NM_000531.6(OTC):c.298+5G>C AND Ornithine carbamoyltransferase deficiency

Germline classification:: Benign/Likely benign (5 submissions)
Last evaluated:: Jan 31, 2024
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV000378189.24

Allele description [Variation Report for NM_000531.6(OTC):c.298+5G>C]

NM_000531.6(OTC):c.298+5G>C

Gene:

OTC:ornithine transcarbamylase [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

Xp11.4

Genomic location:

Preferred name:

NM_000531.6(OTC):c.298+5G>C

HGVS:

NC_000023.11:g.38369882G>C
NG_008471.1:g.22400G>C
NM_000531.6:c.298+5G>CMANE SELECT
LRG_846t1:c.298+5G>C
LRG_846:g.22400G>C
NC_000023.10:g.38229135G>C
NM_000531.5:c.298+5G>C

Links:

dbSNP: rs72554348

NCBI 1000 Genomes Browser:

rs72554348

Molecular consequence:

NM_000531.6:c.298+5G>C - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:: Ornithine carbamoyltransferase deficiency (OTCD)
Synonyms:: ORNITHINE TRANSCARBAMYLASE DEFICIENCY, HYPERAMMONEMIA DUE TO; Ornithine transcarbamylase deficiency; OTC deficiency; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0010703; MedGen: C0268542; Orphanet: 664; OMIM: 311250

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000482292	Illumina Laboratory Services, Illumina	criteria provided, single submitter (ICSL Variant Classification Criteria 13 December 2019)	Likely benign (Feb 27, 2018)	germline	clinical testing	Citation Link,
SCV000631859	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Benign (Jan 31, 2024)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV000853171	SingHealth Duke-NUS Institute of Precision Medicine	no assertion criteria provided	Uncertain significance (Jun 7, 2017)	germline	curation
SCV001141820	Mendelics	criteria provided, single submitter (Mendelics Assertion Criteria 2017)	Benign (May 28, 2019)	unknown	clinical testing	Citation Link,
SCV001453007	Natera, Inc.	no assertion criteria provided	Benign (Apr 3, 2020)	germline	clinical testing

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Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	unknown	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	no	not provided	not provided	not provided	not provided	not provided	curation

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 Illumina Laboratory Services, Illumina, SCV000482292.3

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

Description

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign.

#	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

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000631859.8

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

#	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

From SingHealth Duke-NUS Institute of Precision Medicine, SCV000853171.1

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

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	no	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Mendelics, SCV001141820.1

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

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

From Natera, Inc., SCV001453007.1

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

#	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: Oct 26, 2024

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