chr6-31927968-G-A
Variant summary
Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7
The NM_000063.6(C2):c.60G>A(p.Ser20=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000328 in 1,461,874 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
Genomes: not found (cov: 32)
Exomes 𝑓: 0.000033 ( 0 hom. )
Consequence
C2
NM_000063.6 synonymous
NM_000063.6 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -3.45
Genes affected
C2 (HGNC:1248): (complement C2) Component C2 is a serum glycoprotein that functions as part of the classical pathway of the complement system. Activated C1 cleaves C2 into C2a and C2b. The serine proteinase C2a then combines with complement factor 4b to create the C3 or C5 convertase. Deficiency of C2 has been reported to associated with certain autoimmune diseases and SNPs in this gene have been associated with altered susceptibility to age-related macular degeneration. This gene localizes within the class III region of the MHC on the short arm of chromosome 6. Alternative splicing results in multiple transcript variants encoding distinct isoforms. Additional transcript variants have been described in publications but their full-length sequence has not been determined.[provided by RefSeq, Mar 2009]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -5 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
?
Variant 6-31927968-G-A is Benign according to our data. Variant chr6-31927968-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 1557103.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
?
Synonymous conserved (PhyloP=-3.45 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
C2 | NM_000063.6 | c.60G>A | p.Ser20= | synonymous_variant | 2/18 | ENST00000299367.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
C2 | ENST00000299367.10 | c.60G>A | p.Ser20= | synonymous_variant | 2/18 | 1 | NM_000063.6 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 32
GnomAD3 genomes
?
Cov.:
32
GnomAD3 exomes AF: 0.0000159 AC: 4AN: 251474Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135914
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GnomAD4 exome AF: 0.0000328 AC: 48AN: 1461874Hom.: 0 Cov.: 31 AF XY: 0.0000289 AC XY: 21AN XY: 727244
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GnomAD4 genome ? Cov.: 32
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not provided Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Invitae | Oct 05, 2023 | - - |
Computational scores
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Name
Calibrated prediction
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BayesDel_noAF
Benign
Cadd
Benign
Dann
Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at