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NM_002185.5(IL7R):c.340A>G (p.Lys114Glu) AND Immunodeficiency 104

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Sep 1, 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:
RCV000802077.6

Allele description [Variation Report for NM_002185.5(IL7R):c.340A>G (p.Lys114Glu)]

NM_002185.5(IL7R):c.340A>G (p.Lys114Glu)

Gene:
IL7R:interleukin 7 receptor [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
5p13.2
Genomic location:
Preferred name:
NM_002185.5(IL7R):c.340A>G (p.Lys114Glu)
HGVS:
  • NC_000005.10:g.35867424A>G
  • NG_009567.1:g.15536A>G
  • NM_002185.2:c.340A>G
  • NM_002185.5:c.340A>GMANE SELECT
  • NP_002176.2:p.Lys114Glu
  • LRG_74t1:c.340A>G
  • LRG_74:g.15536A>G
  • NC_000005.9:g.35867526A>G
  • NM_002185.3:c.340A>G
  • NR_120485.3:n.427A>G
Protein change:
K114E
Links:
dbSNP: rs771667604
NCBI 1000 Genomes Browser:
rs771667604
Molecular consequence:
  • NM_002185.5:c.340A>G - missense variant - [Sequence Ontology: SO:0001583]
  • NR_120485.3:n.427A>G - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:
Immunodeficiency 104
Synonyms:
SCID, AUTOSOMAL RECESSIVE, T CELL-NEGATIVE, B CELL-POSITIVE, NK CELL-POSITIVE; Severe combined immunodeficiency, autosomal recessive, T cell-negative, B cell-positive, NK cell-positive; IMMUNODEFICIENCY 104, SEVERE COMBINED; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0012163; MedGen: C5676890; OMIM: 608971

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000941891Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Sep 1, 2021) 		germlineclinical testing

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

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical 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, SCV000941891.3

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

This sequence change replaces lysine with glutamic acid at codon 114 of the IL7R protein (p.Lys114Glu). The lysine residue is highly conserved and there is a small physicochemical difference between lysine and glutamic acid. This variant is present in population databases (rs771667604, ExAC 0.02%). This variant has not been reported in the literature in individuals affected with IL7R-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The glutamic acid amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Sep 29, 2024