NM_000052.7(ATP7A):c.2170C>G (p.Gln724Glu) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Jul 14, 2023
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

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:: RCV003790658.3

Allele description [Variation Report for NM_000052.7(ATP7A):c.2170C>G (p.Gln724Glu)]

NM_000052.7(ATP7A):c.2170C>G (p.Gln724Glu)

Gene:

ATP7A:ATPase copper transporting alpha [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

Xq21.1

Genomic location:

Preferred name:

NM_000052.7(ATP7A):c.2170C>G (p.Gln724Glu)

HGVS:

NC_000023.11:g.78011672C>G
NG_013224.2:g.105976C>G
NM_000052.7:c.2170C>GMANE SELECT
NM_001282224.2:c.2170C>G
NP_000043.4:p.Gln724Glu
NP_001269153.1:p.Gln724Glu
NC_000023.10:g.77267169C>G

Protein change:

Q724E

Molecular consequence:

NM_000052.7:c.2170C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001282224.2:c.2170C>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Menkes kinky-hair syndrome (MNK)
Synonyms:: Kinky hair disease; Copper transport disease; Menkes Disease
Identifiers:: MONDO: MONDO:0010651; MedGen: C0022716; Orphanet: 565; OMIM: 309400

Name:: Cutis laxa, X-linked (OHS)
Synonyms:: EDS IX; Occipital horn syndrome; Ehlers-Danlos syndrome, occipital horn type (formerly); See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0010572; MedGen: C0268353; Orphanet: 198; OMIM: 304150

Name:: X-linked distal spinal muscular atrophy type 3
Synonyms:: SPINAL MUSCULAR ATROPHY, DISTAL, X-LINKED RECESSIVE; NEURONOPATHY, DISTAL HEREDITARY MOTOR, X-LINKED; NEUROPATHY, DISTAL HEREDITARY MOTOR, X-LINKED
Identifiers:: MONDO: MONDO:0010338; MedGen: C1845359; Orphanet: 139557; OMIM: 300489

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Homo sapiens mitogen-activated protein kinase-activated protein kinase 2 (MAPKAPK2), transcript variant 2, mRNA
gi|14589903|ref|NM_032960.1|

Nucleotide
Homo sapiens MAPK activated protein kinase 2 (MAPKAPK2), transcript variant 1, m...
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gi|1677529898|ref|NM_004759.5|

Nucleotide

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004582451	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jul 14, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV004582451

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jul 14, 2023)

germline

clinical testing

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

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
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, SCV004582451.1

#	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 glutamine, which is neutral and polar, with glutamic acid, which is acidic and polar, at codon 724 of the ATP7A protein (p.Gln724Glu). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with ATP7A-related conditions. 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 tolerated. 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

Last Updated: Sep 29, 2024

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