NM_003718.5(CDK13):c.2181T>G (p.Thr727=) AND not provided

Germline classification:: Conflicting interpretations of pathogenicity (2 submissions)
Last evaluated:: Aug 3, 2023
Review status:: criteria provided, conflicting classifications

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:: RCV002512331.16

Allele description [Variation Report for NM_003718.5(CDK13):c.2181T>G (p.Thr727=)]

NM_003718.5(CDK13):c.2181T>G (p.Thr727=)

Gene:

CDK13:cyclin dependent kinase 13 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

7p14.1

Genomic location:

Preferred name:

NM_003718.5(CDK13):c.2181T>G (p.Thr727=)

HGVS:

NC_000007.14:g.39999499T>G
NG_052965.1:g.54140T>G
NG_052965.2:g.54245T>G
NM_003718.4:c.2181T>G
NM_003718.5:c.2181T>GMANE SELECT
NM_031267.3:c.2181T>G
NP_003709.3:p.Thr727=
NP_112557.2:p.Thr727=
NC_000007.13:g.40039098T>G

Molecular consequence:

NM_003718.5:c.2181T>G - synonymous variant - [Sequence Ontology: SO:0001819]
NM_031267.3:c.2181T>G - synonymous variant - [Sequence Ontology: SO:0001819]

Observations:

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002821806	CeGaT Center for Human Genetics Tuebingen	criteria provided, single submitter (CeGaT Center For Human Genetics Tuebingen Variant Classification Criteria Version 2)	Likely benign (Nov 1, 2022)	germline	clinical testing	Citation Link,
SCV004539757	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Aug 3, 2023)	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

SCV002821806

CeGaT Center for Human Genetics Tuebingen

criteria provided, single submitter

(CeGaT Center For Human Genetics Tuebingen Variant Classification Criteria Version 2)

Likely benign
(Nov 1, 2022)

germline

clinical testing

Citation Link,

SCV004539757

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Aug 3, 2023)

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	yes	1	not provided	not provided	not provided	not provided	clinical testing
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 CeGaT Center for Human Genetics Tuebingen, SCV002821806.14

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

Description

CDK13: BP4, BP7

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		1	not provided	not provided	not provided

From Labcorp Genetics (formerly Invitae), Labcorp, SCV004539757.1

#	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 is not likely to affect RNA splicing. ClinVar contains an entry for this variant (Variation ID: 1879686). This variant has not been reported in the literature in individuals affected with CDK13-related conditions. This variant is present in population databases (rs144563768, gnomAD 0.03%), and has an allele count higher than expected for a pathogenic variant. This sequence change affects codon 727 of the CDK13 mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the CDK13 protein. It affects a nucleotide within the consensus splice site.

#	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: Nov 3, 2024

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