Incidental Mutation 'PIT4519001:Cpt1b'
ID 555142
Institutional Source Beutler Lab
Gene Symbol Cpt1b
Ensembl Gene ENSMUSG00000078937
Gene Name carnitine palmitoyltransferase 1b, muscle
Synonyms Cpt1, M-CPTI, M-CPT I
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # PIT4519001 (G1)
Quality Score 194.009
Status Not validated
Chromosome 15
Chromosomal Location 89300608-89310065 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 89303066 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Isoleucine at position 633 (F633I)
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: F633I

PolyPhen 2 Score 0.995 (Sensitivity: 0.68; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000104936
Gene: ENSMUSG00000078937
AA Change: F633I

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: 93.5%
  • 3x: 90.9%
  • 10x: 84.7%
  • 20x: 70.8%
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: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik T A 12: 71,217,440 (GRCm39) M803K probably benign Het
4930590J08Rik C A 6: 91,894,038 (GRCm39) N218K probably damaging Het
Abcc2 G A 19: 43,807,836 (GRCm39) V826M possibly damaging Het
Abcg2 T C 6: 58,651,792 (GRCm39) S395P probably damaging Het
Adam1b C T 5: 121,640,010 (GRCm39) G345D probably damaging Het
Alx4 T A 2: 93,505,773 (GRCm39) C292S probably benign Het
Amd2 C A 10: 35,586,627 (GRCm39) C310F possibly damaging Het
BC051665 A T 13: 60,931,989 (GRCm39) S137T possibly damaging Het
Bmp1 A G 14: 70,727,469 (GRCm39) F705L possibly damaging Het
Coil C T 11: 88,863,552 (GRCm39) probably benign Het
Col6a6 G A 9: 105,609,462 (GRCm39) P1609S probably benign Het
Dcun1d2 A T 8: 13,311,406 (GRCm39) D194E probably benign Het
Defb4 A G 8: 19,248,752 (GRCm39) R2G possibly damaging Het
Dll4 T C 2: 119,162,897 (GRCm39) V506A probably benign Het
Dop1b A G 16: 93,558,942 (GRCm39) S563G probably benign Het
Dpp7 C A 2: 25,242,460 (GRCm39) G498W probably damaging Het
Fam210a A T 18: 68,409,020 (GRCm39) S97T possibly damaging Het
Fastkd1 T A 2: 69,520,501 (GRCm39) D767V probably damaging Het
Fgg A T 3: 82,920,246 (GRCm39) N342Y probably damaging Het
Gimap6 T G 6: 48,684,995 (GRCm39) R30S probably benign Het
Gm10840 T C 11: 106,051,959 (GRCm39) V95A unknown Het
Herc3 T A 6: 58,853,796 (GRCm39) I614N probably damaging Het
Kdr A T 5: 76,097,556 (GRCm39) S1233R possibly damaging Het
Lrp1 C G 10: 127,443,843 (GRCm39) Q141H possibly damaging Het
Magi2 A T 5: 20,866,344 (GRCm39) K1078N probably damaging Het
Meioc A T 11: 102,570,783 (GRCm39) E838V probably damaging Het
Mmp20 A G 9: 7,628,302 (GRCm39) K17E probably benign Het
Mtor C T 4: 148,608,957 (GRCm39) R1538W probably damaging Het
Notch2 C T 3: 98,005,424 (GRCm39) T296I probably damaging Het
Nup98 T C 7: 101,784,171 (GRCm39) S1054G probably benign Het
Or10ac1 T C 6: 42,515,534 (GRCm39) T141A probably damaging Het
Or2a12 T C 6: 42,904,578 (GRCm39) C138R probably damaging Het
Or5b109 A C 19: 13,212,216 (GRCm39) I201L probably benign Het
Or6f1 T C 7: 85,970,941 (GRCm39) Y73C probably damaging Het
Pipox C A 11: 77,774,001 (GRCm39) W205L probably damaging Het
Plin4 T G 17: 56,410,828 (GRCm39) T1068P probably benign Het
Pou6f2 A G 13: 18,414,149 (GRCm39) S209P unknown Het
Ptpdc1 T C 13: 48,736,632 (GRCm39) T713A probably benign Het
Rgsl1 T C 1: 153,701,716 (GRCm39) Y246C possibly damaging Het
Rnf19b C T 4: 128,969,446 (GRCm39) A354V probably damaging Het
Rsph4a A G 10: 33,785,126 (GRCm39) T346A probably benign Het
Rsrc2 T C 5: 123,883,135 (GRCm39) T16A unknown Het
Scrn3 T C 2: 73,148,768 (GRCm39) V113A possibly damaging Het
Scrn3 T A 2: 73,161,347 (GRCm39) I311K possibly damaging Het
Sfmbt1 T C 14: 30,506,148 (GRCm39) probably null Het
Sin3a A G 9: 57,002,740 (GRCm39) I211V possibly damaging Het
Strn3 T C 12: 51,680,491 (GRCm39) T370A probably benign Het
Sulf1 T G 1: 12,918,395 (GRCm39) N786K probably damaging Het
Taf1b T A 12: 24,597,118 (GRCm39) Y352* probably null Het
Tas2r120 T A 6: 132,634,297 (GRCm39) N126K probably benign Het
Tjap1 C A 17: 46,572,432 (GRCm39) R68L probably benign Het
Tnfsf12 C T 11: 69,586,230 (GRCm39) R66Q probably benign Het
Traj45 A G 14: 54,410,303 (GRCm39) D6G Het
Trappc9 T C 15: 72,824,943 (GRCm39) T541A probably benign Het
Ttc29 A C 8: 79,052,106 (GRCm39) E329A probably benign Het
Vmn1r117 T G 7: 20,617,160 (GRCm39) D296A possibly damaging Het
Vmn1r203 A G 13: 22,708,765 (GRCm39) N182S probably benign Het
Vps53 C A 11: 76,007,999 (GRCm39) R287L probably damaging Het
Vwce G A 19: 10,641,946 (GRCm39) E891K possibly damaging Het
Zfp608 T C 18: 55,079,783 (GRCm39) N334S possibly damaging Het
Zfp648 A G 1: 154,080,687 (GRCm39) H282R 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
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
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'- TTAATCCCACAGAGCCCTATCG -3'
(R):5'- TGAGACTGTGCGTTCCTGTAC -3'

Sequencing Primer
(F):5'- CAAGAAGGCCTTGGTCTGG -3'
(R):5'- TGCGTTCCTGTACCAACGAG -3'
Posted On 2019-06-07