rs201430951
Variant summary
Our verdict is Pathogenic. The variant received 10 ACMG points: 10P and 0B. PP3_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
Publications
- mitochondrial complex I deficiency, nuclear type 21Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae)
 - Leigh syndromeInheritance: AR Classification: MODERATE Submitted by: ClinGen
 - mitochondrial complex I deficiencyInheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
 
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ACMG classification
Our verdict: Pathogenic. The variant received 10 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes   AF:  0.0000460  AC: 7AN: 152196Hom.:  0  Cov.: 32 show subpopulations 
GnomAD2 exomes  AF:  0.000152  AC: 38AN: 249216 AF XY:  0.000200   show subpopulations 
GnomAD4 exome  AF:  0.000212  AC: 309AN: 1459844Hom.:  0  Cov.: 29 AF XY:  0.000212  AC XY: 154AN XY: 726358 show subpopulations 
Age Distribution
GnomAD4 genome   AF:  0.0000460  AC: 7AN: 152196Hom.:  0  Cov.: 32 AF XY:  0.0000672  AC XY: 5AN XY: 74354 show subpopulations 
Age Distribution
ClinVar
Submissions by phenotype
not provided    Pathogenic:3 
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. -
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) -
Mitochondrial complex I deficiency, nuclear type 21    Pathogenic:3 
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Complex I deficiency. Found as compound heterozygous with c.726C>G (p.Phe242Leu). -
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