1-74723262-G-T
Variant summary
Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4_ModerateBP6_ModerateBP7
The NM_001889.4(CRYZ):c.120C>A(p.Ile40=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000588 in 1,607,654 control chromosomes in the GnomAD database, including 4 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: 𝑓 0.00040 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00061 ( 3 hom. )
Consequence
CRYZ
NM_001889.4 synonymous
NM_001889.4 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: 1.86
Genes affected
CRYZ (HGNC:2419): (crystallin zeta) Crystallins are separated into two classes: taxon-specific, or enzyme, and ubiquitous. The latter class constitutes the major proteins of vertebrate eye lens and maintains the transparency and refractive index of the lens. The former class is also called phylogenetically-restricted crystallins. This gene encodes a taxon-specific crystallin protein which has NADPH-dependent quinone reductase activity distinct from other known quinone reductases. It lacks alcohol dehydrogenase activity although by similarity it is considered a member of the zinc-containing alcohol dehydrogenase family. Unlike other mammalian species, in humans, lens expression is low. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. One pseudogene is known to exist. [provided by RefSeq, Sep 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -5 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.33).
BP6
?
Variant 1-74723262-G-T is Benign according to our data. Variant chr1-74723262-G-T is described in ClinVar as [Likely_benign]. Clinvar id is 3048884.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
?
Synonymous conserved (PhyloP=1.86 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
CRYZ | NM_001889.4 | c.120C>A | p.Ile40= | synonymous_variant | 3/9 | ENST00000340866.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
CRYZ | ENST00000340866.10 | c.120C>A | p.Ile40= | synonymous_variant | 3/9 | 1 | NM_001889.4 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.000401 AC: 61AN: 152148Hom.: 1 Cov.: 32
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GnomAD3 exomes AF: 0.000760 AC: 185AN: 243562Hom.: 0 AF XY: 0.000944 AC XY: 124AN XY: 131398
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GnomAD4 exome AF: 0.000608 AC: 885AN: 1455388Hom.: 3 Cov.: 31 AF XY: 0.000730 AC XY: 528AN XY: 723634
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GnomAD4 genome ? AF: 0.000401 AC: 61AN: 152266Hom.: 1 Cov.: 32 AF XY: 0.000510 AC XY: 38AN XY: 74462
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
CRYZ-related disorder Benign:1
Likely benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | Sep 23, 2021 | This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). - |
Computational scores
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Name
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BayesDel_noAF
Benign
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Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
Splicing
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Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at