NM_000455.5:c.355A>G

Variant names:

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM1BP4BS1_SupportingBS2

The NM_000455.5(STK11):c.355A>G(p.Asn119Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000018 in 1,613,618 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000018 ( 1 hom. )

Consequence

STK11
NM_000455.5 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:7B:1

Conservation

PhyloP100: 9.09

Variant links:

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 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM1

In a domain Protein kinase (size 260) in uniprot entity STK11_HUMAN there are 19 pathogenic changes around while only 5 benign (79%) in NM_000455.5

BP4

Computational evidence support a benign effect (MetaRNN=0.28841782).

BS1

Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.0000197 (3/152372) while in subpopulation SAS AF= 0.000621 (3/4828). AF 95% confidence interval is 0.000169. There are 0 homozygotes in gnomad4. There are 1 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

BS2

High AC in GnomAdExome4 at 26 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
STK11	NM_000455.5 link	c.355A>G	p.Asn119Asp	missense_variant	Exon 2 of 10	ENST00000326873.12	NP_000446.1	Q15831-1A0A0S2Z4D1
STK11	NM_001407255.1 link	c.355A>G	p.Asn119Asp	missense_variant	Exon 2 of 9		NP_001394184.1
STK11	NR_176325.1 link	n.1622A>G		non_coding_transcript_exon_variant	Exon 3 of 11

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
STK11	ENST00000326873.12 link	c.355A>G	p.Asn119Asp	missense_variant	Exon 2 of 10	1	NM_000455.5	ENSP00000324856.6	Q15831-1
STK11	ENST00000652231.1 link	c.355A>G	p.Asn119Asp	missense_variant	Exon 2 of 9			ENSP00000498804.1	Q15831-2
STK11	ENST00000585748 link	c.-18A>G		5_prime_UTR_variant	Exon 4 of 12	3		ENSP00000477641.2	A0A087WT72
STK11	ENST00000593219.5 link	n.*180A>G		non_coding_transcript_exon_variant	Exon 3 of 4	3		ENSP00000466610.1	K7EMR0
STK11	ENST00000593219.5 link	n.*180A>G		3_prime_UTR_variant	Exon 3 of 4	3		ENSP00000466610.1	K7EMR0

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152254

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000621

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000442

AC:

AN:

249110

Hom.:

AF XY:

0.0000148

AC XY:

AN XY:

135210

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000165

GnomAD4 exome

AF:

0.0000178

AC:

AN:

1461246

Hom.:

Cov.:

AF XY:

0.0000179

AC XY:

AN XY:

726892

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000267

Gnomad4 FIN exome

AF:

0.0000188

Gnomad4 NFE exome

AF:

8.99e-7

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152372

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74518

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000621

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000434

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000662

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:7Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Hereditary cancer-predisposing syndrome

Uncertain:3

Nov 08, 2022

Color Diagnostics, LLC DBA Color Health

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This missense variant replaces asparagine with aspartic acid at codon 119 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 STK11-related disorders in the literature. This variant has been identified in 11/249110 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. -

Jun 19, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The p.N119D variant (also known as c.355A>G), located in coding exon 2 of the STK11 gene, results from an A to G substitution at nucleotide position 355. The asparagine at codon 119 is replaced by aspartic acid, an amino acid with highly similar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -

Dec 23, 2021

Sema4, Sema4

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: curation

- -

Peutz-Jeghers syndrome

Uncertain:2Benign:1

Nov 30, 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 asparagine with aspartic acid at codon 119 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). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has not been reported in individuals affected with hereditary cancer in the literature. This variant has been identified in 11/249110 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. -

Jul 15, 2021

Genome-Nilou Lab

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Nov 17, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Breast and/or ovarian cancer

Uncertain:1

Apr 13, 2023

CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Malignant tumor of breast

Uncertain:1

Department of Pathology and Laboratory Medicine, Sinai Health System

Significance: Uncertain significance

Review Status: no assertion criteria provided

Collection Method: clinical testing

The STK11 p.Asn119Asp variant was not identified in the literature nor was it identified in the LOVD 3.0 database. The variant was identified in dbSNP (rs545015076) as â€šÃ„Ãºwith uncertain significance alleleâ€šÃ„Ã¹ and ClinVar (classified as uncertain significance by Invitae, Ambry Genetics and Color). The variant was identified in control databases in 11 of 249,110 chromosomes at a frequency of 0.00004 (Genome Aggregation Database Feb 27, 2017). The variant was observed in the following populations: South Asian in 10 of 30,600 chromosomes (freq: 0.0003, decreasing the likelihood that this variant has clinical significance) and Other in 1 of 6048 chromosomes (freq: 0.0002), but it was not observed in the African, Latino, Ashkenazi Jewish, East Asian, Finnish or European populations. The p.Asn119 residue is conserved in mammals but not in more distantly related organisms however four out of five computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) do not suggest a high likelihood of impact to the protein; this information is not predictive enough to rule out pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer) do not predict a difference in splicing. In summary, based on the above information, the clinical significance of this variant cannot be determined with certainty at this time. This variant is classified as a variant of uncertain significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.56

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Benign

-0.32

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.31

T;T

Eigen

Benign

-0.30

Eigen_PC

Benign

-0.065

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.92

D;D

M_CAP

Benign

0.049

MetaRNN

Benign

0.29

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.16

.;N

PrimateAI

Pathogenic

0.82

PROVEAN

Uncertain

-2.8

.;D

REVEL

Benign

0.23

Sift

Benign

0.18

.;T

Sift4G

Benign

0.32

T;T

Polyphen

0.0010

.;B

Vest4

0.77

MutPred

0.55

Loss of ubiquitination at K122 (P = 0.0618);Loss of ubiquitination at K122 (P = 0.0618);

MVP

0.74

MPC

1.1

ClinPred

0.31

GERP RS

4.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.43

gMVP

0.73

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over