VCV000978402.3 - ClinVar

NM_170606.3(KMT2C):c.8849_8850del (p.His2950fs)

Germline

Classification

The aggregate germline classification for this variant, typically for a monogenic or Mendelian disorder as in the ACMG/AMP guidelines, or for response to a drug. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the aggregate classification.

(3)

Stars represent the aggregate review status, or the level of review supporting the aggregate germline classification for this VCV record. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status. The number of submissions which contribute to this review status is shown in parentheses.

Pathogenic

criteria provided, multiple submitters, no conflicts

Somatic

No data submitted for somatic clinical impact

Somatic

No data submitted for oncogenicity

Variant Details

Identifiers

NM_170606.3(KMT2C):c.8849_8850del (p.His2950fs)

Variation ID: 978402 Accession: VCV000978402.3

Type and length

Deletion, 2 bp

Location

Cytogenetic: 7q36.1 7: 152176603-152176604 (GRCh38) [ NCBI UCSC ] 7: 151873688-151873689 (GRCh37) [ NCBI UCSC ]

Timeline in ClinVar

	First in ClinVar Help The date this variant first appeared in ClinVar with each type of classification.	Last submission Help The date of the most recent submission for each type of classification for this variant.	Last evaluated Help The most recent date that a submitter evaluated this variant for each type of classification.
Germline	Sep 27, 2020	Oct 8, 2024	Mar 25, 2024

HGVS

Nucleotide	Protein	Molecular consequence
NM_170606.3:c.8849_8850del MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.	NP_733751.2:p.His2950fs	frameshift
NM_170606.3:c.8849_8850delAT MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.
NC_000007.14:g.152176603_152176604del
NC_000007.13:g.151873688_151873689del
NG_033948.1:g.264402_264403del

... more HGVS ... less HGVS

Protein change

H2950fs

Other names

Canonical SPDI

NC_000007.14:152176602:AT:

Functional consequence Help The effect of the variant on RNA or protein function, based on experimental evidence from submitters.

Global minor allele frequency (GMAF) Help The global minor allele frequency calculated by the 1000 Genomes Project. The minor allele at this location is indicated in parentheses and may be different from the allele represented by this VCV record.

Allele frequency Help The frequency of the allele represented by this VCV record.

Links

VarSome

Genes

Gene	OMIM	ClinGen Gene Dosage Sensitivity Curation		Variation Viewer Help Links to Variation Viewer, a genome browser to view variation data from NCBI databases.	Related variants
Gene	OMIM	HI score Help The haploinsufficiency score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.	TS score Help The triplosensitivity score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.		Within gene Help The number of variants in ClinVar that are contained within this gene, with a link to view the list of variants.	All Help The number of variants in ClinVar for this gene, including smaller variants within the gene and larger CNVs that overlap or fully contain the gene.
KMT2C		Sufficient evidence for dosage pathogenicity	No evidence available	GRCh38 GRCh37	1785	1936

Conditions - Germline

Condition Help The condition for this variant-condition (RCV) record in ClinVar.	Classification Help The aggregate germline classification for this variant-condition (RCV) record in ClinVar. The number of submissions that contribute to this aggregate classification is shown in parentheses. (# of submissions)	Review status Help The aggregate review status for this variant-condition (RCV) record in ClinVar. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status.	Last evaluated Help The most recent date that a submitter evaluated this variant for the condition.	Variation/condition record Help The RCV accession number, with most recent version number, for the variant-condition record, with a link to the RCV web page.
Rare genetic intellectual disability	Likely pathogenic (1)	no assertion criteria provided	-	RCV001257012.2
Kleefstra syndrome 2	Pathogenic (1)	criteria provided, single submitter	Mar 25, 2024	RCV003989661.2
KMT2C-related NDD	Pathogenic (1)	criteria provided, single submitter	-	RCV004731111.1

Submissions - Germline

Classification Help The submitted germline classification for each SCV record. (Last evaluated)	Review status Help Stars represent the review status, or the level of review supporting the submitted (SCV) record. This value is calculated by NCBI based on data from the submitter. Read our rules for calculating the review status. This column also includes a link to the submitter’s assertion criteria if provided, and the collection method. (Assertion criteria)	Condition Help The condition for the classification, provided by the submitter for this submitted (SCV) record. This column also includes the affected status and allele origin of individuals observed with this variant.	Submitter Help The submitting organization for this submitted (SCV) record. This column also includes the SCV accession and version number, the date this SCV first appeared in ClinVar, and the date that this SCV was last updated in ClinVar.	More information Help This column includes more information supporting the classification, including citations, the comment on classification, and detailed evidence provided as observations of the variant by the submitter.
Pathogenic (Mar 25, 2024)	criteria provided, single submitter (ACMG Guidelines, 2015) Method: clinical testing	Kleefstra syndrome 2 Affected status: unknown Allele origin: germline	Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center Accession: SCV004805924.1 First in ClinVar: Apr 06, 2024 Last updated: Apr 06, 2024
Pathogenic (-)	criteria provided, single submitter (ACMG Guidelines, 2015) Method: research	KMT2C-related NDD Affected status: yes Allele origin: de novo	Laboratory of Genetics, Children's Clinical University Hospital Latvia Accession: SCV005044977.1 First in ClinVar: Oct 08, 2024 Last updated: Oct 08, 2024	Publications: PubMed (1) PubMed: 39013459
Likely pathogenic (-)	no assertion criteria provided Method: clinical testing	Rare genetic intellectual disability Affected status: yes Allele origin: de novo	Service de Génétique Moléculaire, Hôpital Robert Debré Accession: SCV001433568.1 First in ClinVar: Sep 27, 2020 Last updated: Sep 27, 2020

Germline Functional Evidence

There is no functional evidence in ClinVar for this variation. If you have generated functional data for this variation, please consider submitting that data to ClinVar.

Citations for germline classification of this variant

Title	Author	Journal	Year	Link
Pathogenic variants in KMT2C result in a neurodevelopmental disorder distinct from Kleefstra and Kabuki syndromes.	Rots D	American journal of human genetics	2024	PMID: 39013459

Text-mined citations for this variant ...

Record last updated Oct 08, 2024

ClinVar Genomic variation as it relates to human health

NM_170606.3(KMT2C):c.8849_8850del (p.His2950fs)

Variant Details

Genes

Conditions - Germline

Submissions - Germline

Germline Functional Evidence

Citations for germline classification of this variant

Text-mined citations for this variant ...