NM_004958.4:c.-15+346T>C

Variant names:

• chr1-11262099-A-G
• rs1883965
• NM_004958.4:c.-15+346T>C

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_004958.4(MTOR):​c.-15+346T>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.642 in 152,128 control chromosomes in the GnomAD database, including 33,373 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.64 (33373 hom., cov: 32)
• Consequence: MTOR NM_004958.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.163
• Publications: 34 publications found

Genes affected

MTOR (HGNC:3942): (mechanistic target of rapamycin kinase) The protein encoded by this gene belongs to a family of phosphatidylinositol kinase-related kinases. These kinases mediate cellular responses to stresses such as DNA damage and nutrient deprivation. This kinase is a component of two distinct complexes, mTORC1, which controls protein synthesis, cell growth and proliferation, and mTORC2, which is a regulator of the actin cytoskeleton, and promotes cell survival and cell cycle progression. This protein acts as the target for the cell-cycle arrest and immunosuppressive effects of the FKBP12-rapamycin complex. Inhibitors of mTOR are used in organ transplants as immunosuppressants, and are being evaluated for their therapeutic potential in SARS-CoV-2 infections. Mutations in this gene are associated with Smith-Kingsmore syndrome and somatic focal cortical dysplasia type II. The ANGPTL7 gene is located in an intron of this gene. [provided by RefSeq, Aug 2020]

MTOR Gene-Disease associations (from GenCC):

• macrocephaly-intellectual disability-neurodevelopmental disorder-small thorax syndrome

  Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Illumina, Orphanet, Labcorp Genetics (formerly Invitae), G2P
• overgrowth syndrome and/or cerebral malformations due to abnormalities in MTOR pathway genes

  Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.93).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.88 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MTOR	NM_004958.4	c.-15+346T>C		intron_variant	Intron 1 of 57	ENST00000361445.9	NP_004949.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MTOR	ENST00000361445.9	c.-15+346T>C		intron_variant	Intron 1 of 57	1	NM_004958.4	ENSP00000354558.4

Frequencies

GnomAD3 genomes AF: 0.642 AC: 97578 AN: 152008 Hom.: 33354 Cov.: 32

Gnomad AFR AF: 0.382

Gnomad AMI AF: 0.752

Gnomad AMR AF: 0.771

Gnomad ASJ AF: 0.654

Gnomad EAS AF: 0.902

Gnomad SAS AF: 0.826

Gnomad FIN AF: 0.747

Gnomad MID AF: 0.728

Gnomad NFE AF: 0.718

Gnomad OTH AF: 0.688

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.642 AC: 97643 AN: 152128 Hom.: 33373 Cov.: 32 AF XY: 0.649 AC XY: 48293 AN XY: 74382

African (AFR) AF: 0.382 AC: 15858 AN: 41494

American (AMR) AF: 0.772 AC: 11793 AN: 15280

Ashkenazi Jewish (ASJ) AF: 0.654 AC: 2271 AN: 3472

East Asian (EAS) AF: 0.902 AC: 4667 AN: 5174

South Asian (SAS) AF: 0.826 AC: 3987 AN: 4824

European-Finnish (FIN) AF: 0.747 AC: 7917 AN: 10594

Middle Eastern (MID) AF: 0.741 AC: 218 AN: 294

European-Non Finnish (NFE) AF: 0.718 AC: 48787 AN: 67972

Other (OTH) AF: 0.691 AC: 1459 AN: 2112

Alfa AF: 0.622 Hom.: 5273

Bravo AF: 0.632

Asia WGS AF: 0.848 AC: 2949 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.93
CADD	Benign	13
DANN	Benign	0.34
PhyloP100		-0.16
PromoterAI		-0.058	Neutral
Mutation Taster		=100/0	polymorphism (auto)

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.14		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: rs1883965; hg19: chr1-11322156;