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GeneBe

8-132722109-C-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001382403.1(TMEM71):c.683G>T(p.Arg228Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000174 in 1,612,734 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/17 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

TMEM71
NM_001382403.1 missense

Scores

1
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.510
Variant links:
Genes affected
TMEM71 (HGNC:26572): (transmembrane protein 71) Located in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.044074535).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TMEM71NM_001382403.1 linkuse as main transcriptc.683G>T p.Arg228Met missense_variant 7/10 ENST00000677595.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TMEM71ENST00000677595.1 linkuse as main transcriptc.683G>T p.Arg228Met missense_variant 7/10 NM_001382403.1 P1Q6P5X7-1
ENST00000666760.1 linkuse as main transcriptn.2292C>A non_coding_transcript_exon_variant 2/2

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151890
Hom.:
0
Cov.:
31
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:
0.000386
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000557
AC:
14
AN:
251378
Hom.:
0
AF XY:
0.0000442
AC XY:
6
AN XY:
135874
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000761
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000178
AC:
26
AN:
1460844
Hom.:
0
Cov.:
30
AF XY:
0.0000165
AC XY:
12
AN XY:
726834
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000655
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151890
Hom.:
0
Cov.:
31
AF XY:
0.0000270
AC XY:
2
AN XY:
74148
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000386
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113
ExAC
AF:
0.0000247
AC:
3

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 GeneticsJan 17, 2024The c.626G>T (p.R209M) alteration is located in exon 7 (coding exon 6) of the TMEM71 gene. This alteration results from a G to T substitution at nucleotide position 626, causing the arginine (R) at amino acid position 209 to be replaced by a methionine (M). 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
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.33
Cadd
Benign
17
Dann
Benign
0.76
Eigen
Benign
-0.59
Eigen_PC
Benign
-0.62
FATHMM_MKL
Benign
0.073
N
LIST_S2
Benign
0.31
T;T;T
M_CAP
Benign
0.0029
T
MetaRNN
Benign
0.044
T;T;T
MetaSVM
Benign
-1.1
T
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.30
T
PROVEAN
Benign
-0.32
N;N;N
REVEL
Benign
0.074
Sift
Benign
0.050
D;D;D
Sift4G
Uncertain
0.049
D;D;D
Polyphen
0.68, 0.37
.;P;B
Vest4
0.24
MutPred
0.29
Gain of catalytic residue at R228 (P = 0.0494);.;.;
MVP
0.20
MPC
0.085
ClinPred
0.063
T
GERP RS
2.9
gMVP
0.23

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: rs753555528; hg19: chr8-133734355; API