chr17-8288793-A-G
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Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_016492.5(RANGRF):āc.5A>Gā(p.Glu2Gly) variant causes a missense change. The variant allele was found at a frequency of 0.0000229 in 1,613,954 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā ).
Frequency
Genomes: š 0.0000066 ( 0 hom., cov: 32)
Exomes š: 0.000025 ( 0 hom. )
Consequence
RANGRF
NM_016492.5 missense
NM_016492.5 missense
Scores
2
10
7
Clinical Significance
Conservation
PhyloP100: 3.99
Genes affected
RANGRF (HGNC:17679): (RAN guanine nucleotide release factor) This gene encodes a protein that has been shown to function as a guanine nucleotide release factor in mouse and to regulate the expression and function of the Nav1.5 cardiac sodium channel in human. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2010]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
RANGRF | NM_016492.5 | c.5A>G | p.Glu2Gly | missense_variant | 1/5 | ENST00000226105.11 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
RANGRF | ENST00000226105.11 | c.5A>G | p.Glu2Gly | missense_variant | 1/5 | 1 | NM_016492.5 | P1 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152194Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.00000399 AC: 1AN: 250334Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135428
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GnomAD4 exome AF: 0.0000246 AC: 36AN: 1461760Hom.: 0 Cov.: 32 AF XY: 0.0000248 AC XY: 18AN XY: 727184
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152194Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74340
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Cardiac arrhythmia Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Oct 22, 2023 | This sequence change replaces glutamic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 2 of the RANGRF protein (p.Glu2Gly). This variant is present in population databases (rs763301510, gnomAD 0.0009%). This missense change has been observed in individual(s) with arrhythmia (PMID: 30847666). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. - |
Computational scores
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Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Uncertain
CADD
Uncertain
DANN
Benign
DEOGEN2
Benign
T;.;.;.
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Benign
T;T;T;T
M_CAP
Pathogenic
D
MetaRNN
Uncertain
D;D;D;D
MetaSVM
Uncertain
D
MutationAssessor
Benign
L;L;L;L
MutationTaster
Benign
D;D;D;D;D;D;D
PrimateAI
Uncertain
T
PROVEAN
Benign
N;N;.;N
REVEL
Uncertain
Sift
Uncertain
D;D;.;D
Sift4G
Uncertain
D;D;D;D
Polyphen
D;.;D;D
Vest4
MutPred
Loss of stability (P = 0.1112);Loss of stability (P = 0.1112);Loss of stability (P = 0.1112);Loss of stability (P = 0.1112);
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