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Standard

NFU1 iron-sulfur cluster scaffold homolog, mitochondrial levels

NFU1 · rs74637005

Strength of the evidence

3 / 4

Its strongest genetic-study result is p = 10−105, with 2 associations in the GWAS Catalog.

How this is scored

4: ClinVar disease-causing, reviewed by an expert panel or a guideline (3–4 stars). 3: ClinVar, several labs agreeing (2 stars), or a genetic study at p ≤ 10−50. 2: ClinVar from one lab (1 star), or p ≤ 10−20. 1: ClinVar submitted without criteria (0 stars), or genome-wide significance (p ≤ 5×10−8). The higher of the two counts. It says how solid the evidence is, not whether it matters for a particular person.

What the study found

Who was studied 10,708 European ancestry individuals.

The effect Each copy of the A allele shifted the measure 0.766 lower (95% confidence interval 0.7-0.83); p = 6 × 10−106.

How common The A allele had a frequency of about 4% in the people studied.

Where it sits Chromosome 2, band 2p13.3 — a missense change in NFU1.

What ClinVar records

Classification Benign for Multiple mitochondrial dysfunctions syndrome 1; criteria provided, multiple submitters, no conflicts (2 of 4 stars, 6 submitters), last evaluated 2026-01-27. ClinVar record 138514 NM_001002755.4(NFU1):c.286C>T (p.Arg96Cys)

Change history MyGeneLog™ keeps a copy of every weekly release from 2026-10-19 and compares them. This position's classification has not changed since.

What this is ClinVar's aggregate record for this position (as of its 2026-10-19 release), not a result about you. A classification describes the variant against the condition named, as laboratories submitted it. Whether a person carries this variant, and what that would mean for them, is a question for a clinical test and a genetic counsellor.

How common each version is

AG
Korean Korea4K
A 0.1% · G 99.9%
Korean Korea1K
A 0.2% · G 99.8%
World gnomAD
A 2.2% · G 97.8%
World 1000 Genomes
A 1.2% · G 98.8%
World TOPMed
A 2.3% · G 97.7%

The share of all copies of this position that are each version. Source: the population studies published in dbSNP (US NCBI); each row names its study.

What each result means

A/A Two copies of the version the research linked to NFU1 iron-sulfur cluster scaffold homolog, mitochondrial levels. That is the strongest link of the three results. A link in a study is not a diagnosis.
A/G One copy of the version the research linked to NFU1 iron-sulfur cluster scaffold homolog, mitochondrial levels. That is a smaller link than two copies.
G/G No copy of the version the research linked to NFU1 iron-sulfur cluster scaffold homolog, mitochondrial levels. This is the starting point the study compared everyone against.
Source

Quoting this page

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NFU1 iron-sulfur cluster scaffold homolog, mitochondrial levels (rs74637005). MyGeneLog™. https://www.mygenelog.com/variants/rs74637005

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