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GeneBe

X-119872018-G-A

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_ModerateBP6_ModerateBS2

The NM_004541.4(NDUFA1):c.102+5G>A variant causes a splice donor 5th base, intron change. The variant allele was found at a frequency of 0.000024 in 1,206,250 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 8 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00013 ( 0 hom., 3 hem., cov: 24)
Exomes 𝑓: 0.000013 ( 0 hom. 5 hem. )

Consequence

NDUFA1
NM_004541.4 splice_donor_5th_base, intron

Scores

2
Splicing: ADA: 0.9131
2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 5.39
Variant links:
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.42).
BP6
Variant X-119872018-G-A is Benign according to our data. Variant chrX-119872018-G-A is described in ClinVar as [Benign]. Clinvar id is 2184789.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Hemizygotes in GnomAd at 3 XL gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NDUFA1NM_004541.4 linkuse as main transcriptc.102+5G>A splice_donor_5th_base_variant, intron_variant ENST00000371437.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NDUFA1ENST00000371437.5 linkuse as main transcriptc.102+5G>A splice_donor_5th_base_variant, intron_variant 1 NM_004541.4 P1

Frequencies

GnomAD3 genomes
AF:
0.000124
AC:
14
AN:
113071
Hom.:
0
Cov.:
24
AF XY:
0.0000852
AC XY:
3
AN XY:
35207
show subpopulations
Gnomad AFR
AF:
0.000385
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000926
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000657
GnomAD3 exomes
AF:
0.0000274
AC:
5
AN:
182815
Hom.:
0
AF XY:
0.0000296
AC XY:
2
AN XY:
67489
show subpopulations
Gnomad AFR exome
AF:
0.000380
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000128
AC:
14
AN:
1093127
Hom.:
0
Cov.:
30
AF XY:
0.0000139
AC XY:
5
AN XY:
358671
show subpopulations
Gnomad4 AFR exome
AF:
0.000456
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000435
GnomAD4 genome
AF:
0.000133
AC:
15
AN:
113123
Hom.:
0
Cov.:
24
AF XY:
0.0000851
AC XY:
3
AN XY:
35269
show subpopulations
Gnomad4 AFR
AF:
0.000416
Gnomad4 AMR
AF:
0.0000925
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000649
Alfa
AF:
0.000142
Hom.:
1
Bravo
AF:
0.000102

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeApr 03, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.42
Cadd
Benign
14
Dann
Benign
0.87
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.91
dbscSNV1_RF
Benign
0.65
SpliceAI score (max)
0.10
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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs752544534; hg19: chrX-119005981; API