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GeneBe

12-109166863-C-T

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 1P and 6B. PP2BP4_StrongBP6_Moderate

The NM_001093.4(ACACB):c.656C>T(p.Pro219Leu) variant causes a missense, splice region change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000211 in 1,613,882 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00020 ( 0 hom., cov: 29)
Exomes 𝑓: 0.00021 ( 2 hom. )

Consequence

ACACB
NM_001093.4 missense, splice_region

Scores

2
6
10

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 7.89
Variant links:
Genes affected
ACACB (HGNC:85): (acetyl-CoA carboxylase beta) 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. ACC-beta is thought to control fatty acid oxidation by means of the ability of malonyl-CoA to inhibit carnitine-palmitoyl-CoA transferase I, the rate-limiting step in fatty acid uptake and oxidation by mitochondria. ACC-beta may be involved in the regulation of fatty acid oxidation, rather than fatty acid biosynthesis. [provided by RefSeq, Oct 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PP2
Missense variant where missense usually causes diseases, ACACB
BP4
Computational evidence support a benign effect (MetaRNN=0.010643542).
BP6
Variant 12-109166863-C-T is Benign according to our data. Variant chr12-109166863-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3049102.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ACACBNM_001093.4 linkuse as main transcriptc.656C>T p.Pro219Leu missense_variant, splice_region_variant 3/53 ENST00000338432.12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ACACBENST00000338432.12 linkuse as main transcriptc.656C>T p.Pro219Leu missense_variant, splice_region_variant 3/531 NM_001093.4 P1O00763-1

Frequencies

GnomAD3 genomes
AF:
0.000198
AC:
30
AN:
151898
Hom.:
0
Cov.:
29
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000656
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00524
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000481
GnomAD3 exomes
AF:
0.000486
AC:
122
AN:
251184
Hom.:
1
AF XY:
0.000405
AC XY:
55
AN XY:
135780
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00658
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000881
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000212
AC:
310
AN:
1461866
Hom.:
2
Cov.:
31
AF XY:
0.000204
AC XY:
148
AN XY:
727240
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00718
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.000381
GnomAD4 genome
AF:
0.000204
AC:
31
AN:
152016
Hom.:
0
Cov.:
29
AF XY:
0.000175
AC XY:
13
AN XY:
74294
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00526
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000952
Alfa
AF:
0.0000475
Hom.:
0
Bravo
AF:
0.000280
ExAC
AF:
0.000436
AC:
53
Asia WGS
AF:
0.00202
AC:
7
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

ACACB-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesJan 11, 2022This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.35
Cadd
Uncertain
24
Dann
Uncertain
0.99
DEOGEN2
Uncertain
0.79
D;D;T
Eigen
Benign
0.18
Eigen_PC
Benign
0.21
FATHMM_MKL
Pathogenic
0.98
D
M_CAP
Benign
0.042
D
MetaRNN
Benign
0.011
T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.5
M;M;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.64
T
PROVEAN
Pathogenic
-5.0
D;D;.
REVEL
Benign
0.25
Sift
Uncertain
0.0020
D;D;.
Sift4G
Uncertain
0.0030
D;D;D
Polyphen
0.68
P;P;.
Vest4
0.74
MVP
0.24
MPC
0.51
ClinPred
0.27
T
GERP RS
4.9
Varity_R
0.35
gMVP
0.67

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
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: rs17848820; hg19: chr12-109604668; API