rs3124932
Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1
The NM_000093.5(COL5A1):c.2430+20C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.439 in 1,611,542 control chromosomes in the GnomAD database, including 163,758 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as 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 |
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COL5A1 | NM_000093.5 | c.2430+20C>T | intron_variant | Intron 28 of 65 | ENST00000371817.8 | NP_000084.3 | ||
COL5A1 | NM_001278074.1 | c.2430+20C>T | intron_variant | Intron 28 of 65 | NP_001265003.1 | |||
COL5A1 | XM_017014266.3 | c.2430+20C>T | intron_variant | Intron 28 of 64 | XP_016869755.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.368 AC: 55888AN: 151986Hom.: 12184 Cov.: 33
GnomAD3 exomes AF: 0.418 AC: 104628AN: 250528Hom.: 24214 AF XY: 0.426 AC XY: 57849AN XY: 135712
GnomAD4 exome AF: 0.447 AC: 651994AN: 1459438Hom.: 151569 Cov.: 39 AF XY: 0.448 AC XY: 325358AN XY: 726128
GnomAD4 genome AF: 0.368 AC: 55900AN: 152104Hom.: 12189 Cov.: 33 AF XY: 0.371 AC XY: 27607AN XY: 74340
ClinVar
Submissions by phenotype
not specified Benign:4
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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not provided Benign:2
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Variant summary: The COL5A1 c.2430+20C>T variant involves the alteration of a non-conserved intronic nucleotide. Although Mutation Taster was down at the time of this scoring, 5/5 splice prediction tools predict no significant impact on normal splicing and has no significant effect on ESE sites at the locus. However, these predictions have yet to be confirmed by functional studies. This variant was found in 49278/120530 control chromosomes (11250 homozygotes) at a frequency of 0.4088443, which is approximately 327075 times the estimated maximal expected allele frequency of a pathogenic COL5A1 variant (0.0000013), suggesting this variant is likely a benign polymorphism. In addition, multiple clinical diagnostic laboratories/reputable databases classified this variant as benign. Taken together, this variant is 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