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GeneBe

3-158809220-C-T

Variant summary

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

The NM_022736.4(MFSD1):c.482C>T(p.Ala161Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000018 in 1,606,778 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A161T) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000067 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

MFSD1
NM_022736.4 missense

Scores

3
8
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.73
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]

Genome browser will be placed here

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.482C>T p.Ala161Val missense_variant 6/16 ENST00000415822.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MFSD1ENST00000415822.8 linkuse as main transcriptc.482C>T p.Ala161Val missense_variant 6/161 NM_022736.4 P2Q9H3U5-1

Frequencies

GnomAD3 genomes
AF:
0.00000666
AC:
1
AN:
150172
Hom.:
0
Cov.:
32
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
GnomAD3 exomes
AF:
0.00000805
AC:
2
AN:
248308
Hom.:
0
AF XY:
0.00000745
AC XY:
1
AN XY:
134252
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:
0.0000177
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000192
AC:
28
AN:
1456606
Hom.:
0
Cov.:
32
AF XY:
0.0000193
AC XY:
14
AN XY:
724648
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:
0.0000225
Gnomad4 OTH exome
AF:
0.0000499
GnomAD4 genome
AF:
0.00000666
AC:
1
AN:
150172
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
73112
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
Alfa
AF:
0.0000710
Hom.:
0
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1

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 GeneticsApr 26, 2023The c.629C>T (p.A210V) alteration is located in exon 6 (coding exon 6) of the MFSD1 gene. This alteration results from a C to T substitution at nucleotide position 629, causing the alanine (A) at amino acid position 210 to be replaced by a valine (V). 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
0.68
BayesDel_addAF
Pathogenic
0.21
D
BayesDel_noAF
Uncertain
0.080
Cadd
Pathogenic
30
Dann
Uncertain
1.0
Eigen
Uncertain
0.28
Eigen_PC
Uncertain
0.35
FATHMM_MKL
Uncertain
0.93
D
M_CAP
Benign
0.020
T
MetaRNN
Uncertain
0.61
D;D;D;D;D
MetaSVM
Benign
-0.87
T
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.87
D
PROVEAN
Uncertain
-3.6
D;.;D;D;D
REVEL
Uncertain
0.38
Sift
Benign
0.28
T;.;T;T;T
Sift4G
Benign
0.077
T;T;T;T;T
Polyphen
0.91
.;.;.;P;.
Vest4
0.86
MVP
0.66
MPC
0.21
ClinPred
0.94
D
GERP RS
4.7
Varity_R
0.54
gMVP
0.83

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: rs375912580; hg19: chr3-158527009; API