20-62138241-T-G
Variant summary
Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3
The NM_002792.4(PSMA7):c.521A>C(p.Lys174Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,248 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 0.0000066 ( 0 hom., cov: 34)
Consequence
PSMA7
NM_002792.4 missense
NM_002792.4 missense
Scores
8
9
2
Clinical Significance
Conservation
PhyloP100: 7.67
Genes affected
PSMA7 (HGNC:9536): (proteasome 20S subunit alpha 7) The 26S proteasome is a multicatalytic proteinase complex with a highly ordered structure composed of 2 complexes, a 20S core and a 19S regulator. The 20S core is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. This gene encodes a member of the peptidase T1A family that functions as a 20S core alpha subunit. The encoded protein interacts with the hepatitis B virus X protein and plays a role in regulating hepatitis C virus internal ribosome entry site (IRES) activity, an activity essential for viral replication. The encoded protein also plays a role in the cellular stress response by regulating hypoxia-inducible factor-1alpha. A pseudogene of this gene is located on the long arm of chromosome 9. [provided by RefSeq, Jul 2012]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 3 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
PP3
?
MetaRNN computational evidence supports a deleterious effect, 0.785
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
PSMA7 | NM_002792.4 | c.521A>C | p.Lys174Thr | missense_variant | 5/7 | ENST00000370873.9 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
PSMA7 | ENST00000370873.9 | c.521A>C | p.Lys174Thr | missense_variant | 5/7 | 1 | NM_002792.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.00000657 AC: 1AN: 152248Hom.: 0 Cov.: 34
GnomAD3 genomes
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GnomAD4 exome Cov.: 30
GnomAD4 exome
Cov.:
30
GnomAD4 genome ? AF: 0.00000657 AC: 1AN: 152248Hom.: 0 Cov.: 34 AF XY: 0.00 AC XY: 0AN XY: 74380
GnomAD4 genome
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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 | Nov 14, 2023 | The c.521A>C (p.K174T) alteration is located in exon 5 (coding exon 5) of the PSMA7 gene. This alteration results from a A to C substitution at nucleotide position 521, causing the lysine (K) at amino acid position 174 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Uncertain
Cadd
Pathogenic
Dann
Uncertain
DEOGEN2
Benign
T;.
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Pathogenic
D;D
M_CAP
Uncertain
D
MetaRNN
Pathogenic
D;D
MetaSVM
Uncertain
T
MutationAssessor
Pathogenic
M;.
MutationTaster
Benign
D;D
PrimateAI
Pathogenic
D
PROVEAN
Pathogenic
D;D
REVEL
Uncertain
Sift
Pathogenic
D;D
Sift4G
Uncertain
D;D
Polyphen
B;.
Vest4
MutPred
Loss of ubiquitination at K174 (P = 0.0161);.;
MVP
MPC
ClinPred
D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at