X-153930103-TCTC-T

Variant names:

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 1P and 5B. PM4_SupportingBS1_SupportingBS2

The NM_003491.4(NAA10):c.589_591delGAG(p.Glu197del) variant causes a conservative inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000248 in 1,208,231 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 10 hemizygotes in GnomAD. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.0000091 ( 0 hom., 0 hem., cov: 22)

Exomes 𝑓: 0.000026 ( 0 hom. 10 hem. )

Consequence

NAA10
NM_003491.4 conservative_inframe_deletion

Scores

Not classified

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 3.07

Variant links:

Genes affected

NAA10 (HGNC:18704): (N-alpha-acetyltransferase 10, NatA catalytic subunit) N-alpha-acetylation is among the most common post-translational protein modifications in eukaryotic cells. This process involves the transfer of an acetyl group from acetyl-coenzyme A to the alpha-amino group on a nascent polypeptide and is essential for normal cell function. This gene encodes an N-terminal acetyltransferase that functions as the catalytic subunit of the major amino-terminal acetyltransferase A complex. Mutations in this gene are the cause of Ogden syndrome. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Jan 2012]

NAA10 links:

ARHGAP4 (HGNC:674): (Rho GTPase activating protein 4) This gene encodes a member of the rhoGAP family of proteins which play a role in the regulation of small GTP-binding proteins belonging to the RAS superfamily. The protein encoded by the orthologous gene in rat is localized to the Golgi complex and can redistribute to microtubules. The rat protein stimulates the activity of some Rho GTPases in vitro. Genomic deletions of this gene and a neighboring gene have been found in patients with nephrogenic diabetes insipidus. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2009]

ARHGAP4 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM4

Nonframeshift variant in NON repetitive region in NM_003491.4. Strenght limited to Supporting due to length of the change: 1aa.

BS1

Variant frequency is greater than expected in population amr. gnomad4_exome allele frequency = 0.0000264 (29/1098102) while in subpopulation AMR AF= 0.0000568 (2/35207). AF 95% confidence interval is 0.0000204. There are 0 homozygotes in gnomad4_exome. There are 10 alleles in male gnomad4_exome subpopulation. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

BS2

High Hemizygotes in GnomAdExome4 at 10 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NAA10	NM_003491.4 link	c.589_591delGAG	p.Glu197del	conservative_inframe_deletion	Exon 8 of 8	ENST00000464845.6	NP_003482.1	P41227-1
NAA10	NM_001256120.2 link	c.571_573delGAG	p.Glu191del	conservative_inframe_deletion	Exon 8 of 8		NP_001243049.1	B7Z9N2
NAA10	NM_001256119.2 link	c.544_546delGAG	p.Glu182del	conservative_inframe_deletion	Exon 7 of 7		NP_001243048.1	P41227-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NAA10	ENST00000464845.6 link	c.589_591delGAG	p.Glu197del	conservative_inframe_deletion	Exon 8 of 8	1	NM_003491.4	ENSP00000417763.1		P41227-1

Frequencies

GnomAD3 genomes

AF:

0.00000908

AC:

AN:

110129

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

32413

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000190

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000109

AC:

AN:

183066

Hom.:

AF XY:

0.00

AC XY:

AN XY:

67552

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000365

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:

0.000221

GnomAD4 exome

AF:

0.0000264

AC:

AN:

1098102

Hom.:

AF XY:

0.0000275

AC XY:

AN XY:

363460

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000568

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.0000494

Gnomad4 NFE exome

AF:

0.0000297

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000908

AC:

AN:

110129

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

32413

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000190

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000756

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:3

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Uncertain:2

Jun 10, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant, c.589_591del, results in the deletion of 1 amino acid(s) of the NAA10 protein (p.Glu197del), but otherwise preserves the integrity of the reading frame. This variant is present in population databases (rs782519196, gnomAD 0.004%). This variant has not been reported in the literature in individuals affected with NAA10-related conditions. ClinVar contains an entry for this variant (Variation ID: 1423171). Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Jan 19, 2023

GeneDx

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

In-frame deletion of 1 amino acid in a non-repeat region; In silico analysis supports a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

NAA10-related disorder

Uncertain:1

Nov 03, 2022

PreventionGenetics, part of Exact Sciences

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The NAA10 c.589_591delGAG variant is predicted to result in an in-frame deletion (p.Glu197del). To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.0036% of alleles in individuals of Latino descent in gnomAD (http://gnomad.broadinstitute.org/variant/X-153195556-TCTC-T). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over