chr17-8015485-G-T
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Variant summary
Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM1PM2PP3_Strong
The NM_000180.4(GUCY2D):c.2927G>T(p.Arg976Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 12/21 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: not found (cov: 33)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control
Consequence
GUCY2D
NM_000180.4 missense
NM_000180.4 missense
Scores
15
3
1
Clinical Significance
Conservation
PhyloP100: 10.0
Genes affected
GUCY2D (HGNC:4689): (guanylate cyclase 2D, retinal) This gene encodes a retina-specific guanylate cyclase, which is a member of the membrane guanylyl cyclase family. Like other membrane guanylyl cyclases, this enzyme has a hydrophobic amino-terminal signal sequence followed by a large extracellular domain, a single membrane spanning domain, a kinase homology domain, and a guanylyl cyclase catalytic domain. In contrast to other membrane guanylyl cyclases, this enzyme is not activated by natriuretic peptides. Mutations in this gene result in Leber congenital amaurosis and cone-rod dystrophy-6 diseases. [provided by RefSeq, Dec 2008]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 8 ACMG points.
PM1
In a domain Guanylate cyclase (size 130) in uniprot entity GUC2D_HUMAN there are 32 pathogenic changes around while only 0 benign (100%) in NM_000180.4
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.994
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
GUCY2D | NM_000180.4 | c.2927G>T | p.Arg976Leu | missense_variant | 15/20 | ENST00000254854.5 | NP_000171.1 | |
GUCY2D | XM_011523816.2 | c.2927G>T | p.Arg976Leu | missense_variant | 14/19 | XP_011522118.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
GUCY2D | ENST00000254854.5 | c.2927G>T | p.Arg976Leu | missense_variant | 15/20 | 1 | NM_000180.4 | ENSP00000254854 | P1 | |
ENST00000623126.1 | n.894C>A | non_coding_transcript_exon_variant | 1/1 |
Frequencies
GnomAD3 genomes Cov.: 33
GnomAD3 genomes
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33
GnomAD3 exomes AF: 0.00000402 AC: 1AN: 248910Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 134814
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GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0AN: 1459564Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 726030
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GnomAD4 genome Cov.: 33
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33
ClinVar
Significance: Uncertain significance
Submissions summary: Pathogenic:1Uncertain:3Other:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Leber congenital amaurosis 1 Pathogenic:1Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Genomic Research Center, Shahid Beheshti University of Medical Sciences | Aug 07, 2018 | - - |
Likely pathogenic, no assertion criteria provided | research | Laboratory of Genetics in Ophthalmology, Institut Imagine | - | - - |
Choroidal dystrophy, central areolar, 1 Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Genomic Research Center, Shahid Beheshti University of Medical Sciences | Aug 07, 2018 | - - |
Cone-rod dystrophy 6 Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Genomic Research Center, Shahid Beheshti University of Medical Sciences | Aug 07, 2018 | - - |
not provided Other:1
not provided, no classification provided | literature only | Retina International | - | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Uncertain
DEOGEN2
Pathogenic
D
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Pathogenic
D
LIST_S2
Pathogenic
D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D
MetaSVM
Pathogenic
D
MutationAssessor
Pathogenic
H
MutationTaster
Benign
D
PrimateAI
Pathogenic
D
PROVEAN
Pathogenic
D
REVEL
Pathogenic
Sift
Uncertain
D
Sift4G
Uncertain
D
Polyphen
D
Vest4
MutPred
Loss of methylation at R976 (P = 0.0538);
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
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