rs201430951
Variant summary
Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PM2PP3_ModeratePP5_Very_Strong
The NM_025152.3(NUBPL):c.311T>C(p.Leu104Pro) variant causes a missense change. The variant allele was found at a frequency of 0.000196 in 1,612,040 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 Likely pathogenic (★★).
Frequency
Consequence
NM_025152.3 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Pathogenic. Variant got 12 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000460 AC: 7AN: 152196Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.000152 AC: 38AN: 249216Hom.: 0 AF XY: 0.000200 AC XY: 27AN XY: 135238
GnomAD4 exome AF: 0.000212 AC: 309AN: 1459844Hom.: 0 Cov.: 29 AF XY: 0.000212 AC XY: 154AN XY: 726358
GnomAD4 genome AF: 0.0000460 AC: 7AN: 152196Hom.: 0 Cov.: 32 AF XY: 0.0000672 AC XY: 5AN XY: 74354
ClinVar
Submissions by phenotype
Mitochondrial complex 1 deficiency, nuclear type 21 Pathogenic:3
Complex I deficiency. Found as compound heterozygous with c.726C>G (p.Phe242Leu). -
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not provided Pathogenic:3
PP3, PM2_moderate, PM3_strong, PS3 -
Published functional studies demonstrate a damaging effect, as expression of this variant in E. coli found that it is associated with reduced protein expression and reduced complex I activity and oxidoreductase activity (PMID: 29982452); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 25356970, 29982452, 30897263, 31787496, 32518176, 26633545) -
This sequence change replaces leucine, which is neutral and non-polar, with proline, which is neutral and non-polar, at codon 104 of the NUBPL protein (p.Leu104Pro). This variant is present in population databases (rs201430951, gnomAD 0.04%). This missense change has been observed in individuals with clinical features of mitochondrial complex I deficiency (PMID: 25356970, 30897263, 31787496, 32518176). It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 209179). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive. Experimental studies have shown that this missense change affects NUBPL function (PMID: 29982452). For these reasons, this variant has been classified as Pathogenic. -
Mitochondrial complex I deficiency Pathogenic:1
Likely pathogenicity based on finding it once in our laboratory in trans with a pathogenic variant (c.[166G>A;815-27T>C]) in an 18-year-old male with mitochondrial disease -
Inborn genetic diseases Pathogenic:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at