19-1223164-C-T

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_000455.5(STK11):c.1100C>T(p.Thr367Met) variant causes a missense change. The variant allele was found at a frequency of 0.0000186 in 1,610,600 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T367K) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

STK11
NM_000455.5 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:8B:2

Conservation

PhyloP100: 5.58

Publications

12 publications found

Variant links:

COSMIC-nc: COSV58827703

Genes affected

STK11 (HGNC:11389): (serine/threonine kinase 11) The protein encoded by this gene is a serine/threonine kinase that regulates cell polarity and energy metabolism and functions as a tumor suppressor. Mutations in this gene have been associated with the autosomal dominant Peutz-Jeghers syndrome, as well as with skin, pancreatic, and testicular cancers. [provided by RefSeq, May 2022]

STK11 Gene-Disease associations (from GenCC):

familial pancreatic carcinoma
Inheritance: AD Classification: DEFINITIVE Submitted by: G2P
Peutz-Jeghers syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, Orphanet, Genomics England PanelApp, G2P
familial ovarian cancer
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

STK11 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.14539531).

BS2

High AC in GnomAdExome4 at 26 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein
STK11	NM_000455.5 link	c.1100C>T	p.Thr367Met	missense_variant	Exon 8 of 10	ENST00000326873.12	NP_000446.1
STK11	NM_001407255.1 link	c.1100C>T	p.Thr367Met	missense_variant	Exon 8 of 9		NP_001394184.1
STK11	NR_176325.1 link	n.2367C>T		non_coding_transcript_exon_variant	Exon 9 of 11

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein
STK11	ENST00000326873.12 link	c.1100C>T	p.Thr367Met	missense_variant	Exon 8 of 10	1	NM_000455.5	ENSP00000324856.6
STK11	ENST00000652231.1 link	c.1100C>T	p.Thr367Met	missense_variant	Exon 8 of 9			ENSP00000498804.1
STK11	ENST00000585748.3 link	c.728C>T	p.Thr243Met	missense_variant	Exon 10 of 12	3		ENSP00000477641.2
STK11	ENST00000593219.6 link	n.*925C>T		non_coding_transcript_exon_variant	Exon 9 of 11	3		ENSP00000466610.1
STK11	ENST00000593219.6 link	n.*925C>T		3_prime_UTR_variant	Exon 9 of 11	3		ENSP00000466610.1

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152238

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000192

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000165

AC:

AN:

242076

AF XY:

0.0000151

show subpopulations

Gnomad AFR exome

AF:

0.0000678

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000274

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000178

AC:

AN:

1458362

Hom.:

Cov.:

AF XY:

0.0000179

AC XY:

AN XY:

725264

show subpopulations

African (AFR)

AF:

0.0000598

AC:

AN:

33458

American (AMR)

AF:

0.00

AC:

AN:

44572

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26070

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39646

South Asian (SAS)

AF:

0.00

AC:

AN:

85862

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51570

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.0000207

AC:

AN:

1111144

Other (OTH)

AF:

0.00

AC:

AN:

60276

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000263

AC:

AN:

152238

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74362

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41466

American (AMR)

AF:

0.00

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000192

AC:

AN:

5198

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.463

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0000685

Hom.:

Bravo

AF:

0.0000264

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:8Benign:2

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Peutz-Jeghers syndrome

Uncertain:5Benign:1

Dec 16, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Dec 13, 2023

All of Us Research Program, National Institutes of Health

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This missense variant replaces threonine with methionine at codon 367 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). Functional studies have shown that this variant retains STK11 auto-phosphorylation and growth arrest activities, but may be partially impaired for STK11-mediated activation of the AMPK pathway, nuclear export, and establishment and maintenance of cell polarity (PMID: 10676634, 15800014). This variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has been identified in 5/273450 chromosomes 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. -

Apr 14, 2023

Myriad Genetics, Inc.

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is classified as a variant of uncertain significance as there is insufficient evidence to determine its impact on protein function and/or cancer risk. -

Apr 13, 2016

Counsyl

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:clinical testing

This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com. -

Jul 15, 2021

Genome-Nilou Lab

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

May 05, 2021

Department of Pathology and Laboratory Medicine, Sinai Health System

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Hereditary cancer-predisposing syndrome

Uncertain:1Benign:1

Mar 06, 2023

Ambry Genetics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

May 24, 2023

Color Diagnostics, LLC DBA Color Health

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

not specified

Uncertain:1

Mar 04, 2025

Center for Genomic Medicine, Rigshospitalet, Copenhagen University Hospital

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not provided

Uncertain:1

Apr 04, 2023

GeneDx

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Published functional studies are inconclusive: decrease in nucleus export efficiency and impairment of LKB1-mediated activation of the AMPK pathway with kinase activity, autophosphorylation, cellular localization, and colony formation similar to wild type (Launonen et al., 2000; Forcet et al., 2005); This variant is associated with the following publications: (PMID: 9731485, 14518068, 18774945, 26798439, 15800014, 10676634, 28900777) -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.18

BayesDel_addAF

Benign

-0.057

BayesDel_noAF

Benign

-0.32

CADD

Uncertain

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.30

T;D;T

Eigen

Benign

-0.27

Eigen_PC

Benign

-0.23

FATHMM_MKL

Benign

0.36

LIST_S2

Uncertain

0.88

D;D;T

M_CAP

Benign

0.074

MetaRNN

Benign

0.15

T;T;T

MetaSVM

Benign

-0.73

MutationAssessor

Benign

1.1

.;L;.

PhyloP100

5.6

PrimateAI

Uncertain

0.55

PROVEAN

Benign

-0.36

.;N;.

REVEL

Benign

0.14

Sift

Benign

0.10

.;T;.

Sift4G

Benign

0.15

T;T;.

Polyphen

0.021

.;B;.

Vest4

0.34

MutPred

0.38

Loss of phosphorylation at T367 (P = 0.0554);Loss of phosphorylation at T367 (P = 0.0554);.;

MVP

0.50

MPC

0.048

ClinPred

0.16

GERP RS

2.6

PromoterAI

-0.011

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.077

gMVP

0.27

Mutation Taster

=74/26

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over