rs779987540

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM1

The NM_000455.5(STK11):​c.427G>A​(p.Val143Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000696 in 1,580,518 control chromosomes in the GnomAD database, with no homozygous occurrence. There is a variant allele frequency bias in the population database for this variant (GnomAdExome4), which may indicate mosaicism or somatic mutations in the reference population data. 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. V143L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 34)
Exomes 𝑓: 0.0000063 ( 0 hom. )

Consequence

STK11
NM_000455.5 missense

Scores

2
9
7

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:8B:1

Conservation

PhyloP100: 9.70

Publications

7 publications found
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 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: ClinGen, Labcorp Genetics (formerly Invitae), G2P, Genomics England PanelApp, Orphanet
  • familial ovarian cancer
    Inheritance: Unknown Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM1
In a hotspot region, there are 5 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 37 uncertain in NM_000455.5

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000455.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
STK11
NM_000455.5
MANE Select
c.427G>Ap.Val143Met
missense
Exon 3 of 10NP_000446.1A0A0S2Z4D1
STK11
NM_001407255.1
c.427G>Ap.Val143Met
missense
Exon 3 of 9NP_001394184.1Q15831-2
STK11
NR_176325.1
n.1694G>A
non_coding_transcript_exon
Exon 4 of 11

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
STK11
ENST00000326873.12
TSL:1 MANE Select
c.427G>Ap.Val143Met
missense
Exon 3 of 10ENSP00000324856.6Q15831-1
STK11
ENST00000652231.1
c.427G>Ap.Val143Met
missense
Exon 3 of 9ENSP00000498804.1Q15831-2
STK11
ENST00000585748.3
TSL:3
c.55G>Ap.Val19Met
missense
Exon 5 of 12ENSP00000477641.2A0A087WT72

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151330
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000484
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000177
AC:
4
AN:
226056
AF XY:
0.0000327
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000196
Gnomad OTH exome
AF:
0.000177
GnomAD4 exome
AF:
0.00000630
AC:
9
AN:
1429188
Hom.:
0
Cov.:
36
AF XY:
0.0000113
AC XY:
8
AN XY:
709528
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.0000305
AC:
1
AN:
32740
American (AMR)
AF:
0.00
AC:
0
AN:
42468
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25142
East Asian (EAS)
AF:
0.00
AC:
0
AN:
34606
South Asian (SAS)
AF:
0.0000120
AC:
1
AN:
83242
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49748
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5606
European-Non Finnish (NFE)
AF:
0.00000547
AC:
6
AN:
1096978
Other (OTH)
AF:
0.0000170
AC:
1
AN:
58658
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.0000489998), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.364
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.0000132
AC:
2
AN:
151330
Hom.:
0
Cov.:
34
AF XY:
0.0000135
AC XY:
1
AN XY:
73964
show subpopulations
African (AFR)
AF:
0.0000484
AC:
2
AN:
41316
American (AMR)
AF:
0.00
AC:
0
AN:
15230
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3464
East Asian (EAS)
AF:
0.00
AC:
0
AN:
4924
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4752
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10454
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67880
Other (OTH)
AF:
0.00
AC:
0
AN:
2086
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000113

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
3
-
Hereditary cancer-predisposing syndrome (3)
-
2
1
Peutz-Jeghers syndrome (3)
-
2
-
not provided (2)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.26
BayesDel_addAF
Uncertain
0.043
T
BayesDel_noAF
Uncertain
-0.070
CADD
Pathogenic
29
DANN
Uncertain
1.0
DEOGEN2
Benign
0.29
T
Eigen
Uncertain
0.62
Eigen_PC
Uncertain
0.62
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.89
D
M_CAP
Uncertain
0.11
D
MetaRNN
Uncertain
0.57
D
MetaSVM
Benign
-0.29
T
MutationAssessor
Benign
1.0
L
PhyloP100
9.7
PrimateAI
Pathogenic
0.86
D
PROVEAN
Benign
-1.1
N
REVEL
Uncertain
0.34
Sift
Benign
0.085
T
Sift4G
Benign
0.099
T
Polyphen
1.0
D
Vest4
0.73
MutPred
0.43
Gain of disorder (P = 0.056)
MVP
0.63
MPC
1.9
ClinPred
0.74
D
GERP RS
4.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
2.7
Varity_R
0.40
gMVP
0.68
Mutation Taster
=73/27
polymorphism

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

Other links and lift over

dbSNP: rs779987540; hg19: chr19-1219375; COSMIC: COSV58825762; COSMIC: COSV58825762; API