chr17-37097973-G-C
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Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 1P and 5B. PP2BP4BS2
The NM_198834.3(ACACA):c.6577C>G(p.Leu2193Val) variant causes a missense change. The variant allele was found at a frequency of 0.00000682 in 1,614,082 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000068 ( 0 hom. )
Consequence
ACACA
NM_198834.3 missense
NM_198834.3 missense
Scores
1
2
10
Clinical Significance
Conservation
PhyloP100: 4.97
Genes affected
ACACA (HGNC:84): (acetyl-CoA carboxylase alpha) Acetyl-CoA carboxylase (ACC) is a complex multifunctional enzyme system. ACC is a biotin-containing enzyme which catalyzes the carboxylation of acetyl-CoA to malonyl-CoA, the rate-limiting step in fatty acid synthesis. There are two ACC forms, alpha and beta, encoded by two different genes. ACC-alpha is highly enriched in lipogenic tissues. The enzyme is under long term control at the transcriptional and translational levels and under short term regulation by the phosphorylation/dephosphorylation of targeted serine residues and by allosteric transformation by citrate or palmitoyl-CoA. Multiple alternatively spliced transcript variants divergent in the 5' sequence and encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -4 ACMG points.
PP2
Missense variant where missense usually causes diseases, ACACA
BP4
Computational evidence support a benign effect (MetaRNN=0.36297917).
BS2
High AC in GnomAdExome4 at 10 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
ACACA | NM_198834.3 | c.6577C>G | p.Leu2193Val | missense_variant | 53/56 | ENST00000616317.5 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
ACACA | ENST00000616317.5 | c.6577C>G | p.Leu2193Val | missense_variant | 53/56 | 1 | NM_198834.3 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152194Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000199 AC: 5AN: 251460Hom.: 0 AF XY: 0.0000368 AC XY: 5AN XY: 135898
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GnomAD4 exome AF: 0.00000684 AC: 10AN: 1461888Hom.: 0 Cov.: 32 AF XY: 0.0000138 AC XY: 10AN XY: 727244
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152194Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74348
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Jan 03, 2024 | This sequence change replaces leucine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 2156 of the ACACA protein (p.Leu2156Val). This variant is present in population databases (rs754490571, gnomAD 0.02%). This variant has not been reported in the literature in individuals affected with ACACA-related conditions. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Uncertain
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Pathogenic
D
M_CAP
Benign
T
MetaRNN
Benign
T;T;T;T;T
MetaSVM
Benign
T
MutationTaster
Benign
D;D;D;D;D
PrimateAI
Uncertain
T
Sift4G
Benign
T;T;T;T;T
Polyphen
B;B;B;.;.
Vest4
MutPred
0.56
.;.;Loss of helix (P = 0.0237);.;.;
MVP
ClinPred
D
GERP RS
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Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at