Incidental Mutation 'R6323:Cpt1b'
ID 510219
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 044477-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6323 (G1)
Quality Score 225.009
Status Validated
Chromosome 15
Chromosomal Location 89300608-89310065 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 89303266 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Isoleucine at position 596 (M596I)
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: M596I

PolyPhen 2 Score 0.102 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000104936
Gene: ENSMUSG00000078937
AA Change: M596I

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
Meta Mutation Damage Score 0.3095 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.4%
  • 20x: 98.2%
Validation Efficiency 98% (40/41)
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933409G03Rik A G 2: 68,436,568 (GRCm39) T171A unknown Het
Akr1c6 A G 13: 4,497,017 (GRCm39) K153R possibly damaging Het
Ano1 T A 7: 144,165,423 (GRCm39) I601F possibly damaging Het
Arfgef2 A G 2: 166,676,404 (GRCm39) Y8C probably damaging Het
Arhgef4 G A 1: 34,762,558 (GRCm39) A605T unknown Het
Atp1a2 C G 1: 172,116,903 (GRCm39) R238P probably damaging Het
Baz2a A G 10: 127,962,286 (GRCm39) I1816V probably benign Het
Cadps2 T A 6: 23,263,577 (GRCm39) T1294S probably benign Het
Casz1 T C 4: 149,026,161 (GRCm39) S952P possibly damaging Het
Cdc20 T C 4: 118,292,761 (GRCm39) N329S probably damaging Het
Ceacam1 A C 7: 25,174,076 (GRCm39) L193R probably damaging Het
Celf5 A G 10: 81,305,337 (GRCm39) S143P probably damaging Het
Cfap74 A G 4: 155,548,395 (GRCm39) D1342G possibly damaging Het
Chd5 C A 4: 152,451,791 (GRCm39) T701K probably damaging Het
Ctrb1 A G 8: 112,416,223 (GRCm39) V21A probably benign Het
Diaph3 C T 14: 87,203,889 (GRCm39) V579I probably benign Het
Dlc1 T C 8: 37,405,537 (GRCm39) E84G possibly damaging Het
Dnajc14 A G 10: 128,643,359 (GRCm39) E427G probably damaging Het
Galns T C 8: 123,325,390 (GRCm39) D254G probably damaging Het
Gpn3 C T 5: 122,510,638 (GRCm39) probably benign Het
Gstm1 A G 3: 107,925,063 (GRCm39) V10A probably benign Het
Krt13 C A 11: 100,011,976 (GRCm39) A116S probably damaging Het
Lars2 A T 9: 123,270,659 (GRCm39) K584* probably null Het
Lrrc43 G T 5: 123,641,949 (GRCm39) G600W probably damaging Het
Madd G T 2: 90,991,783 (GRCm39) probably null Het
Mnat1 A G 12: 73,214,878 (GRCm39) D65G probably damaging Het
Nsmf A G 2: 24,945,063 (GRCm39) N42S possibly damaging Het
Or4k77 T C 2: 111,199,046 (GRCm39) L23P possibly damaging Het
Or5ac16 A G 16: 59,022,645 (GRCm39) L48P probably damaging Het
Palld A T 8: 62,173,727 (GRCm39) W311R probably damaging Het
Pax1 T A 2: 147,210,321 (GRCm39) V352E probably damaging Het
Rnf2 T C 1: 151,348,967 (GRCm39) K51R probably damaging Het
Rpl7l1 C A 17: 47,093,564 (GRCm39) probably benign Het
Slc1a6 G A 10: 78,648,721 (GRCm39) G481S probably damaging Het
Slc34a1 A G 13: 23,998,969 (GRCm39) I121V probably benign Het
Spata31h1 G A 10: 82,118,916 (GRCm39) T4698I probably benign Het
Trav6-1 T C 14: 52,876,248 (GRCm39) V56A possibly damaging Het
Vmn2r111 T C 17: 22,778,032 (GRCm39) N549S possibly damaging Het
Vmn2r79 T A 7: 86,650,522 (GRCm39) C103S probably benign Het
Wwp2 A T 8: 108,267,303 (GRCm39) H305L probably damaging Het
Zfp593 A G 4: 133,972,224 (GRCm39) V94A probably benign 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
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'- CTTTCCGGAAGAGATCTTGGAGG -3'
(R):5'- CAAGAAGTGTAGGACCAGCC -3'

Sequencing Primer
(F):5'- CCGGAAGAGATCTTGGAGGTCTTG -3'
(R):5'- CCCGACGCTTTTGTGCAG -3'
Posted On 2018-04-02