rs796052213

Variant names:

• chr5-179833749-A-T
• rs796052213
• NM_003900.5:c.1132A>T

Variant summary

Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PVS1_Strong PP5

The NM_003900.5(SQSTM1):​c.1132A>T​(p.Lys378*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,461,856 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars). Synonymous variant affecting the same amino acid position (i.e. K378K) has been classified as Likely benign.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000048 (0 hom.)
• Consequence: SQSTM1 NM_003900.5 stop_gained
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 1.46
• Publications: 5 publications found

Genes affected

SQSTM1 (HGNC:11280): (sequestosome 1) This gene encodes a multifunctional protein that binds ubiquitin and regulates activation of the nuclear factor kappa-B (NF-kB) signaling pathway. The protein functions as a scaffolding/adaptor protein in concert with TNF receptor-associated factor 6 to mediate activation of NF-kB in response to upstream signals. Alternatively spliced transcript variants encoding either the same or different isoforms have been identified for this gene. Mutations in this gene result in sporadic and familial Paget disease of bone. [provided by RefSeq, Mar 2009]

SQSTM1 Gene-Disease associations (from GenCC):

• neurodegeneration with ataxia, dystonia, and gaze palsy, childhood-onset

  Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), Illumina
• frontotemporal dementia and/or amyotrophic lateral sclerosis 3

  Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, ClinGen
• osteosarcoma

  Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
• Paget disease of bone 3

  Inheritance: AD Classification: STRONG, LIMITED Submitted by: G2P, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
• amyotrophic lateral sclerosis

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• behavioral variant of frontotemporal dementia

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• frontotemporal dementia with motor neuron disease

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Uncertain_significance. The variant received 5 ACMG points.

• PVS1: Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most 50 bp of the penultimate exon, not predicted to undergo nonsense mediated mRNA decay. There are 16 pathogenic variants in the truncated region.
• PP5: Variant 5-179833749-A-T is Pathogenic according to our data. Variant chr5-179833749-A-T is described in ClinVar as Pathogenic. ClinVar VariationId is 202210.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SQSTM1	NM_003900.5	c.1132A>T	p.Lys378*	stop_gained	Exon 7 of 8	ENST00000389805.9	NP_003891.1
SQSTM1	NM_001142298.2	c.880A>T	p.Lys294*	stop_gained	Exon 8 of 9		NP_001135770.1
SQSTM1	NM_001142299.2	c.880A>T	p.Lys294*	stop_gained	Exon 8 of 9		NP_001135771.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SQSTM1	ENST00000389805.9	c.1132A>T	p.Lys378*	stop_gained	Exon 7 of 8	1	NM_003900.5	ENSP00000374455.4
SQSTM1	ENST00000360718.5	c.880A>T	p.Lys294*	stop_gained	Exon 6 of 7	1		ENSP00000353944.5
SQSTM1	ENST00000510187.5	c.950+522A>T		intron_variant	Intron 6 of 6	5		ENSP00000424477.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000479 AC: 7 AN: 1461856 Hom.: 0 Cov.: 33 AF XY: 0.00000550 AC XY: 4 AN XY: 727226

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53386

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00000629 AC: 7 AN: 1112010

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 32

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Paget disease of bone 3 Pathogenic:1

Jul 01, 2006

OMIM

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: literature only

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Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.63	D
BayesDel_noAF	Pathogenic	0.46
CADD	Pathogenic	47
DANN	Uncertain	0.99
Eigen	Pathogenic	0.70
Eigen_PC	Uncertain	0.55
FATHMM_MKL	Pathogenic	0.98	D
PhyloP100		1.5
Vest4		0.95
GERP RS		5.2
Mutation Taster		=1/199	disease causing (ClinVar)

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.040		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: rs796052213; hg19: chr5-179260749;