C 1: 77,360,186 (GRCm39) N704D probably damaging Het
Gga2 A G 7: 121,601,411 (GRCm39) S231P probably damaging Het
Gpbp1l1 A G 4: 116,438,572 (GRCm39) K223E probably damaging Het
Homer1 A T 13: 93,528,233 (GRCm39) N78I possibly damaging Het
Lmbr1 C T 5: 29,528,859 (GRCm39) V122M probably damaging Het
Mpeg1 C A 19: 12,439,469 (GRCm39) A309E probably damaging Het
Myo18a A G 11: 77,755,648 (GRCm39) E1713G possibly damaging Het
Neto1 A G 18: 86,479,371 (GRCm39) I186M probably benign Het
Nfasc T C 1: 132,532,952 (GRCm39) D668G probably damaging Het
Nlrc5 T C 8: 95,247,927 (GRCm39) probably null Het
Or1j11 A T 2: 36,311,556 (GRCm39) I49F probably damaging Het
Or5b124 T G 19: 13,611,055 (GRCm39) N193K probably damaging Het
Or8c11 G A 9: 38,289,200 (GRCm39) V2I probably benign Het
Peg10 GAT GATCAT 6: 4,756,449 (GRCm39) probably benign Het
Prkdc T C 16: 15,570,628 (GRCm39) S2304P probably damaging Het
Sgsm3 T C 15: 80,895,546 (GRCm39) I699T probably damaging Het
Slc8b1 T C 5: 120,671,067 (GRCm39) F551S probably damaging Het
Stra6 TC T 9: 58,058,705 (GRCm39) probably null Het
Tlr3 T C 8: 45,851,650 (GRCm39) probably null Het
Tnfrsf22 T C 7: 143,194,493 (GRCm39) T145A possibly damaging Het
Trp63 A T 16: 25,684,090 (GRCm39) T326S probably damaging Het
Unc45a C G 7: 79,989,400 (GRCm39) E23Q probably benign Het
Vmn1r234 A T 17: 21,449,604 (GRCm39) M173L probably benign Het
Vmn2r13 T G 5: 109,304,425 (GRCm39) I669L probably benign Het
Vwa5a G A 9: 38,645,174 (GRCm39) G420R 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
R2414:Cpt1b UTSW 15 89,304,283 (GRCm39) splice site probably benign
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
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'- CCCATTAGCTCTGAACCTGAC -3'
(R):5'- GTCCCACATTCAGCCTGATC -3'

Sequencing Primer
(F):5'- TGACCCTAACCACTAGCCTATAATTG -3'
(R):5'- TTCAGCCTGATCCTAAGAGGTAC -3'
Posted On 2018-05-21