Incidental Mutation 'R1633:Cpt1b'
ID 172943
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 039670-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1633 (G1)
Quality Score 225
Status Validated
Chromosome 15
Chromosomal Location 89300608-89310065 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 89303018 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 649 (T649A)
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: T649A

PolyPhen 2 Score 0.977 (Sensitivity: 0.76; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000104936
Gene: ENSMUSG00000078937
AA Change: T649A

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 0.2747 question?
Coding Region Coverage
  • 1x: 98.8%
  • 3x: 97.7%
  • 10x: 93.9%
  • 20x: 83.9%
Validation Efficiency 94% (68/72)
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: 62 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acmsd C T 1: 127,681,592 (GRCm39) A185V probably benign Het
Acsl6 T C 11: 54,219,224 (GRCm39) probably benign Het
Arel1 A G 12: 84,973,057 (GRCm39) F580S probably damaging Het
Arhgef19 T C 4: 140,965,871 (GRCm39) probably benign Het
Bpifb3 T A 2: 153,764,504 (GRCm39) L132Q probably damaging Het
Cacna2d1 T A 5: 16,525,114 (GRCm39) D516E probably damaging Het
Ccar1 T C 10: 62,586,793 (GRCm39) R882G unknown Het
Cep162 T C 9: 87,085,736 (GRCm39) E1196G probably benign Het
Cttnbp2 A T 6: 18,435,166 (GRCm39) S231T probably damaging Het
Dock8 A G 19: 25,028,927 (GRCm39) T44A probably benign Het
Edrf1 T C 7: 133,253,869 (GRCm39) S536P probably damaging Het
Eif5 T A 12: 111,506,721 (GRCm39) N104K probably damaging Het
Enpp3 T C 10: 24,671,680 (GRCm39) Y438C probably damaging Het
Ess2 A G 16: 17,727,831 (GRCm39) V116A probably benign Het
Galnt4 T C 10: 98,945,814 (GRCm39) V513A possibly damaging Het
Gdpd5 T C 7: 99,097,720 (GRCm39) I172T probably benign Het
Ggt7 C T 2: 155,344,608 (GRCm39) G245D probably damaging Het
Gm5884 A T 6: 128,623,028 (GRCm39) noncoding transcript Het
Herc2 G A 7: 55,879,117 (GRCm39) G4669R probably null Het
Hydin T A 8: 111,233,614 (GRCm39) D1817E probably benign Het
Igf2r A C 17: 12,945,196 (GRCm39) N359K probably benign Het
Itgb4 T C 11: 115,898,586 (GRCm39) F1722L probably damaging Het
Itih3 T A 14: 30,639,355 (GRCm39) E406V possibly damaging Het
Lamc2 A T 1: 153,017,444 (GRCm39) C514* probably null Het
Mepe G T 5: 104,485,540 (GRCm39) V227F probably benign Het
Nadk C T 4: 155,661,642 (GRCm39) T56I probably damaging Het
Nedd4 G A 9: 72,578,539 (GRCm39) V84I possibly damaging Het
Nipal3 C A 4: 135,174,659 (GRCm39) R364L probably benign Het
Nkx2-9 T C 12: 56,659,766 (GRCm39) R27G probably benign Het
Noc2l T A 4: 156,329,750 (GRCm39) S600T probably benign Het
Or1l4b T A 2: 37,036,983 (GRCm39) I253N probably damaging Het
Or1o3 T A 17: 37,574,553 (GRCm39) M1L probably benign Het
Or2c1 A C 16: 3,657,396 (GRCm39) K186N probably damaging Het
Pax6 A T 2: 105,522,063 (GRCm39) E240V probably damaging Het
Pdilt T G 7: 119,087,217 (GRCm39) T478P probably damaging Het
Phldb1 T A 9: 44,629,619 (GRCm39) I25F probably damaging Het
Rad50 C T 11: 53,583,686 (GRCm39) R365Q probably benign Het
Rdh10 A G 1: 16,198,420 (GRCm39) E186G possibly damaging Het
Rdh12 A T 12: 79,265,498 (GRCm39) E224V probably damaging Het
Reck T C 4: 43,922,964 (GRCm39) V413A possibly damaging Het
Scn8a A G 15: 100,927,696 (GRCm39) I1392V probably benign Het
Simc1 G A 13: 54,673,044 (GRCm39) G464D probably benign Het
Srf A T 17: 46,862,534 (GRCm39) V318E probably damaging Het
Stab1 T C 14: 30,872,337 (GRCm39) probably null Het
Stk3 T C 15: 34,959,206 (GRCm39) D322G probably damaging Het
Stxbp4 A G 11: 90,430,986 (GRCm39) probably benign Het
Sult2a1 A G 7: 13,535,351 (GRCm39) I234T probably benign Het
Syne1 A G 10: 5,299,388 (GRCm39) F956L probably damaging Het
Tasor2 A T 13: 3,631,771 (GRCm39) I910N possibly damaging Het
Thsd7a G T 6: 12,471,103 (GRCm39) S505* probably null Het
Tmem63a T A 1: 180,776,391 (GRCm39) V67E probably damaging Het
Tram2 A T 1: 21,074,146 (GRCm39) V264E probably damaging Het
Trpv5 A T 6: 41,652,854 (GRCm39) C106* probably null Het
Tspyl5 T A 15: 33,686,791 (GRCm39) K385* probably null Het
Vezt T A 10: 93,820,138 (GRCm39) Q409L probably damaging Het
Vmn2r79 T C 7: 86,687,042 (GRCm39) C808R possibly damaging Het
Wdfy3 A C 5: 102,129,414 (GRCm39) V4G probably damaging Het
Wdr95 A T 5: 149,516,637 (GRCm39) I493F probably damaging Het
Zfhx4 A T 3: 5,465,473 (GRCm39) N1877I probably damaging Het
Zfp180 A G 7: 23,804,226 (GRCm39) D215G probably benign Het
Zfp442 A T 2: 150,250,260 (GRCm39) Y490* probably null Het
Zfp804b A G 5: 7,229,513 (GRCm39) 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
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
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'- TTCTCACAAGCACTGTCACCATCTG -3'
(R):5'- ACTGAGACTGTGCGTTCCTGTACC -3'

Sequencing Primer
(F):5'- tcaccatctggcagaacac -3'
(R):5'- TGCGTTCCTGTACCAACGAG -3'
Posted On 2014-04-24