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NM_000162.5(GCK):c.1349C>T (p.Ala450Val) AND not provided

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Oct 7, 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:
RCV003555320.1

Allele description

NM_000162.5(GCK):c.1349C>T (p.Ala450Val)

Gene:
GCK:glucokinase [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
7p13
Genomic location:
Preferred name:
NM_000162.5(GCK):c.1349C>T (p.Ala450Val)
HGVS:
  • NC_000007.14:g.44145185G>A
  • NG_008847.2:g.57986C>T
  • NM_000162.5:c.1349C>TMANE SELECT
  • NM_001354800.1:c.1349C>T
  • NM_001354801.1:c.338C>T
  • NM_001354802.1:c.209C>T
  • NM_001354803.2:c.383C>T
  • NM_033507.3:c.1352C>T
  • NM_033508.3:c.1346C>T
  • NP_000153.1:p.Ala450Val
  • NP_001341729.1:p.Ala450Val
  • NP_001341730.1:p.Ala113Val
  • NP_001341731.1:p.Ala70Val
  • NP_001341732.1:p.Ala128Val
  • NP_277042.1:p.Ala451Val
  • NP_277043.1:p.Ala449Val
  • LRG_1074t1:c.1349C>T
  • LRG_1074t2:c.1352C>T
  • LRG_1074:g.57986C>T
  • LRG_1074p1:p.Ala450Val
  • LRG_1074p2:p.Ala451Val
  • NC_000007.13:g.44184784G>A
Protein change:
A113V
Molecular consequence:
  • NM_000162.5:c.1349C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001354800.1:c.1349C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001354801.1:c.338C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001354802.1:c.209C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_001354803.2:c.383C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_033507.3:c.1352C>T - missense variant - [Sequence Ontology: SO:0001583]
  • NM_033508.3:c.1346C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:
none provided
Identifiers:
MedGen: C3661900

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV004295119Invitae
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))
Uncertain significance
(Oct 7, 2023)
germlineclinical testing

PubMed (5)
[See all records that cite these PMIDs]

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Doubling the referral rate of monogenic diabetes through a nationwide information campaign--update on glucokinase gene mutations in a Polish cohort.

Borowiec M, Fendler W, Antosik K, Baranowska A, Gnys P, Zmyslowska A, Malecki M, Mlynarski W.

Clin Genet. 2012 Dec;82(6):587-90. doi: 10.1111/j.1399-0004.2011.01803.x. Epub 2011 Dec 30.

PubMed [citation]
PMID:
22035297

Genetic variability of GCKR alters lipid profiles in children with monogenic and autoimmune diabetes.

Tracz A, Madzio J, Gnys P, Malachowska B, Borowiec M, Wyka K, Jarosz-Chobot P, Mysliwiec M, Szadkowska A, Mlynarski W, Fendler W; PolPeDiab Study Group..

Exp Clin Endocrinol Diabetes. 2014 Oct;122(9):503-9. doi: 10.1055/s-0034-1375648. Epub 2014 Jun 11.

PubMed [citation]
PMID:
24918535
See all PubMed Citations (5)

Details of each submission

From Invitae, SCV004295119.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (5)

Description

This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 450 of the GCK protein (p.Ala450Val). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individuals with GCK-related conditions (PMID: 22035297, 24918535, 29207974, 31638168). 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) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on GCK 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: Feb 20, 2024