chrX-119871933-G-C

Position:

• chrX-119871933-G-C

Variant summary

Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PM2 PP3_Strong PP5

The NM_004541.4(NDUFA1):​c.22G>C​(p.Gly8Arg) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency: Genomes: not found (cov: 25)
• Consequence: NDUFA1 NM_004541.4 missense
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 6.29

Genes affected

NDUFA1 (HGNC:7683): (NADH:ubiquinone oxidoreductase subunit A1) The human NDUFA1 gene codes for an essential component of complex I of the respiratory chain, which transfers electrons from NADH to ubiquinone. It has been noted that the N-terminal hydrophobic domain has the potential to be folded into an alpha-helix spanning the inner mitochondrial membrane with a C-terminal hydrophilic domain interacting with globular subunits of complex I. The highly conserved two-domain structure suggests that this feature is critical for the protein function and might act as an anchor for the NADH:ubiquinone oxidoreductase complex at the inner mitochondrial membrane. However, the NDUFA1 peptide is one of about 31 components of the "hydrophobic protein" (HP) fraction of complex I which is involved in proton translocation. Thus the NDUFA1 peptide may also participate in that function. [provided by RefSeq, Jul 2008]

ACMG classification

Verdict is Likely_pathogenic. Variant got 7 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.984
• PP5: Variant X-119871933-G-C is Pathogenic according to our data. Variant chrX-119871933-G-C is described in ClinVar as [Pathogenic]. Clinvar id is 11648.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
NDUFA1	NM_004541.4	c.22G>C	p.Gly8Arg	missense_variant	1/3	ENST00000371437.5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
NDUFA1	ENST00000371437.5	c.22G>C	p.Gly8Arg	missense_variant	1/3	1	NM_004541.4	P1

Frequencies

GnomAD3 genomes Cov.: 25

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 25

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Mitochondrial complex 1 deficiency, nuclear type 12 Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

Jan 01, 2007

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.83
BayesDel_addAF	Pathogenic	0.44	D
BayesDel_noAF	Pathogenic	0.39
CADD	Benign	17
DANN	Uncertain	0.99
DEOGEN2	Uncertain	0.56	D
FATHMM_MKL	Uncertain	0.85	D
LIST_S2	Benign	0.76	T
M_CAP	Pathogenic	0.64	D
MetaRNN	Pathogenic	0.98	D
MetaSVM	Uncertain	0.28	D
MutationTaster	Benign	1.0	A
PrimateAI	Uncertain	0.59	T
PROVEAN	Pathogenic	-5.3	D
REVEL	Pathogenic	0.76
Sift	Benign	0.13	T
Sift4G	Benign	0.15	T
Polyphen		1.0	D
Vest4		0.81
MutPred		0.78		Gain of solvent accessibility (P = 0.0037);
MVP		0.94
MPC		2.1
ClinPred		0.99	D
GERP RS		5.5
RBP_binding_hub_radar		0.97
RBP_regulation_power_radar		2.9
Varity_R		0.84
gMVP		0.99

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.030		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs104894884; hg19: chrX-119005896;