NM_000455.5(STK11):c.151A>C (p.Met51Leu) AND Hereditary cancer-predisposing syndrome

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Jun 20, 2023
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:: RCV000579540.10

Allele description [Variation Report for NM_000455.5(STK11):c.151A>C (p.Met51Leu)]

NM_000455.5(STK11):c.151A>C (p.Met51Leu)

Gene:

STK11:serine/threonine kinase 11 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

19p13.3

Genomic location:

Preferred name:

NM_000455.5(STK11):c.151A>C (p.Met51Leu)

Other names:

p.M51L:ATG>CTG

HGVS:

NC_000019.10:g.1207064A>C
NG_007460.2:g.22658A>C
NM_000455.5:c.151A>CMANE SELECT
NP_000446.1:p.Met51Leu
NP_000446.1:p.Met51Leu
LRG_319t1:c.151A>C
LRG_319:g.22658A>C
LRG_319p1:p.Met51Leu
NC_000019.9:g.1207063A>C
NM_000455.4:c.151A>C

Protein change:

M51L

Links:

dbSNP: rs730881986

NCBI 1000 Genomes Browser:

rs730881986

Molecular consequence:

NM_000455.5:c.151A>C - missense variant - [Sequence Ontology: SO:0001583]

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
SCV000686621	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Jun 20, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001172349	Ambry Genetics	criteria provided, single submitter (Ambry Variant Classification Scheme 2023)	Uncertain significance (Nov 18, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID] Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000686621

Color Diagnostics, LLC DBA Color Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Jun 20, 2023)

germline

clinical testing

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

SCV001172349

Ambry Genetics

criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)

Uncertain significance
(Nov 18, 2022)

germline

clinical testing

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

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

Germline pathogenic variants of 11 breast cancer genes in 7,051 Japanese patients and 11,241 controls.

Momozawa Y, Iwasaki Y, Parsons MT, Kamatani Y, Takahashi A, Tamura C, Katagiri T, Yoshida T, Nakamura S, Sugano K, Miki Y, Hirata M, Matsuda K, Spurdle AB, Kubo M.

Nat Commun. 2018 Oct 4;9(1):4083. doi: 10.1038/s41467-018-06581-8.

PubMed [citation]

PMID:: 30287823
PMCID:: PMC6172276

Details of each submission

From Color Diagnostics, LLC DBA Color Health, SCV000686621.5

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

Description

This missense variant replaces methionine with leucine at codon 51 of the STK11 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.

#	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, SCV001172349.5

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

Description

The p.M51L variant (also known as c.151A>C), located in coding exon 1 of the STK11 gene, results from an A to C substitution at nucleotide position 151. The methionine at codon 51 is replaced by leucine, an amino acid with highly similar properties. In one study, this alteration was not observed in 7051 unselected female breast cancer patients but was detected in 1/11241 female controls of Japanese ancestry (Momozawa Y et al. Nat Commun, 2018 10;9:4083). This amino acid position is highly 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: Oct 8, 2024

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