chr3-33093582-T-C
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Variant summary
Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate
The NM_001039770.3(TMPPE):āc.614A>Gā(p.Asn205Ser) variant causes a missense change. The variant allele was found at a frequency of 0.0000173 in 1,614,054 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā ).
Frequency
Genomes: š 0.000013 ( 0 hom., cov: 33)
Exomes š: 0.000018 ( 0 hom. )
Consequence
TMPPE
NM_001039770.3 missense
NM_001039770.3 missense
Scores
3
14
Clinical Significance
Conservation
PhyloP100: 4.72
Genes affected
TMPPE (HGNC:33865): (transmembrane protein with metallophosphoesterase domain) Predicted to enable hydrolase activity and metal ion binding activity. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]
GLB1 (HGNC:4298): (galactosidase beta 1) This gene encodes a member of the glycosyl hydrolase 35 family of proteins. Alternative splicing results in multiple transcript variants, at least one of which encodes a preproprotein that is proteolytically processed to generate the mature lysosomal enzyme. This enzyme catalyzes the hydrolysis of a terminal beta-linked galactose residue from ganglioside substrates and other glycoconjugates. Mutations in this gene may result in GM1-gangliosidosis and Morquio B syndrome. [provided by RefSeq, Nov 2015]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 0 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.14015415).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
TMPPE | NM_001039770.3 | c.614A>G | p.Asn205Ser | missense_variant | 2/2 | ENST00000342462.5 | |
GLB1 | NM_000404.4 | c.75+3429A>G | intron_variant | ENST00000307363.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
TMPPE | ENST00000342462.5 | c.614A>G | p.Asn205Ser | missense_variant | 2/2 | 2 | NM_001039770.3 | P1 | |
GLB1 | ENST00000307363.10 | c.75+3429A>G | intron_variant | 1 | NM_000404.4 | P2 |
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152190Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.0000119 AC: 3AN: 251184Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135764
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GnomAD4 exome AF: 0.0000178 AC: 26AN: 1461864Hom.: 0 Cov.: 32 AF XY: 0.0000179 AC XY: 13AN XY: 727236
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GnomAD4 genome AF: 0.0000131 AC: 2AN: 152190Hom.: 0 Cov.: 33 AF XY: 0.0000134 AC XY: 1AN XY: 74354
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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 submitter | clinical testing | Ambry Genetics | Feb 06, 2023 | The c.614A>G (p.N205S) alteration is located in exon 2 (coding exon 1) of the TMPPE gene. This alteration results from a A to G substitution at nucleotide position 614, causing the asparagine (N) at amino acid position 205 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Uncertain
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Uncertain
D;D
M_CAP
Benign
T
MetaRNN
Benign
T;T
MetaSVM
Benign
T
MutationTaster
Benign
D;D;D;D;N;N
PrimateAI
Benign
T
PROVEAN
Benign
N;N
REVEL
Benign
Sift
Benign
T;T
Sift4G
Benign
T;T
Polyphen
0.025
.;B
Vest4
MutPred
0.34
.;Loss of methylation at K208 (P = 0.1699);
MVP
MPC
0.27
ClinPred
T
GERP RS
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Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at