rs2269383

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 1P and 12B. PP3BP4_StrongBA1

The NM_152246.3(CPT1B):​c.959G>A​(p.Gly320Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0152 in 1,612,678 control chromosomes in the GnomAD database, including 862 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt.

Frequency

Genomes: 𝑓 0.036 ( 207 hom., cov: 33)
Exomes 𝑓: 0.013 ( 655 hom. )

Consequence

CPT1B
NM_152246.3 missense

Scores

9
5
4

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.86
Variant links:
Genes affected
CPT1B (HGNC:2329): (carnitine palmitoyltransferase 1B) 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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

PP3
Multiple lines of computational evidence support a deleterious effect 7: BayesDel_noAF, Cadd, Eigen, MutationAssessor, phyloP100way_vertebrate, PROVEAN, REVEL [when BayesDel_addAF, max_spliceai, FATHMM_MKL, MetaRNN, MutationTaster was below the threshold]
BP4
Computational evidence support a benign effect (MetaRNN=0.0034022331).
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.131 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CPT1BNM_152246.3 linkuse as main transcriptc.959G>A p.Gly320Asp missense_variant 9/20 ENST00000312108.12 NP_689452.1
CHKB-CPT1BNR_027928.2 linkuse as main transcriptn.2529G>A non_coding_transcript_exon_variant 19/30

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CPT1BENST00000312108.12 linkuse as main transcriptc.959G>A p.Gly320Asp missense_variant 9/201 NM_152246.3 ENSP00000312189 P1Q92523-1

Frequencies

GnomAD3 genomes
AF:
0.0361
AC:
5486
AN:
152130
Hom.:
207
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0891
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0192
Gnomad ASJ
AF:
0.00893
Gnomad EAS
AF:
0.139
Gnomad SAS
AF:
0.0310
Gnomad FIN
AF:
0.0193
Gnomad MID
AF:
0.0348
Gnomad NFE
AF:
0.00494
Gnomad OTH
AF:
0.0258
GnomAD3 exomes
AF:
0.0264
AC:
6465
AN:
245092
Hom.:
308
AF XY:
0.0248
AC XY:
3297
AN XY:
132978
show subpopulations
Gnomad AFR exome
AF:
0.0896
Gnomad AMR exome
AF:
0.00918
Gnomad ASJ exome
AF:
0.00745
Gnomad EAS exome
AF:
0.153
Gnomad SAS exome
AF:
0.0279
Gnomad FIN exome
AF:
0.0158
Gnomad NFE exome
AF:
0.00536
Gnomad OTH exome
AF:
0.0176
GnomAD4 exome
AF:
0.0131
AC:
19085
AN:
1460430
Hom.:
655
Cov.:
32
AF XY:
0.0134
AC XY:
9735
AN XY:
726410
show subpopulations
Gnomad4 AFR exome
AF:
0.0933
Gnomad4 AMR exome
AF:
0.0102
Gnomad4 ASJ exome
AF:
0.00771
Gnomad4 EAS exome
AF:
0.142
Gnomad4 SAS exome
AF:
0.0277
Gnomad4 FIN exome
AF:
0.0147
Gnomad4 NFE exome
AF:
0.00473
Gnomad4 OTH exome
AF:
0.0191
GnomAD4 genome
AF:
0.0361
AC:
5500
AN:
152248
Hom.:
207
Cov.:
33
AF XY:
0.0382
AC XY:
2846
AN XY:
74460
show subpopulations
Gnomad4 AFR
AF:
0.0891
Gnomad4 AMR
AF:
0.0192
Gnomad4 ASJ
AF:
0.00893
Gnomad4 EAS
AF:
0.139
Gnomad4 SAS
AF:
0.0313
Gnomad4 FIN
AF:
0.0193
Gnomad4 NFE
AF:
0.00494
Gnomad4 OTH
AF:
0.0255
Alfa
AF:
0.0124
Hom.:
63
Bravo
AF:
0.0388
TwinsUK
AF:
0.00405
AC:
15
ALSPAC
AF:
0.00545
AC:
21
ESP6500AA
AF:
0.0872
AC:
384
ESP6500EA
AF:
0.00616
AC:
53
ExAC
AF:
0.0271
AC:
3290
Asia WGS
AF:
0.0700
AC:
245
AN:
3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.48
BayesDel_addAF
Benign
-0.037
T
BayesDel_noAF
Pathogenic
0.32
CADD
Pathogenic
28
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.89
D;D;D;D;.
Eigen
Pathogenic
0.87
Eigen_PC
Pathogenic
0.74
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.98
.;.;.;D;D
MetaRNN
Benign
0.0034
T;T;T;T;T
MetaSVM
Benign
-0.70
T
MutationAssessor
Pathogenic
4.1
H;H;H;H;.
MutationTaster
Benign
2.0e-11
P;P;P;P;P;P;P
PrimateAI
Uncertain
0.71
T
PROVEAN
Pathogenic
-6.5
D;D;D;D;D
REVEL
Pathogenic
0.85
Sift
Uncertain
0.0020
D;D;D;D;D
Sift4G
Uncertain
0.011
D;D;D;D;D
Polyphen
1.0
D;D;D;D;.
Vest4
0.33
ClinPred
0.086
T
GERP RS
4.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.86
gMVP
0.84

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.060
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs2269383; hg19: chr22-51012775; COSMIC: COSV56417163; COSMIC: COSV56417163; API