Incidental Mutation 'R2178:Cpt1b'
ID 237020
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 040180-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2178 (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 89303246 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamic Acid to Glycine at position 603 (E603G)
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 damaging
Transcript: ENSMUST00000109313
AA Change: E603G

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000104936
Gene: ENSMUSG00000078937
AA Change: E603G

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: 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: 98.7%
  • 10x: 97.6%
  • 20x: 95.9%
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, 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: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy6 A T 15: 98,492,236 (GRCm39) N1007K probably damaging Het
Apon C A 10: 128,090,634 (GRCm39) A104E probably benign Het
Cdh15 T A 8: 123,591,715 (GRCm39) probably null Het
Cep135 T C 5: 76,779,297 (GRCm39) V769A probably benign Het
Cep152 A T 2: 125,421,954 (GRCm39) probably null Het
Clca3a1 T C 3: 144,711,863 (GRCm39) N711D probably damaging Het
Col1a2 T C 6: 4,531,143 (GRCm39) F731L unknown Het
Cspp1 T G 1: 10,174,471 (GRCm39) D641E possibly damaging Het
Ddr2 C T 1: 169,822,251 (GRCm39) R399Q probably benign Het
Dzip1 T C 14: 119,126,816 (GRCm39) probably null Het
Greb1 A G 12: 16,746,388 (GRCm39) V1294A probably damaging Het
Hmgb4 A G 4: 128,154,275 (GRCm39) S98P probably damaging Het
Kif12 G A 4: 63,085,196 (GRCm39) P515L probably benign Het
Kmt5b A C 19: 3,865,372 (GRCm39) E789A possibly damaging Het
Lama1 G T 17: 68,076,510 (GRCm39) V1095F probably benign Het
Leprot T C 4: 101,513,308 (GRCm39) V32A probably benign Het
Mcoln1 A G 8: 3,558,766 (GRCm39) T255A probably damaging Het
Mertk G A 2: 128,634,984 (GRCm39) E765K probably damaging Het
Muc5b A G 7: 141,417,853 (GRCm39) T3600A possibly damaging Het
Ncapd3 A T 9: 26,999,845 (GRCm39) E1395V probably benign Het
Ntrk2 T C 13: 58,956,616 (GRCm39) F25S probably benign Het
Or2a5 A G 6: 42,873,732 (GRCm39) M116V probably benign Het
Or6z1 G T 7: 6,504,487 (GRCm39) A246D probably damaging Het
Or7c70 T A 10: 78,683,612 (GRCm39) I46F probably damaging Het
Pappa C A 4: 65,269,924 (GRCm39) H1613N probably benign Het
Polq T C 16: 36,883,191 (GRCm39) V1785A probably damaging Het
Pramel23 A T 4: 143,424,612 (GRCm39) I277K possibly damaging Het
Prkar2a T C 9: 108,617,737 (GRCm39) probably null Het
Qrich2 T C 11: 116,334,603 (GRCm39) D2194G probably damaging Het
Rnf183 T C 4: 62,346,333 (GRCm39) N155S probably benign Het
S1pr5 T C 9: 21,155,760 (GRCm39) N222S probably benign Het
Scnn1a C T 6: 125,307,965 (GRCm39) R170C probably damaging Het
Slc25a2 T C 18: 37,771,311 (GRCm39) T73A probably benign Het
Tgfb1 A G 7: 25,404,234 (GRCm39) N347S probably damaging Het
Ticrr T C 7: 79,315,433 (GRCm39) V229A probably benign Het
Tjp3 T C 10: 81,115,941 (GRCm39) E313G probably benign Het
Tnfsf11 A G 14: 78,521,682 (GRCm39) S176P probably benign Het
Vmn2r68 TCC TC 7: 84,870,758 (GRCm39) probably null Het
Vps39 C A 2: 120,154,160 (GRCm39) E612* probably null Het
Vwf T A 6: 125,619,095 (GRCm39) Y1258N possibly 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
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
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'- TTCCGGAAGAGATCTTGGAGG -3'
(R):5'- TCAAGAAGTGTAGGACCAGCCC -3'

Sequencing Primer
(F):5'- CCGGAAGAGATCTTGGAGGTCTTG -3'
(R):5'- TGTGCAGATTGCCCTACAG -3'
Posted On 2014-10-02