Genetic Variant NM_000639.3:c.137C>A (chr1-172659338-C-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_000639.3(FASLG):c.137C>A(p.Pro46Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,460,574 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 variant affecting the same amino acid position, but resulting in a different missense (i.e. P46L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

FASLG
NM_000639.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.25

Publications

2 publications found

Variant links:

Genes affected

FASLG (HGNC:11936): (Fas ligand) This gene is a member of the tumor necrosis factor superfamily. The primary function of the encoded transmembrane protein is the induction of apoptosis triggered by binding to FAS. The FAS/FASLG signaling pathway is essential for immune system regulation, including activation-induced cell death (AICD) of T cells and cytotoxic T lymphocyte induced cell death. It has also been implicated in the progression of several cancers. Defects in this gene may be related to some cases of systemic lupus erythematosus (SLE). Alternatively spliced transcript variants have been described. [provided by RefSeq, Nov 2014]

FASLG Gene-Disease associations (from GenCC):

autoimmune lymphoproliferative syndrome type 1
Inheritance: AR, AD Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, Ambry Genetics
autoimmune lymphoproliferative syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

FASLG links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.2243559).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000639.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FASLG	NM_000639.3	MANE Select	c.137C>A	p.Pro46Gln	missense	Exon 1 of 4	NP_000630.1	P48023-1
	FASLG	NM_001302746.2		c.137C>A	p.Pro46Gln	missense	Exon 1 of 3	NP_001289675.1	P48023-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
FASLG	ENST00000367721.3	TSL:1 MANE Select	c.137C>A	p.Pro46Gln	missense	Exon 1 of 4	ENSP00000356694.2	P48023-1
FASLG	ENST00000340030.4	TSL:1	c.137C>A	p.Pro46Gln	missense	Exon 1 of 3	ENSP00000344739.3	P48023-2
FASLG	ENST00000875216.1		c.137C>A	p.Pro46Gln	missense	Exon 1 of 4	ENSP00000545275.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1460574

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726518

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.00

AC:

AN:

44650

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26110

East Asian (EAS)

AF:

0.00

AC:

AN:

39652

South Asian (SAS)

AF:

0.00

AC:

AN:

86170

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52936

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5696

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1111620

Other (OTH)

AF:

0.00

AC:

AN:

60270

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.16

BayesDel_addAF

Benign

-0.085

BayesDel_noAF

Benign

-0.36

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.32

Eigen

Benign

-0.12

Eigen_PC

Benign

-0.24

FATHMM_MKL

Benign

0.20

LIST_S2

Benign

0.75

M_CAP

Benign

0.019

MetaRNN

Benign

0.22

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.5

PhyloP100

2.2

PrimateAI

Uncertain

0.68

PROVEAN

Benign

-0.46

REVEL

Benign

0.083

Sift

Benign

0.45

Sift4G

Uncertain

0.0020

Polyphen

0.98

Vest4

0.43

MutPred

0.34

Loss of glycosylation at P46 (P = 0.0011)

MVP

0.53

MPC

0.55

ClinPred

0.68

GERP RS

3.6

PromoterAI

0.012

Neutral

(source)

Varity_R

0.039

gMVP

0.14

Mutation Taster

=90/10

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over