Genetic Variant RGPD3:p.Leu1733Phe (chr2-106413153-G-A) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001144013.2(RGPD3):c.5197C>T(p.Leu1733Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 29)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

RGPD3
NM_001144013.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.02

Publications

0 publications found

Variant links:

Genes affected

RGPD3 (HGNC:32416): (RANBP2 like and GRIP domain containing 3) This gene is located in a cluster of Ran-binding protein related genes on chromosome 2 which arose through duplication in primates. The encoded protein contains an N-terminal TPR (tetratricopeptide repeat) domain, two Ran-binding domains, and a C-terminal GRIP domain (golgin-97, RanBP2alpha, Imh1p and p230/golgin-245) domain. [provided by RefSeq, Sep 2011]

RGPD3 links:

ENSG00000291125 (HGNC:):

ENSG00000291125 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.4211324).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RGPD3	NM_001144013.2 link	c.5197C>T	p.Leu1733Phe	missense_variant	Exon 22 of 23	ENST00000409886.4	NP_001137485.1	A6NKT7
RGPD3	XM_017004738.2 link	c.5221C>T	p.Leu1741Phe	missense_variant	Exon 23 of 24		XP_016860227.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RGPD3	ENST00000409886.4 link	c.5197C>T	p.Leu1733Phe	missense_variant	Exon 22 of 23	1	NM_001144013.2	ENSP00000386588.4		A6NKT7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

6.85e-7

AC:

AN:

1459580

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726092

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33402

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26124

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86122

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4126

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111786

Other (OTH)

AF:

0.00

AC:

AN:

60194

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Sep 26, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.5197C>T (p.L1733F) alteration is located in exon 22 (coding exon 22) of the RGPD3 gene. This alteration results from a C to T substitution at nucleotide position 5197, causing the leucine (L) at amino acid position 1733 to be replaced by a phenylalanine (F). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.18

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.46

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0053

.;T

Eigen

Benign

0.087

Eigen_PC

Benign

-0.11

FATHMM_MKL

Benign

0.53

LIST_S2

Pathogenic

0.97

D;D

M_CAP

Benign

0.0047

MetaRNN

Benign

0.42

T;T

MetaSVM

Benign

-0.91

MutationAssessor

Uncertain

2.1

.;M

PhyloP100

3.0

PrimateAI

Uncertain

0.72

PROVEAN

Benign

-0.35

.;N

REVEL

Benign

0.20

Sift

Pathogenic

0.0

.;D

Sift4G

Uncertain

0.021

D;D

Polyphen

1.0

.;D

Vest4

0.54

MutPred

0.77

.;Loss of helix (P = 0.1299);

MVP

0.14

ClinPred

0.81

GERP RS

1.1

Varity_R

0.18

gMVP

0.23

Mutation Taster

=98/2

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over