5-112841729-C-T
Variant summary
Our verdict is Benign. Variant got -15 ACMG points: 0P and 15B. BP4_ModerateBP6_Very_StrongBP7BS2
The NM_000038.6(APC):c.6135C>T(p.Ser2045Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000576 in 1,613,624 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Consequence
NM_000038.6 synonymous
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -15 ACMG points.
Transcripts
RefSeq
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
APC | ENST00000257430.9 | c.6135C>T | p.Ser2045Ser | synonymous_variant | Exon 16 of 16 | 5 | NM_000038.6 | ENSP00000257430.4 | ||
ENSG00000258864 | ENST00000520401.1 | n.228+12757C>T | intron_variant | Intron 3 of 7 | 3 | ENSP00000454861.1 |
Frequencies
GnomAD3 genomes AF: 0.0000461 AC: 7AN: 151986Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.0000558 AC: 14AN: 250796Hom.: 0 AF XY: 0.0000590 AC XY: 8AN XY: 135512
GnomAD4 exome AF: 0.0000588 AC: 86AN: 1461520Hom.: 0 Cov.: 35 AF XY: 0.0000591 AC XY: 43AN XY: 727100
GnomAD4 genome AF: 0.0000460 AC: 7AN: 152104Hom.: 0 Cov.: 32 AF XY: 0.0000538 AC XY: 4AN XY: 74358
ClinVar
Submissions by phenotype
not provided Benign:3
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Hereditary cancer-predisposing syndrome Benign:3
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This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
not specified Benign:2
This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
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Familial adenomatous polyposis 1 Benign:2
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This variant is considered benign. This variant is a silent/synonymous amino acid change and it is not expected to impact splicing. -
Carcinoma of colon Benign:1
The APC p.Ser2045Ser variant was not identified in the literature. The variant was identified in dbSNP (ID: rs 187297940) “With likely benign allele”, Clinvitae database (as likely benign), ClinVar database (classified as “likely benign” by Invitae) and the Exome Aggregation Consortium (ExAC) database (released Jan 13, 2015) in 8 of 66680 chromosomes (frequency: 0.00012) from a population of European (Non-Finnish) individuals as well as at extremely low frequencies in European (Finnish) (0.00015) and South Asian (0.00006) populations, although this low number of observations and low frequency is not substantive enough to determine the prevalence of the variant in the general population and its relationship to disease. The p.Ser2045Ser variant is not expected to have clinical significance because it does not result in a change of amino acid and is not located in a known consensus splice site. In summary, based on the above information, the clinical significance of this variant cannot be determined with certainty at this time although we would lean towards a more benign role for this variant. This variant is classified as likely benign. -
Classic or attenuated familial adenomatous polyposis Benign:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at