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GeneBe

20-50587321-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001290268.2(RIPOR3):c.2764C>T(p.Arg922Trp) variant causes a missense change. The variant allele was found at a frequency of 0.0000669 in 1,613,942 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00024 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000049 ( 1 hom. )

Consequence

RIPOR3
NM_001290268.2 missense

Scores

1
13
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.90
Variant links:
Genes affected
RIPOR3 (HGNC:16168): (RIPOR family member 3)

Genome browser will be placed here

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
RIPOR3NM_001290268.2 linkuse as main transcriptc.2764C>T p.Arg922Trp missense_variant 22/22 ENST00000327979.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RIPOR3ENST00000327979.8 linkuse as main transcriptc.2764C>T p.Arg922Trp missense_variant 22/222 NM_001290268.2
RIPOR3ENST00000045083.6 linkuse as main transcriptc.2752C>T p.Arg918Trp missense_variant 22/225 P1Q96MK2-1
RIPOR3ENST00000462842.1 linkuse as main transcriptn.430C>T non_coding_transcript_exon_variant 3/32

Frequencies

GnomAD3 genomes
AF:
0.000243
AC:
37
AN:
152214
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.0000722
AC:
18
AN:
249166
Hom.:
0
AF XY:
0.0000813
AC XY:
11
AN XY:
135278
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000261
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000556
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000708
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000486
AC:
71
AN:
1461610
Hom.:
1
Cov.:
30
AF XY:
0.0000509
AC XY:
37
AN XY:
727136
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.000201
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000504
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.000243
AC:
37
AN:
152332
Hom.:
0
Cov.:
33
AF XY:
0.000282
AC XY:
21
AN XY:
74490
show subpopulations
Gnomad4 AFR
AF:
0.000168
Gnomad4 AMR
AF:
0.00131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.0000277
Hom.:
0
Bravo
AF:
0.000219
ESP6500AA
AF:
0.000259
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000414
AC:
5
EpiCase
AF:
0.000164
EpiControl
AF:
0.000178

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 submitterclinical testingAmbry GeneticsNov 15, 2021The c.2752C>T (p.R918W) alteration is located in exon 22 (coding exon 21) of the FAM65C gene. This alteration results from a C to T substitution at nucleotide position 2752, causing the arginine (R) at amino acid position 918 to be replaced by a tryptophan (W). 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
0.17
BayesDel_addAF
Uncertain
0.031
T
BayesDel_noAF
Uncertain
0.10
Cadd
Pathogenic
27
Dann
Uncertain
1.0
DEOGEN2
Benign
0.34
T;T
Eigen
Uncertain
0.57
Eigen_PC
Uncertain
0.48
FATHMM_MKL
Uncertain
0.87
D
M_CAP
Uncertain
0.16
D
MetaRNN
Uncertain
0.67
D;D
MetaSVM
Uncertain
0.36
D
MutationTaster
Benign
0.61
N;N;N
PrimateAI
Uncertain
0.51
T
PROVEAN
Pathogenic
-4.5
D;D
REVEL
Uncertain
0.49
Sift
Uncertain
0.0010
D;D
Sift4G
Uncertain
0.0020
D;D
Polyphen
1.0
D;D
Vest4
0.51
MVP
0.88
MPC
0.46
ClinPred
0.80
D
GERP RS
5.8
Varity_R
0.23
gMVP
0.42

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs373302861; hg19: chr20-49203858; API