17-82079280-C-T

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4BS2

The NM_004104.5(FASN):​c.7399G>A​(p.Val2467Ile) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.00000992 in 1,612,904 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000096 ( 0 hom. )

Consequence

FASN
NM_004104.5 missense, splice_region

Scores

1
5
13
Splicing: ADA: 0.8260
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.26
Variant links:
Genes affected
FASN (HGNC:3594): (fatty acid synthase) The enzyme encoded by this gene is a multifunctional protein. Its main function is to catalyze the synthesis of palmitate from acetyl-CoA and malonyl-CoA, in the presence of NADPH, into long-chain saturated fatty acids. In some cancer cell lines, this protein has been found to be fused with estrogen receptor-alpha (ER-alpha), in which the N-terminus of FAS is fused in-frame with the C-terminus of ER-alpha. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.37153566).
BS2
High AC in GnomAdExome4 at 14 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FASNNM_004104.5 linkuse as main transcriptc.7399G>A p.Val2467Ile missense_variant, splice_region_variant 43/43 ENST00000306749.4
FASNXM_011523538.3 linkuse as main transcriptc.7399G>A p.Val2467Ile missense_variant, splice_region_variant 43/43

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FASNENST00000306749.4 linkuse as main transcriptc.7399G>A p.Val2467Ile missense_variant, splice_region_variant 43/431 NM_004104.5 P1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152236
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000400
AC:
1
AN:
250164
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135736
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000887
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000958
AC:
14
AN:
1460668
Hom.:
0
Cov.:
35
AF XY:
0.00000963
AC XY:
7
AN XY:
726652
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000989
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152236
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74374
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000282
Hom.:
0
Bravo
AF:
0.0000189
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Epileptic encephalopathy Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpSep 17, 2023In 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. 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 disruptive. ClinVar contains an entry for this variant (Variation ID: 654131). This variant has not been reported in the literature in individuals affected with FASN-related conditions. This variant is present in population databases (rs760070841, gnomAD 0.0009%). This sequence change replaces valine, which is neutral and non-polar, with isoleucine, which is neutral and non-polar, at codon 2467 of the FASN protein (p.Val2467Ile). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.16
T
BayesDel_noAF
Benign
-0.46
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.27
T;.
Eigen
Uncertain
0.29
Eigen_PC
Benign
0.18
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.94
D;D
M_CAP
Benign
0.061
D
MetaRNN
Benign
0.37
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.1
M;.
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.58
T
PROVEAN
Benign
-0.55
N;.
REVEL
Benign
0.15
Sift
Benign
0.10
T;.
Sift4G
Benign
0.40
T;T
Polyphen
1.0
D;.
Vest4
0.19
MutPred
0.56
Gain of sheet (P = 0.0085);.;
MVP
0.43
ClinPred
0.51
D
GERP RS
2.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.9
Varity_R
0.14
gMVP
0.55

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.83
dbscSNV1_RF
Benign
0.42
SpliceAI score (max)
0.020
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: rs760070841; hg19: chr17-80037156; API