5-175513519-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_022754.7(SFXN1):​c.653C>T​(p.Ser218Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000502 in 1,613,668 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000053 ( 0 hom. )

Consequence

SFXN1
NM_022754.7 missense

Scores

8
7
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.63
Variant links:
Genes affected
SFXN1 (HGNC:16085): (sideroflexin 1) Enables D-serine transmembrane transporter activity and L-serine transmembrane transporter activity. Involved in D-serine transport; L-serine transport; and serine import into mitochondrion. Located in mitochondrion. Is integral component of mitochondrial inner membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.99

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SFXN1NM_022754.7 linkuse as main transcriptc.653C>T p.Ser218Leu missense_variant 7/11 ENST00000321442.10 NP_073591.2 Q9H9B4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SFXN1ENST00000321442.10 linkuse as main transcriptc.653C>T p.Ser218Leu missense_variant 7/111 NM_022754.7 ENSP00000316905.5 Q9H9B4

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
151954
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000242
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
251476
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135914
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:
0.0000352
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000527
AC:
77
AN:
1461714
Hom.:
0
Cov.:
31
AF XY:
0.0000564
AC XY:
41
AN XY:
727166
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:
0.0000684
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
151954
Hom.:
0
Cov.:
31
AF XY:
0.0000135
AC XY:
1
AN XY:
74174
show subpopulations
Gnomad4 AFR
AF:
0.0000242
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:
0.0000441
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000579
Hom.:
0
Bravo
AF:
0.0000340
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

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 GeneticsFeb 23, 2023The c.653C>T (p.S218L) alteration is located in exon 7 (coding exon 6) of the SFXN1 gene. This alteration results from a C to T substitution at nucleotide position 653, causing the serine (S) at amino acid position 218 to be replaced by a leucine (L). 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
0.94
BayesDel_addAF
Pathogenic
0.25
D
BayesDel_noAF
Pathogenic
0.23
CADD
Pathogenic
26
DANN
Uncertain
0.99
DEOGEN2
Benign
0.40
T
Eigen
Benign
0.14
Eigen_PC
Benign
-0.0087
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.91
D
M_CAP
Uncertain
0.12
D
MetaRNN
Pathogenic
0.99
D
MetaSVM
Uncertain
-0.16
T
MutationAssessor
Pathogenic
4.1
H
PrimateAI
Uncertain
0.55
T
PROVEAN
Pathogenic
-5.9
D
REVEL
Uncertain
0.61
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
0.77
P
Vest4
0.97
MutPred
0.91
Loss of disorder (P = 0.0292);
MVP
0.82
MPC
0.73
ClinPred
1.0
D
GERP RS
4.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.92
gMVP
0.97

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: rs769702628; hg19: chr5-174940522; COSMIC: COSV58492024; COSMIC: COSV58492024; API