13-33818231-A-G
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_002915.4(RFC3):c.53A>G(p.Tyr18Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000186 in 1,613,564 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000017 ( 1 hom. )
Consequence
RFC3
NM_002915.4 missense
NM_002915.4 missense
Scores
3
11
5
Clinical Significance
Conservation
PhyloP100: 2.09
Genes affected
RFC3 (HGNC:9971): (replication factor C subunit 3) The elongation of primed DNA templates by DNA polymerase delta and DNA polymerase epsilon requires the accessory proteins proliferating cell nuclear antigen (PCNA) and replication factor C (RFC). RFC, also named activator 1, is a protein complex consisting of five distinct subunits of 140, 40, 38, 37, and 36 kDa. This gene encodes the 38 kDa subunit. This subunit is essential for the interaction between the 140 kDa subunit and the core complex that consists of the 36, 37, and 40 kDa subunits. Alternatively spliced transcript variants encoding distinct isoforms have been described. [provided by RefSeq, Jul 2008]
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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 |
---|---|---|---|---|---|---|---|
RFC3 | NM_002915.4 | c.53A>G | p.Tyr18Cys | missense_variant | 1/9 | ENST00000380071.8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
RFC3 | ENST00000380071.8 | c.53A>G | p.Tyr18Cys | missense_variant | 1/9 | 1 | NM_002915.4 | P1 | |
RFC3 | ENST00000434425.5 | c.53A>G | p.Tyr18Cys | missense_variant | 1/9 | 5 |
Frequencies
GnomAD3 genomes ? AF: 0.0000328 AC: 5AN: 152254Hom.: 0 Cov.: 32
GnomAD3 genomes
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GnomAD3 exomes AF: 0.0000404 AC: 10AN: 247602Hom.: 0 AF XY: 0.0000444 AC XY: 6AN XY: 135024
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GnomAD4 exome AF: 0.0000171 AC: 25AN: 1461310Hom.: 1 Cov.: 31 AF XY: 0.0000234 AC XY: 17AN XY: 726964
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GnomAD4 genome ? AF: 0.0000328 AC: 5AN: 152254Hom.: 0 Cov.: 32 AF XY: 0.0000403 AC XY: 3AN XY: 74390
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Aug 31, 2022 | The c.53A>G (p.Y18C) alteration is located in exon 1 (coding exon 1) of the RFC3 gene. This alteration results from a A to G substitution at nucleotide position 53, causing the tyrosine (Y) at amino acid position 18 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Uncertain
Cadd
Pathogenic
Dann
Uncertain
DEOGEN2
Uncertain
T;.
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Uncertain
D
LIST_S2
Pathogenic
D;D
M_CAP
Benign
D
MetaRNN
Uncertain
D;D
MetaSVM
Benign
T
MutationAssessor
Pathogenic
M;M
MutationTaster
Benign
D;D
PrimateAI
Uncertain
T
PROVEAN
Pathogenic
D;D
REVEL
Uncertain
Sift
Uncertain
D;D
Sift4G
Uncertain
D;D
Polyphen
D;.
Vest4
MutPred
Loss of phosphorylation at Y18 (P = 0.0631);Loss of phosphorylation at Y18 (P = 0.0631);
MVP
MPC
ClinPred
D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
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Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at