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NM_145649.5(GCNT2):c.14G>A (p.Trp5Ter) AND GCNT2-related disorder

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
May 10, 2024
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
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:
RCV004756226.1

Allele description [Variation Report for NM_145649.5(GCNT2):c.14G>A (p.Trp5Ter)]

NM_145649.5(GCNT2):c.14G>A (p.Trp5Ter)

Gene:
GCNT2:glucosaminyl (N-acetyl) transferase 2 (I blood group) [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
6p24.3
Genomic location:
Preferred name:
NM_145649.5(GCNT2):c.14G>A (p.Trp5Ter)
HGVS:
  • NC_000006.12:g.10528925G>A
  • NG_007469.3:g.41703G>A
  • NM_001374747.1:c.14G>A
  • NM_145649.4:c.14G>A
  • NM_145649.5:c.14G>AMANE SELECT
  • NP_001361676.1:p.Trp5Ter
  • NP_663624.1:p.Trp5Ter
  • LRG_819t2:c.14G>A
  • LRG_819:g.41703G>A
  • LRG_819p2:p.Trp5Ter
  • NC_000006.11:g.10529158G>A
Protein change:
W5*
Links:
dbSNP: rs185805779
NCBI 1000 Genomes Browser:
rs185805779
Molecular consequence:
  • NM_001374747.1:c.14G>A - nonsense - [Sequence Ontology: SO:0001587]
  • NM_145649.5:c.14G>A - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:
GCNT2-related disorder
Synonyms:
GCNT2-related condition
Identifiers:

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV005341652PreventionGenetics, part of Exact Sciences
no assertion criteria provided
Uncertain significance
(May 10, 2024) 		germlineclinical testing

Help

Summary from all submissions

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

Details of each submission

From PreventionGenetics, part of Exact Sciences, SCV005341652.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

The GCNT2 c.14G>A variant is predicted to result in premature protein termination (p.Trp5*). In the tissue specific transcript found within the lens of the eye (NM_001491.2), this variant is found within a non-coding region (c.-27499G>A). To our knowledge, this variant has not been documented in the literature. This variant is reported in 0.17% of alleles in individuals of East Asian descent in gnomAD. Although we suspect that this variant may be benign, at this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence.

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

Last Updated: May 16, 2025