Incidental Mutation 'R2883:Cpt1b'
ID 260940
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 040471-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2883 (G1)
Quality Score 225
Status Not validated
Chromosome 15
Chromosomal Location 89300608-89310065 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 89302072 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Cysteine at position 702 (Y702C)
Ref Sequence ENSEMBL: ENSMUSP00000104936 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000052315] [ENSMUST00000109313]
AlphaFold Q924X2
Predicted Effect probably benign
Transcript: ENSMUST00000052315
Predicted Effect probably benign
Transcript: ENSMUST00000109313
AA Change: Y702C

PolyPhen 2 Score 0.004 (Sensitivity: 0.98; Specificity: 0.59)
SMART Domains Protein: ENSMUSP00000104936
Gene: ENSMUSG00000078937
AA Change: Y702C

DomainStartEndE-ValueType
Pfam:CPT_N 1 47 2.5e-29 PFAM
Pfam:Carn_acyltransf 173 762 1.3e-183 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000168879
SMART Domains Protein: ENSMUSP00000128188
Gene: ENSMUSG00000078937

DomainStartEndE-ValueType
Pfam:Carn_acyltransf 3 148 3.5e-34 PFAM
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 94.7%
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, 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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700018B08Rik G A 8: 122,266,644 (GRCm39) P81S probably damaging Het
Arhgef10l T C 4: 140,244,113 (GRCm39) Q790R probably benign Het
Asic2 T A 11: 80,784,839 (GRCm39) I367F possibly damaging Het
Asxl2 T C 12: 3,551,830 (GRCm39) S1191P probably benign Het
Bod1l A G 5: 41,989,602 (GRCm39) S374P probably benign Het
C1qtnf7 T A 5: 43,773,222 (GRCm39) F167I probably damaging Het
Cimip3 C A 17: 47,747,650 (GRCm39) V32F probably damaging Het
Col13a1 A G 10: 61,814,135 (GRCm39) L94P probably benign Het
Cped1 A T 6: 22,143,978 (GRCm39) T575S probably damaging Het
D630039A03Rik T A 4: 57,910,560 (GRCm39) N84I probably damaging Het
Dse A T 10: 34,028,503 (GRCm39) D862E probably benign Het
Etl4 A T 2: 20,810,985 (GRCm39) T1023S possibly damaging Het
Fat4 T A 3: 39,034,953 (GRCm39) N2868K probably damaging Het
Fgd5 G A 6: 91,964,090 (GRCm39) probably null Het
Fsip2 C T 2: 82,821,868 (GRCm39) T5867I possibly damaging Het
Fuca2 A G 10: 13,381,695 (GRCm39) T203A probably benign Het
Gli2 T C 1: 118,795,874 (GRCm39) I131V probably damaging Het
Gtpbp4 A G 13: 9,040,759 (GRCm39) V122A possibly damaging Het
Kif1b G A 4: 149,322,105 (GRCm39) T938I possibly damaging Het
Klhl29 T C 12: 5,134,036 (GRCm39) D767G probably damaging Het
Mageb3 A G 2: 121,784,847 (GRCm39) V285A probably benign Het
Myoc A G 1: 162,467,185 (GRCm39) E118G possibly damaging Het
Nedd1 A C 10: 92,530,860 (GRCm39) F410V probably damaging Het
Nipal1 A T 5: 72,825,073 (GRCm39) K255N probably damaging Het
Npr3 T C 15: 11,883,410 (GRCm39) K340E possibly damaging Het
Obsl1 C A 1: 75,473,155 (GRCm39) G1023C possibly damaging Het
Ogdh T C 11: 6,284,545 (GRCm39) L188P probably damaging Het
Or51ac3 T C 7: 103,214,471 (GRCm39) N5S probably benign Het
Or5v1 C T 17: 37,810,271 (GRCm39) S243F probably damaging Het
Or9q1 T A 19: 13,805,239 (GRCm39) I174F probably damaging Het
Otogl G A 10: 107,604,842 (GRCm39) T2188M probably damaging Het
Pck1 G A 2: 173,000,368 (GRCm39) V600I probably benign Het
Ranbp17 A G 11: 33,454,708 (GRCm39) C42R probably damaging Het
Rapgef4 G A 2: 71,861,469 (GRCm39) R53H probably benign Het
Rbm12 G A 2: 155,938,995 (GRCm39) H426Y probably damaging Het
Retreg2 C T 1: 75,123,356 (GRCm39) P428L probably benign Het
Rev3l G T 10: 39,701,152 (GRCm39) S1883I probably damaging Het
Rinl CGGG CGGGGG 7: 28,497,083 (GRCm39) probably null Het
Rora T C 9: 69,282,717 (GRCm39) S356P probably damaging Het
Slc31a1 T C 4: 62,307,008 (GRCm39) V188A probably damaging Het
Slc9a3 A G 13: 74,306,879 (GRCm39) K335E probably damaging Het
Spata22 C A 11: 73,235,504 (GRCm39) H274N possibly damaging Het
Srrm1 T C 4: 135,048,722 (GRCm39) probably benign Het
Stab2 A T 10: 86,803,550 (GRCm39) I333N possibly damaging Het
Supt5 A G 7: 28,028,745 (GRCm39) Y153H possibly damaging Het
Tyk2 T C 9: 21,021,883 (GRCm39) T825A probably benign Het
Usp20 G A 2: 30,908,812 (GRCm39) V798M probably benign Het
Wdr26 A T 1: 181,038,685 (GRCm39) D102E probably damaging 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
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'- CCTGGAAGTGAGCATTGGTCA -3'
(R):5'- AGTGCCGATATCAAAGGAGTT -3'

Sequencing Primer
(F):5'- CACAGAATGGATGGGTCCTCGTAC -3'
(R):5'- GTTCTCCATCACTACCAGGAGGATG -3'
Posted On 2015-01-23