rs35461805

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_005619.5(RTN2):c.1274G>C(p.Arg425Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,398 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R425Q) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

RTN2
NM_005619.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.276

Publications

6 publications found

Variant links:

Genes affected

RTN2 (HGNC:10468): (reticulon 2) This gene belongs to the family of reticulon encoding genes. Reticulons are associated with the endoplasmic reticulum, and are involved in neuroendocrine secretion or in membrane trafficking in neuroendocrine cells. Reticulon proteins also play an important role in the replication of positive-strand RNA (ssRNA) viruses. Mutations at this locus have been associated with autosomal dominant spastic paraplegia-12. [provided by RefSeq, Aug 2020]

RTN2 links:

PPM1N (HGNC:26845): (protein phosphatase, Mg2+/Mn2+ dependent 1N (putative)) Predicted to enable metal ion binding activity and protein serine/threonine phosphatase activity. Predicted to be involved in negative regulation of I-kappaB kinase/NF-kappaB signaling and positive regulation of canonical Wnt signaling pathway. Predicted to be active in cytosol and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

PPM1N links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.1126858).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RTN2	NM_005619.5 link	c.1274G>C	p.Arg425Pro	missense_variant	Exon 7 of 11	ENST00000245923.9	NP_005610.1	O75298-1A8K7F2Q6GMT0
RTN2	NM_206900.3 link	c.1055G>C	p.Arg352Pro	missense_variant	Exon 6 of 10		NP_996783.1	O75298-2A8K7F2Q6GMT0
RTN2	NM_206901.3 link	c.254G>C	p.Arg85Pro	missense_variant	Exon 3 of 7		NP_996784.1	O75298-3A8K7F2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RTN2	ENST00000245923.9 link	c.1274G>C	p.Arg425Pro	missense_variant	Exon 7 of 11	1	NM_005619.5	ENSP00000245923.3		O75298-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000411

AC:

AN:

243548

AF XY:

0.00000759

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000294

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1459398

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

725732

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33438

American (AMR)

AF:

0.0000225

AC:

AN:

44422

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26062

East Asian (EAS)

AF:

0.00

AC:

AN:

39598

South Asian (SAS)

AF:

0.00

AC:

AN:

85632

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53138

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5746

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111076

Other (OTH)

AF:

0.00

AC:

AN:

60286

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.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Jan 21, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.1274G>C (p.R425P) alteration is located in exon 7 (coding exon 7) of the RTN2 gene. This alteration results from a G to C substitution at nucleotide position 1274, causing the arginine (R) at amino acid position 425 to be replaced by a proline (P). 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

0.30

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.45

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.23

T;.;T;.

Eigen

Benign

-0.32

Eigen_PC

Benign

-0.31

FATHMM_MKL

Benign

0.067

LIST_S2

Benign

0.69

T;T;T;T

M_CAP

Benign

0.0086

MetaRNN

Benign

0.11

T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.0

N;.;.;.

PhyloP100

-0.28

PrimateAI

Benign

0.39

PROVEAN

Benign

-2.0

N;N;.;N

REVEL

Benign

0.079

Sift

Benign

0.049

D;T;.;T

Sift4G

Benign

0.21

T;T;T;T

Polyphen

0.93

P;.;.;P

Vest4

0.25

MutPred

0.50

Gain of loop (P = 0.0312);.;.;.;

MVP

0.082

MPC

0.44

ClinPred

0.43

GERP RS

1.0

PromoterAI

0.011

Neutral

(source)

Varity_R

0.59

gMVP

0.81

Mutation Taster

=62/38

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

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