dbSNP rs147904451: FASN:p.Leu919Leu (chr17-82088144-C-T) – ACMG Classification: Benign (-7 pts)

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_StrongBP6_ModerateBP7

The NM_004104.5(FASN):c.2757G>A(p.Leu919Leu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000489 in 1,612,822 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00039 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00050 ( 1 hom. )

Consequence

FASN
NM_004104.5 synonymous

Scores

Clinical Significance

Benign criteria provided, single submitter B:2

Conservation

PhyloP100: 1.10

Publications

1 publications found

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]

FASN Gene-Disease associations (from GenCC):

neurodevelopmental disorder
Inheritance: AR Classification: LIMITED Submitted by: G2P

FASN links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.5).

BP6

Variant 17-82088144-C-T is Benign according to our data. Variant chr17-82088144-C-T is described in ClinVar as Benign. ClinVar VariationId is 462029.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=1.1 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FASN	NM_004104.5 link	c.2757G>A	p.Leu919Leu	synonymous_variant	Exon 17 of 43	ENST00000306749.4	NP_004095.4	P49327
FASN	XM_011523538.3 link	c.2757G>A	p.Leu919Leu	synonymous_variant	Exon 17 of 43		XP_011521840.1	P49327

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FASN	ENST00000306749.4 link	c.2757G>A	p.Leu919Leu	synonymous_variant	Exon 17 of 43	1	NM_004104.5	ENSP00000304592.2		P49327
FASN	ENST00000634990.1 link	c.2757G>A	p.Leu919Leu	synonymous_variant	Exon 17 of 43	5		ENSP00000488964.1		A0A0U1RQF0

Frequencies

GnomAD3 genomes

AF:

0.000394

AC:

AN:

152238

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00196

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:

0.000368

Gnomad OTH

AF:

0.000957

GnomAD2 exomes

AF:

0.000384

AC:

AN:

249810

AF XY:

0.000406

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00133

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000400

Gnomad OTH exome

AF:

0.000822

GnomAD4 exome

AF:

0.000498

AC:

728

AN:

1460466

Hom.:

Cov.:

AF XY:

0.000457

AC XY:

332

AN XY:

726530

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33480

American (AMR)

AF:

0.00141

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.0000192

AC:

AN:

52070

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000561

AC:

624

AN:

1111964

Other (OTH)

AF:

0.000629

AC:

AN:

60376

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

102

154

205

256

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

120

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000394

AC:

AN:

152356

Hom.:

Cov.:

AF XY:

0.000416

AC XY:

AN XY:

74506

show subpopulations

African (AFR)

AF:

0.0000721

AC:

AN:

41584

American (AMR)

AF:

0.00196

AC:

AN:

15314

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000368

AC:

AN:

68018

Other (OTH)

AF:

0.000947

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.488

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000279

Hom.:

Bravo

AF:

0.000563

EpiCase

AF:

0.000218

EpiControl

AF:

0.000415

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

FASN-related disorder

Benign:1

Mar 07, 2019

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This 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). -

Epileptic encephalopathy

Benign:1

Jan 06, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.50

CADD

Benign

0.81

(source)

DANN

Benign

0.43

PhyloP100

1.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over