6-42173619-C-T
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Variant summary
Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7
The NM_001384910.1(GUCA1A):c.6C>T(p.Gly2Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,482 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: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )
Consequence
GUCA1A
NM_001384910.1 synonymous
NM_001384910.1 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.135
Genes affected
GUCA1A (HGNC:4678): (guanylate cyclase activator 1A) This gene encodes an enzyme that plays a role in the recovery of retinal photoreceptors from photobleaching. This enzyme promotes the activity of retinal guanylyl cyclase-1 (GC1) at low calcium concentrations and inhibits GC1 at high calcium concentrations. Mutations in this gene can cause cone dystrophy 3 and code-rod dystrophy 14. provided by RefSeq, Jul 2020]
ENSG00000290147 (HGNC:56129): (GUCA1ANB-GUCA1A readthrough) This locus represents naturally occurring readthrough transcription between the neighboring GUCA1ANB (GUCA1A neighbor) and GUCA1A (guanylate cyclase activator 1A) genes on chromosome 6. The readthrough transcript encodes the same protein as GUCA1A. [provided by RefSeq, Jul 2020]
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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=-0.78).
BP6
Variant 6-42173619-C-T is Benign according to our data. Variant chr6-42173619-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 1627619.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-0.135 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
GUCA1A | NM_001384910.1 | c.6C>T | p.Gly2Gly | synonymous_variant | 1/4 | ENST00000372958.2 | NP_001371839.1 | |
GUCA1ANB-GUCA1A | NM_000409.5 | c.6C>T | p.Gly2Gly | synonymous_variant | 3/6 | NP_000400.2 | ||
GUCA1ANB-GUCA1A | NM_001319061.2 | c.6C>T | p.Gly2Gly | synonymous_variant | 3/6 | NP_001305990.1 | ||
GUCA1ANB-GUCA1A | NM_001319062.2 | c.6C>T | p.Gly2Gly | synonymous_variant | 2/5 | NP_001305991.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152222Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.00000796 AC: 2AN: 251326Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135850
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GnomAD4 exome AF: 0.00000137 AC: 2AN: 1461142Hom.: 0 Cov.: 31 AF XY: 0.00000275 AC XY: 2AN XY: 726934
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GnomAD4 genome AF: 0.00000656 AC: 1AN: 152340Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0AN XY: 74502
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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 | Labcorp Genetics (formerly Invitae), Labcorp | Nov 28, 2022 | - - |
Computational scores
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Benign
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DANN
Benign
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at