NM_001008537.3(NEXMIF):c.685G>T (p.Asp229Tyr) AND not provided

Germline classification:: Conflicting interpretations of pathogenicity (2 submissions)
Last evaluated:: Jan 3, 2024
Review status:: criteria provided, conflicting classifications

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV001352055.12

Allele description [Variation Report for NM_001008537.3(NEXMIF):c.685G>T (p.Asp229Tyr)]

NM_001008537.3(NEXMIF):c.685G>T (p.Asp229Tyr)

Gene:

NEXMIF:neurite extension and migration factor [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

Xq13.3

Genomic location:

Preferred name:

NM_001008537.3(NEXMIF):c.685G>T (p.Asp229Tyr)

HGVS:

NC_000023.11:g.74743872C>A
NG_027726.1:g.186581G>T
NM_001008537.3:c.685G>TMANE SELECT
NP_001008537.1:p.Asp229Tyr
NC_000023.10:g.73963707C>A
NM_001008537.1:c.685G>T

Protein change:

D229Y

Links:

dbSNP: rs139459124

NCBI 1000 Genomes Browser:

rs139459124

Molecular consequence:

NM_001008537.3:c.685G>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001546580	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jan 3, 2024)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001844724	GeneDx	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	Benign (Mar 11, 2020)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001546580

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jan 3, 2024)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

SCV001844724

GeneDx

criteria provided, single submitter

(GeneDx Variant Classification Process June 2021)

Benign
(Mar 11, 2020)

germline

clinical testing

Citation Link

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group, Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV001546580.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

This sequence change replaces aspartic acid, which is acidic and polar, with tyrosine, which is neutral and polar, at codon 229 of the NEXMIF protein (p.Asp229Tyr). This variant is present in population databases (rs139459124, gnomAD 0.02%), including at least one homozygous and/or hemizygous individual. This variant has not been reported in the literature in individuals affected with NEXMIF-related conditions. ClinVar contains an entry for this variant (Variation ID: 1047354). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. 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.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From GeneDx, SCV001844724.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Has not been previously published as pathogenic or benign to our knowledge

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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