NM_003924.4(PHOX2B):c.809G>A (p.Gly270Glu) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: May 13, 2021
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:: RCV002418779.2

Allele description [Variation Report for NM_003924.4(PHOX2B):c.809G>A (p.Gly270Glu)]

NM_003924.4(PHOX2B):c.809G>A (p.Gly270Glu)

Gene:

PHOX2B:paired like homeobox 2B [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

4p13

Genomic location:

Preferred name:

NM_003924.4(PHOX2B):c.809G>A (p.Gly270Glu)

HGVS:

NC_000004.12:g.41745943C>T
NG_008243.1:g.8028G>A
NG_053075.1:g.69C>T
NM_003924.4:c.809G>AMANE SELECT
NP_003915.2:p.Gly270Glu
LRG_513t1:c.809G>A
LRG_513:g.8028G>A
NC_000004.11:g.41747960C>T
NM_003924.3:c.809G>A

Protein change:

G270E

Links:

dbSNP: rs1577558821

NCBI 1000 Genomes Browser:

rs1577558821

Molecular consequence:

NM_003924.4:c.809G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Hereditary cancer-predisposing syndrome
Synonyms:: Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002678206	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (May 13, 2021)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002678206

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(May 13, 2021)

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	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From Ambry Genetics, SCV002678206.2

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

Description

The p.G270E variant (also known as c.809G>A), located in coding exon 3 of the PHOX2B gene, results from a G to A substitution at nucleotide position 809. The glycine at codon 270 is replaced by glutamic acid, an amino acid with similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	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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