9-134803007-G-C
Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2
The NM_000093.5(COL5A1):c.3114+12G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000149 in 1,580,232 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_000093.5 intron
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -20 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
COL5A1 | NM_000093.5 | c.3114+12G>C | intron_variant | Intron 39 of 65 | ENST00000371817.8 | NP_000084.3 | ||
COL5A1 | NM_001278074.1 | c.3114+12G>C | intron_variant | Intron 39 of 65 | NP_001265003.1 | |||
COL5A1 | XM_017014266.3 | c.3114+12G>C | intron_variant | Intron 39 of 64 | XP_016869755.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.000151 AC: 23AN: 152178Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.000132 AC: 26AN: 197082Hom.: 0 AF XY: 0.000161 AC XY: 17AN XY: 105858
GnomAD4 exome AF: 0.000148 AC: 212AN: 1428054Hom.: 0 Cov.: 29 AF XY: 0.000155 AC XY: 110AN XY: 708184
GnomAD4 genome AF: 0.000151 AC: 23AN: 152178Hom.: 0 Cov.: 33 AF XY: 0.000148 AC XY: 11AN XY: 74346
ClinVar
Submissions by phenotype
not specified Benign:3
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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. -
Variant summary: COL5A1 c.3114+12G>C alters a non-conserved nucleotide located at a position not widely known to affect splicing. Consensus agreement among computation tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 0.00013 in 197082 control chromosomes, predominantly at a frequency of 0.00028 within the Non-Finnish European subpopulation in the gnomAD database. The observed variant frequency within Non-Finnish European control individuals in the gnomAD database is approximately 9 fold of the estimated maximal expected allele frequency for a pathogenic variant in COL5A1 causing Ehlers-Danlos Syndrome phenotype (3.1e-05), strongly suggesting that the variant is a benign polymorphism found primarily in populations of Non-Finnish European origin. To our knowledge, no occurrence of c.3114+12G>C in individuals affected with Ehlers-Danlos Syndrome and no experimental evidence demonstrating its impact on protein function have been reported. ClinVar contains an entry for this variant (Variation ID: 136878). Based on the evidence outlined above, the variant was classified as benign. -
Ehlers-Danlos syndrome, classic type, 1 Benign:2
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Fibromuscular dysplasia, multifocal Benign:1
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Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at