NM_032638.5(GATA2):c.902C>G (p.Thr301Arg) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: May 31, 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:: RCV001991314.6

Allele description [Variation Report for NM_032638.5(GATA2):c.902C>G (p.Thr301Arg)]

NM_032638.5(GATA2):c.902C>G (p.Thr301Arg)

Gene:

GATA2:GATA binding protein 2 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

3q21.3

Genomic location:

Preferred name:

NM_032638.5(GATA2):c.902C>G (p.Thr301Arg)

HGVS:

NC_000003.12:g.128483975G>C
NG_029334.1:g.14213C>G
NM_001145661.2:c.902C>G
NM_001145662.1:c.902C>G
NM_032638.5:c.902C>GMANE SELECT
NP_001139133.1:p.Thr301Arg
NP_001139134.1:p.Thr301Arg
NP_116027.2:p.Thr301Arg
LRG_295:g.14213C>G
NC_000003.11:g.128202818G>C

Protein change:

T301R

Links:

dbSNP: rs1559986113

NCBI 1000 Genomes Browser:

rs1559986113

Molecular consequence:

NM_001145661.2:c.902C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001145662.1:c.902C>G - missense variant - [Sequence Ontology: SO:0001583]
NM_032638.5:c.902C>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Deafness-lymphedema-leukemia syndrome
Synonyms:: Lymphedema, primary, with myelodysplasia; Emberger syndrome
Identifiers:: MONDO: MONDO:0013540; MedGen: C3279664; Orphanet: 3226; OMIM: 614038

Name:: Monocytopenia with susceptibility to infections
Synonyms:: MONOCYTOPENIA AND MYCOBACTERIAL INFECTION SYNDROME; MONOCYTOPENIA WITH SUSCEPTIBILITY TO MYCOBACTERIAL, FUNGAL, AND PAPILLOMAVIRUS INFECTIONS AND MYELODYSPLASIA; COMBINED IMMUNODEFICIENCY WITH SUSCEPTIBILITY TO MYCOBACTERIAL, VIRAL, AND FUNGAL INFECTIONS; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0013607; MedGen: C3280030; Orphanet: 228423; OMIM: 614172

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002283323	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (May 31, 2021)	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

SCV002283323

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(May 31, 2021)

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, SCV002283323.3

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

Description

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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt GATA2 protein function. This variant has not been reported in the literature in individuals with GATA2-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces threonine with arginine at codon 301 of the GATA2 protein (p.Thr301Arg). The threonine residue is moderately conserved and there is a moderate physicochemical difference between threonine and arginine.

#	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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