NM_000077.5(CDKN2A):c.320G>C (p.Arg107Pro) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Aug 10, 2021
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:: RCV000775845.4

Allele description [Variation Report for NM_000077.5(CDKN2A):c.320G>C (p.Arg107Pro)]

NM_000077.5(CDKN2A):c.320G>C (p.Arg107Pro)

Gene:

CDKN2A:cyclin dependent kinase inhibitor 2A [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

9p21.3

Genomic location:

Preferred name:

NM_000077.5(CDKN2A):c.320G>C (p.Arg107Pro)

HGVS:

NC_000009.12:g.21971039C>G
NG_007485.1:g.28453G>C
NM_000077.5:c.320G>CMANE SELECT
NM_001195132.2:c.320G>C
NM_001363763.2:c.167G>C
NM_058195.4:c.363G>C
NM_058197.5:c.*243G>C
NP_000068.1:p.Arg107Pro
NP_000068.1:p.Arg107Pro
NP_001182061.1:p.Arg107Pro
NP_001350692.1:p.Arg56Pro
NP_478102.2:p.Ala121=
LRG_11t1:c.320G>C
LRG_11:g.28453G>C
LRG_11p1:p.Arg107Pro
NC_000009.11:g.21971038C>G
NM_000077.4:c.320G>C

Protein change:

R107P

Links:

dbSNP: rs370823171

NCBI 1000 Genomes Browser:

rs370823171

Molecular consequence:

NM_058197.5:c.*243G>C - 3 prime UTR variant - [Sequence Ontology: SO:0001624]
NM_000077.5:c.320G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001195132.2:c.320G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001363763.2:c.167G>C - missense variant - [Sequence Ontology: SO:0001583]
NM_058195.4:c.363G>C - synonymous variant - [Sequence Ontology: SO:0001819]

Condition(s)

Name:: Hereditary cancer-predisposing syndrome
Synonyms:: Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000910316	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Jul 26, 2018)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV002610705	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Aug 10, 2021)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000910316

Color Diagnostics, LLC DBA Color Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Jul 26, 2018)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

SCV002610705

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Aug 10, 2021)

germline

clinical testing

Citation Link

Help

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

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee.

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From Color Diagnostics, LLC DBA Color Health, SCV000910316.1

#	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 Ambry Genetics, SCV002610705.2

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

Description

The p.R107P variant (also known as c.320G>C), located in coding exon 2 of the CDKN2A gene, results from a G to C substitution at nucleotide position 320. The arginine at codon 107 is replaced by proline, an amino acid with dissimilar properties. This amino acid position is not well conserved in available vertebrate species. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#	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: Sep 29, 2024

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