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GeneBe

3-158805462-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_022736.4(MFSD1):c.317T>C(p.Val106Ala) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000745 in 1,610,358 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000075 ( 0 hom. )

Consequence

MFSD1
NM_022736.4 missense

Scores

3
10
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.71
Variant links:
Genes affected
MFSD1 (HGNC:25874): (major facilitator superfamily domain containing 1) Predicted to enable protein homodimerization activity. Predicted to be involved in protein localization to lysosome and protein stabilization. Predicted to be located in lysosome. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MFSD1NM_022736.4 linkuse as main transcriptc.317T>C p.Val106Ala missense_variant 3/16 ENST00000415822.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MFSD1ENST00000415822.8 linkuse as main transcriptc.317T>C p.Val106Ala missense_variant 3/161 NM_022736.4 P2Q9H3U5-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152154
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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
GnomAD4 exome
AF:
0.00000754
AC:
11
AN:
1458204
Hom.:
0
Cov.:
29
AF XY:
0.00000965
AC XY:
7
AN XY:
725686
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000992
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152154
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74334
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
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
Bravo
AF:
0.00000378

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 11, 2023The c.464T>C (p.V155A) alteration is located in exon 3 (coding exon 3) of the MFSD1 gene. This alteration results from a T to C substitution at nucleotide position 464, causing the valine (V) at amino acid position 155 to be replaced by an alanine (A). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.60
BayesDel_addAF
Uncertain
0.026
T
BayesDel_noAF
Benign
-0.20
Cadd
Pathogenic
27
Dann
Uncertain
1.0
DEOGEN2
Benign
0.11
T;.;.;.;T;.;T
Eigen
Pathogenic
0.78
Eigen_PC
Pathogenic
0.75
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Uncertain
0.90
D;D;.;D;D;D;D
M_CAP
Benign
0.015
T
MetaRNN
Uncertain
0.56
D;D;D;D;D;D;D
MetaSVM
Benign
-0.45
T
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.61
T
PROVEAN
Uncertain
-3.6
D;D;D;.;D;D;D
REVEL
Uncertain
0.30
Sift
Uncertain
0.019
D;D;D;.;D;D;D
Sift4G
Uncertain
0.0040
D;D;D;D;D;D;D
Polyphen
0.92
.;.;.;.;P;.;.
Vest4
0.71, 0.71
MutPred
0.57
.;.;.;.;Loss of stability (P = 0.0044);.;.;
MVP
0.52
MPC
0.24
ClinPred
0.98
D
GERP RS
5.6
Varity_R
0.46
gMVP
0.63

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: rs1729678449; hg19: chr3-158523251; COSMIC: COSV51840681; COSMIC: COSV51840681; API