19-1226641-G-C

Variant names:

• chr19-1226641-G-C
• rs587781179
• NM_000455.5:c.1296G>C

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_000455.5(STK11):​c.1296G>C​(p.Gln432His) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q432R) has been classified as Uncertain significance.

• Frequency: Genomes: not found (cov: 33)
• Consequence: STK11 NM_000455.5 missense
• Clinical Significance: Uncertain significance criteria provided, multiple submitters, no conflicts U:3
• Conservation: PhyloP100: 5.47
• Publications: 5 publications found

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, Genomics England PanelApp, G2P, Labcorp Genetics (formerly Invitae), Orphanet
• familial ovarian cancer

  Inheritance: Unknown Classification: NO_KNOWN Submitted by: ClinGen

ACMG classification

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

• 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

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	STK11	NM_000455.5	MANE Select	c.1296G>C	p.Gln432His	missense	Exon 9 of 10	NP_000446.1	A0A0S2Z4D1
	STK11	NR_176325.1		n.2563G>C		non_coding_transcript_exon	Exon 10 of 11

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	STK11	ENST00000326873.12	TSL:1 MANE Select	c.1296G>C	p.Gln432His	missense	Exon 9 of 10	ENSP00000324856.6	Q15831-1
	STK11	ENST00000585748.3	TSL:3	c.924G>C	p.Gln308His	missense	Exon 11 of 12	ENSP00000477641.2	A0A087WT72
	STK11	ENST00000593219.6	TSL:3	n.*1121G>C		non_coding_transcript_exon	Exon 10 of 11	ENSP00000466610.1	K7EMR0

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 33

ClinVar

ClinVar submissions as Germline

Significance: Uncertain significance

Revision: criteria provided, multiple submitters, no conflicts

Pathogenic	VUS	Benign	Condition
-	2	-	Hereditary cancer-predisposing syndrome (2)
-	1	-	Peutz-Jeghers syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.28
BayesDel_addAF	Uncertain	0.035	T
BayesDel_noAF	Benign	-0.19
CADD	Uncertain	25
DANN	Uncertain	0.99
DEOGEN2	Benign	0.32	T
Eigen	Uncertain	0.21
Eigen_PC	Benign	0.15
FATHMM_MKL	Uncertain	0.86	D
LIST_S2	Benign	0.78	T
M_CAP	Uncertain	0.15	D
MetaRNN	Benign	0.40	T
MetaSVM	Benign	-0.47	T
MutationAssessor	Benign	1.1	L
PhyloP100		5.5
PrimateAI	Uncertain	0.73	T
PROVEAN	Benign	-1.2	N
REVEL	Uncertain	0.31
Sift	Pathogenic	0.0	D
Sift4G	Uncertain	0.012	D
Polyphen		0.94	P
Vest4		0.56
MutPred		0.26		Loss of helix (P = 0.079)
MVP		0.74
MPC		0.23
ClinPred		0.79	D
GERP RS		1.9
Varity_R		0.38
gMVP		0.42
Mutation Taster		=47/53	disease causing

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.22		Details are displayed if max score is > 0.2
DS_DG_spliceai		0.22		Position offset: 2

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

Other links and lift over

dbSNP: rs587781179; hg19: chr19-1226640;