NM_000455.5(STK11):c.1040C>G (p.Ala347Gly) AND Peutz-Jeghers syndrome

Germline classification:: Uncertain significance (3 submissions)
Last evaluated:: Aug 6, 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:: RCV000527203.14

Allele description [Variation Report for NM_000455.5(STK11):c.1040C>G (p.Ala347Gly)]

NM_000455.5(STK11):c.1040C>G (p.Ala347Gly)

Genes:

LOC130062899:ATAC-STARR-seq lymphoblastoid active region 13597 [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.1040C>G (p.Ala347Gly)

HGVS:

NC_000019.10:g.1223104C>G
NG_007460.2:g.38698C>G
NM_000455.5:c.1040C>GMANE SELECT
NP_000446.1:p.Ala347Gly
NP_000446.1:p.Ala347Gly
LRG_319t1:c.1040C>G
LRG_319:g.38698C>G
LRG_319p1:p.Ala347Gly
NC_000019.9:g.1223103C>G
NM_000455.4:c.1040C>G
p.A347G

Protein change:

A347G

Links:

dbSNP: rs587782058

NCBI 1000 Genomes Browser:

rs587782058

Molecular consequence:

NM_000455.5:c.1040C>G - missense variant - [Sequence Ontology: SO:0001583]

Observations:

Condition(s)

Name:: Peutz-Jeghers syndrome (PJS)
Synonyms:: Polyposis, hamartomatous intestinal; Polyps-and-spots syndrome; Peutz-Jeghers polyposis; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0008280; MeSH: D010580; MedGen: C0031269; Orphanet: 2869; OMIM: 175200

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000629056	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Aug 6, 2023)	germline	clinical testing	PubMed (2) [See all records that cite these PMIDs] 26976419, 28492532
SCV002057908	Genome-Nilou Lab	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Jul 15, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV004818965	All of Us Research Program, National Institutes of Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain Significance (Jun 8, 2023)	germline	clinical testing	PubMed (2) [See all records that cite these PMIDs] 26976419, 25741868

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000629056

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Aug 6, 2023)

germline

clinical testing

PubMed (2)
[See all records that cite these PMIDs]

SCV002057908

Genome-Nilou Lab

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Jul 15, 2021)

germline

clinical testing

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

SCV004818965

All of Us Research Program, National Institutes of Health

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain Significance
(Jun 8, 2023)

germline

clinical testing

PubMed (2)
[See all records that cite these PMIDs]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	no	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	unknown	2	not provided	not provided	108544	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

Frequency of Germline Mutations in 25 Cancer Susceptibility Genes in a Sequential Series of Patients With Breast Cancer.

Tung N, Lin NU, Kidd J, Allen BA, Singh N, Wenstrup RJ, Hartman AR, Winer EP, Garber JE.

J Clin Oncol. 2016 May 1;34(13):1460-8. doi: 10.1200/JCO.2015.65.0747. Epub 2016 Mar 14.

PubMed [citation]

PMID:: 26976419
PMCID:: PMC4872307

See all PubMed Citations (3)

Details of each submission

From Invitae, SCV000629056.8

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (2)

Description

This sequence change replaces alanine, which is neutral and non-polar, with glycine, which is neutral and non-polar, at codon 347 of the STK11 protein (p.Ala347Gly). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with breast cancer (PMID: 26976419). ClinVar contains an entry for this variant (Variation ID: 141851). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt STK11 protein function. 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.

#	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 Genome-Nilou Lab, SCV002057908.1

#	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	no	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From All of Us Research Program, National Institutes of Health, SCV004818965.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	2	not provided	not provided	clinical testing	PubMed (2)

Description

This missense variant replaces alanine with glycine at codon 347 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 been reported in individuals affected with breast cancer (PMID: 26976419). 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	108544	not provided	not provided		2	not provided	not provided	not provided

Last Updated: May 7, 2024

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