NM_001286445.3:c.3089G>A

Variant summary

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

The NM_001286445.3(RIPOR2):​c.3089G>A​(p.Arg1030Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000286 in 1,399,486 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000029 ( 0 hom. )

Consequence

RIPOR2
NM_001286445.3 missense

Scores

2
8
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.39

Publications

2 publications found
Variant links:
Genes affected
RIPOR2 (HGNC:13872): (RHO family interacting cell polarization regulator 2) This gene encodes an atypical inhibitor of the small G protein RhoA. Inhibition of RhoA activity by the encoded protein mediates myoblast fusion and polarization of T cells and neutrophils. The encoded protein is a component of hair cell stereocilia that is essential for hearing. A splice site mutation in this gene results in hearing loss in human patients. [provided by RefSeq, Sep 2016]
RIPOR2 Gene-Disease associations (from GenCC):
  • autosomal recessive nonsyndromic hearing loss 104
    Inheritance: AR Classification: MODERATE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, PanelApp Australia
  • nonsyndromic genetic hearing loss
    Inheritance: AR Classification: MODERATE Submitted by: ClinGen
  • hearing loss, autosomal recessive
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • autosomal dominant nonsyndromic hearing loss 21
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

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=0.32783717).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
RIPOR2NM_001286445.3 linkc.3089G>A p.Arg1030Gln missense_variant Exon 22 of 22 ENST00000643898.2 NP_001273374.1 A0A2R8YEE0B7Z5J9

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
RIPOR2ENST00000643898.2 linkc.3089G>A p.Arg1030Gln missense_variant Exon 22 of 22 NM_001286445.3 ENSP00000494268.2 A0A2R8YEE0
ENSG00000282804ENST00000562221.1 linkc.128G>A p.Arg43Gln missense_variant Exon 2 of 3 5 ENSP00000455145.1 H3BP45

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
0.00000286
AC:
4
AN:
1399486
Hom.:
0
Cov.:
31
AF XY:
0.00000435
AC XY:
3
AN XY:
690246
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
31592
American (AMR)
AF:
0.00
AC:
0
AN:
35684
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25174
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35732
South Asian (SAS)
AF:
0.0000253
AC:
2
AN:
79204
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49366
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5700
European-Non Finnish (NFE)
AF:
0.00000185
AC:
2
AN:
1078954
Other (OTH)
AF:
0.00
AC:
0
AN:
58080
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.00
Hom.:
0

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Apr 17, 2025
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.3152G>A (p.R1051Q) alteration is located in exon 23 (coding exon 22) of the FAM65B gene. This alteration results from a G to A substitution at nucleotide position 3152, causing the arginine (R) at amino acid position 1051 to be replaced by a glutamine (Q). 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
0.098
BayesDel_addAF
Pathogenic
0.20
D
BayesDel_noAF
Uncertain
0.050
CADD
Uncertain
25
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.0027
.;T;T;T;.;.
Eigen
Uncertain
0.50
Eigen_PC
Uncertain
0.57
FATHMM_MKL
Uncertain
0.81
D
LIST_S2
Uncertain
0.91
D;.;D;.;D;D
M_CAP
Benign
0.014
T
MetaRNN
Benign
0.33
T;T;T;T;T;T
MetaSVM
Benign
-0.58
T
PhyloP100
3.4
PrimateAI
Uncertain
0.49
T
PROVEAN
Benign
-0.81
N;.;.;N;.;.
REVEL
Uncertain
0.34
Sift
Benign
0.044
D;.;.;T;.;.
Sift4G
Uncertain
0.025
D;.;T;T;.;.
Polyphen
0.99
.;D;D;D;.;.
Vest4
0.47, 0.46
MutPred
0.37
.;Gain of helix (P = 0.0325);Gain of helix (P = 0.0325);Gain of helix (P = 0.0325);.;.;
MVP
0.89
MPC
0.41
ClinPred
0.80
D
GERP RS
6.1
Varity_R
0.10
gMVP
0.19
Mutation Taster
=90/10
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs767133936; hg19: chr6-24806656; COSMIC: COSV52417601; API