rs772940660

Variant names:

• chr19-1220502-C-A
• rs772940660
• NM_000455.5:c.594C>A

Your query was ambiguous. Multiple possible variants found:

• chr19-1220502-C-A
• chr19-1220502-C-G
• chr19-1220502-C-T

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2 BP4_Strong BP6_Moderate BP7

The NM_000455.5(STK11):​c.594C>A​(p.Ala198Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. 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 Benign (★). Synonymous variant affecting the same amino acid position (i.e. A198A) has been classified as Likely benign.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: STK11 NM_000455.5 synonymous
• Clinical Significance: Benign criteria provided, single submitter B:1
• Conservation: PhyloP100: -0.258
• Publications: 0 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: Labcorp Genetics (formerly Invitae), ClinGen, Orphanet, Genomics England PanelApp, G2P
• familial ovarian cancer

  Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.57).
• BP6: Variant 19-1220502-C-A is Benign according to our data. Variant chr19-1220502-C-A is described in ClinVar as [Benign]. Clinvar id is 3903980.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=-0.258 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
STK11	NM_000455.5	c.594C>A	p.Ala198Ala	synonymous_variant	Exon 4 of 10	ENST00000326873.12	NP_000446.1
STK11	NM_001407255.1	c.594C>A	p.Ala198Ala	synonymous_variant	Exon 4 of 9		NP_001394184.1
STK11	NR_176325.1	n.1861C>A		non_coding_transcript_exon_variant	Exon 5 of 11

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
STK11	ENST00000326873.12	c.594C>A	p.Ala198Ala	synonymous_variant	Exon 4 of 10	1	NM_000455.5	ENSP00000324856.6
STK11	ENST00000652231.1	c.594C>A	p.Ala198Ala	synonymous_variant	Exon 4 of 9			ENSP00000498804.1
STK11	ENST00000585748.3	c.222C>A	p.Ala74Ala	synonymous_variant	Exon 6 of 12	3		ENSP00000477641.2
STK11	ENST00000593219.6	n.*419C>A		non_coding_transcript_exon_variant	Exon 5 of 11	3		ENSP00000466610.1
STK11	ENST00000593219.6	n.*419C>A		3_prime_UTR_variant	Exon 5 of 11	3		ENSP00000466610.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 1450456 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 720506

African (AFR) AF: 0.00 AC: 0 AN: 33332

American (AMR) AF: 0.00 AC: 0 AN: 43470

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25828

East Asian (EAS) AF: 0.00 AC: 0 AN: 39230

South Asian (SAS) AF: 0.00 AC: 0 AN: 84634

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 51208

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5738

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1107102

Other (OTH) AF: 0.00 AC: 0 AN: 59914

GnomAD4 genome Cov.: 33

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

Peutz-Jeghers syndrome Benign:1

Mar 26, 2025

Myriad Genetics, Inc.

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant is considered benign. This variant is a silent/synonymous amino acid change and it is not expected to impact splicing. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.57
CADD	Benign	0.27
DANN	Benign	0.76
PhyloP100		-0.26
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7

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

Other links and lift over

dbSNP: rs772940660; hg19: chr19-1220501;