Genetic Variant STOML1:p.Pro261Leu (chr15-73985326-G-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_004809.5(STOML1):c.782C>T(p.Pro261Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000464 in 1,529,814 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00021 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000028 ( 0 hom. )

Consequence

STOML1
NM_004809.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.261

Variant links:

Genes affected

STOML1 (HGNC:14560): (stomatin like 1) Predicted to enable ion channel inhibitor activity. Predicted to be involved in lipid transport. Predicted to act upstream of or within SMAD protein signal transduction; cellular response to leukemia inhibitory factor; and negative regulation of acid-sensing ion channel activity. Predicted to be located in cytoplasmic vesicle. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

STOML1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.018530965).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
STOML1	NM_004809.5 link	c.782C>T	p.Pro261Leu	missense_variant	Exon 5 of 7	ENST00000541638.6	NP_004800.2	Q9UBI4-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
STOML1	ENST00000541638.6 link	c.782C>T	p.Pro261Leu	missense_variant	Exon 5 of 7	1	NM_004809.5	ENSP00000442478.2		Q9UBI4-1

Frequencies

GnomAD3 genomes

AF:

0.000210

AC:

AN:

152200

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00196

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:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000779

AC:

AN:

179622

Hom.:

AF XY:

0.0000816

AC XY:

AN XY:

98056

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000514

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000342

Gnomad OTH exome

AF:

0.000243

GnomAD4 exome

AF:

0.0000283

AC:

AN:

1377496

Hom.:

Cov.:

AF XY:

0.0000206

AC XY:

AN XY:

679072

show subpopulations

Gnomad4 AFR exome

AF:

0.0000336

Gnomad4 AMR exome

AF:

0.000250

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000138

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000149

Gnomad4 OTH exome

AF:

0.000248

GnomAD4 genome

AF:

0.000210

AC:

AN:

152318

Hom.:

Cov.:

AF XY:

0.000309

AC XY:

AN XY:

74478

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00196

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.000344

ExAC

AF:

0.00000825

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Nov 21, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.782C>T (p.P261L) alteration is located in exon 5 (coding exon 5) of the STOML1 gene. This alteration results from a C to T substitution at nucleotide position 782, causing the proline (P) at amino acid position 261 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.067

BayesDel_addAF

Benign

-0.23

BayesDel_noAF

Benign

-0.24

CADD

Benign

9.3

DANN

Benign

0.44

DEOGEN2

Benign

0.084

T;.;.;.;T;.

Eigen

Benign

-1.0

Eigen_PC

Benign

-1.0

FATHMM_MKL

Benign

0.037

LIST_S2

Benign

0.63

T;T;T;T;T;T

M_CAP

Benign

0.057

MetaRNN

Benign

0.019

T;T;T;T;T;T

MetaSVM

Uncertain

-0.12

MutationAssessor

Benign

0.34

N;.;.;.;.;N

PrimateAI

Benign

0.40

PROVEAN

Benign

-0.71

.;N;N;.;N;N

REVEL

Benign

0.24

Sift

Benign

0.16

.;T;T;.;T;T

Sift4G

Benign

0.17

T;T;T;T;T;T

Polyphen

0.0

B;.;B;.;.;.

Vest4

0.13

MutPred

0.20

Loss of glycosylation at P261 (P = 0.032);.;.;.;.;Loss of glycosylation at P261 (P = 0.032);

MVP

0.21

MPC

0.34

ClinPred

0.013

GERP RS

1.3

Varity_R

0.028

gMVP

0.35

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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