5-179836454-T-C
Variant summary
Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM1PM2
The NM_003900.5(SQSTM1):c.1184T>C(p.Ile395Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,894 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )
Consequence
SQSTM1
NM_003900.5 missense
NM_003900.5 missense
Scores
3
11
5
Clinical Significance
Conservation
PhyloP100: 7.99
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]
MRNIP (HGNC:30817): (MRN complex interacting protein) Enables chromatin binding activity. Involved in several processes, including mitotic G2 DNA damage checkpoint signaling; regulation of double-strand break repair; and response to ionizing radiation. Located in nucleoplasm. Colocalizes with Mre11 complex. [provided by Alliance of Genome Resources, Apr 2022]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 4 ACMG points.
PM1
?
In a hotspot region, there are 4 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 2 benign, 7 uncertain in NM_003900.5
PM2
?
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
SQSTM1 | NM_003900.5 | c.1184T>C | p.Ile395Thr | missense_variant | 8/8 | ENST00000389805.9 | |
SQSTM1 | NM_001142298.2 | c.932T>C | p.Ile311Thr | missense_variant | 9/9 | ||
SQSTM1 | NM_001142299.2 | c.932T>C | p.Ile311Thr | missense_variant | 9/9 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
SQSTM1 | ENST00000389805.9 | c.1184T>C | p.Ile395Thr | missense_variant | 8/8 | 1 | NM_003900.5 | P1 | |
SQSTM1 | ENST00000360718.5 | c.932T>C | p.Ile311Thr | missense_variant | 7/7 | 1 | |||
MRNIP | ENST00000522663.5 | c.*1236A>G | 3_prime_UTR_variant, NMD_transcript_variant | 9/9 | 1 | ||||
SQSTM1 | ENST00000510187.5 | c.951-17T>C | splice_polypyrimidine_tract_variant, intron_variant | 5 |
Frequencies
GnomAD3 genomes ? Cov.: 33
GnomAD3 genomes
?
Cov.:
33
GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251250Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135814
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GnomAD4 exome AF: 0.00000137 AC: 2AN: 1461894Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1AN XY: 727248
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GnomAD4 genome ? Cov.: 33
GnomAD4 genome
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Cov.:
33
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Frontotemporal dementia and/or amyotrophic lateral sclerosis 1;C4085251:Paget disease of bone 2, early-onset Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Sep 21, 2021 | In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals affected with SQSTM1-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces isoleucine with threonine at codon 395 of the SQSTM1 protein (p.Ile395Thr). The isoleucine residue is moderately conserved and there is a moderate physicochemical difference between isoleucine and threonine. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Uncertain
Cadd
Pathogenic
Dann
Uncertain
DEOGEN2
Uncertain
D;.
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
D;D
M_CAP
Uncertain
D
MetaRNN
Uncertain
D;D
MetaSVM
Uncertain
D
MutationAssessor
Benign
L;.
MutationTaster
Benign
D;D;D;D;D;D
PrimateAI
Uncertain
T
PROVEAN
Benign
N;N
REVEL
Pathogenic
Sift
Benign
T;T
Sift4G
Benign
T;D
Polyphen
D;.
Vest4
MutPred
Gain of glycosylation at I395 (P = 0.0114);.;
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at