Genetic Variant STK11:p.Arg42Pro (chr19-1207038-G-C) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM1PM2

The NM_000455.5(STK11):c.125G>C(p.Arg42Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R42L) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 31)

Consequence

STK11
NM_000455.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.62

Publications

0 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

STK11 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM1

In a hotspot region, there are 2 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 43 uncertain in NM_000455.5

PM2

Very rare variant in population databases, with high coverage;

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

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
STK11	NM_000455.5	MANE Select	c.125G>C	p.Arg42Pro	missense	Exon 1 of 10	NP_000446.1	A0A0S2Z4D1
STK11	NM_001407255.1		c.125G>C	p.Arg42Pro	missense	Exon 1 of 9	NP_001394184.1	Q15831-2
STK11	NR_176325.1		n.1261G>C		non_coding_transcript_exon	Exon 1 of 11

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
STK11	ENST00000326873.12	TSL:1 MANE Select	c.125G>C	p.Arg42Pro	missense	Exon 1 of 10	ENSP00000324856.6	Q15831-1
STK11	ENST00000652231.1		c.125G>C	p.Arg42Pro	missense	Exon 1 of 9	ENSP00000498804.1	Q15831-2
STK11	ENST00000585748.3	TSL:3	c.-82-11379G>C		intron	N/A	ENSP00000477641.2	A0A087WT72

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.93

BayesDel_addAF

Uncertain

0.16

BayesDel_noAF

Uncertain

-0.010

CADD

Pathogenic

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.38

Eigen

Benign

-0.19

Eigen_PC

Benign

-0.10

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.89

M_CAP

Uncertain

0.13

MetaRNN

Uncertain

0.69

MetaSVM

Benign

-0.36

MutationAssessor

Benign

1.4

PhyloP100

7.6

PrimateAI

Pathogenic

0.89

PROVEAN

Uncertain

-3.2

REVEL

Uncertain

0.47

Sift

Benign

0.24

Sift4G

Benign

0.10

Polyphen

0.0020

Vest4

0.72

MutPred

0.57

Loss of MoRF binding (P = 0.012)

MVP

0.91

MPC

1.4

ClinPred

0.96

GERP RS

1.7

PromoterAI

0.0055

Neutral

(source)

Varity_R

0.69

gMVP

0.94

Mutation Taster

=64/36

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over