Genetic Variant REEP3:p.Ile70Val (chr10-63598049-A-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001001330.3(REEP3):c.208A>G(p.Ile70Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,460,170 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

REEP3
NM_001001330.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.95

Publications

0 publications found

Variant links:

Genes affected

REEP3 (HGNC:23711): (receptor accessory protein 3) Predicted to enable microtubule binding activity. Involved in mitotic nuclear membrane reassembly. Predicted to be integral component of membrane. Predicted to be active in cytoplasmic microtubule; endoplasmic reticulum membrane; and endoplasmic reticulum tubular network. [provided by Alliance of Genome Resources, Apr 2022]

REEP3 links:

LOC105378329 (HGNC:):

LOC105378329 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
REEP3	NM_001001330.3 link	c.208A>G	p.Ile70Val	missense_variant	Exon 4 of 8	ENST00000373758.5	NP_001001330.1	Q6NUK4-1X5DR89
REEP3	XM_011539501.3 link	c.208A>G	p.Ile70Val	missense_variant	Exon 4 of 6		XP_011537803.1	X5DP57
REEP3	XM_017015896.2 link	c.208A>G	p.Ile70Val	missense_variant	Exon 4 of 7		XP_016871385.1	X5DP57
LOC105378329	XR_001747467.3 link	n.412-1953T>C		intron_variant	Intron 2 of 3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
REEP3	ENST00000373758.5 link	c.208A>G	p.Ile70Val	missense_variant	Exon 4 of 8	1	NM_001001330.3	ENSP00000362863.4		Q6NUK4-1
REEP3	ENST00000634963.1 link	n.4A>G		non_coding_transcript_exon_variant	Exon 1 of 6	5		ENSP00000489394.1		A0A0U1RR85

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000241

AC:

AN:

249056

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000145

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000886

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000479

AC:

AN:

1460170

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726510

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33440

American (AMR)

AF:

0.000134

AC:

AN:

44698

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26100

East Asian (EAS)

AF:

0.00

AC:

AN:

39684

South Asian (SAS)

AF:

0.00

AC:

AN:

86174

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53362

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1110652

Other (OTH)

AF:

0.00

AC:

AN:

60298

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.454

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000312

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000828

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 18, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.208A>G (p.I70V) alteration is located in exon 4 (coding exon 4) of the REEP3 gene. This alteration results from a A to G substitution at nucleotide position 208, causing the isoleucine (I) at amino acid position 70 to be replaced by a valine (V). 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

0.10

BayesDel_addAF

Uncertain

0.020

BayesDel_noAF

Uncertain

0.050

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.36

Eigen

Uncertain

0.33

Eigen_PC

Uncertain

0.47

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.90

M_CAP

Benign

0.021

MetaRNN

Uncertain

0.44

MetaSVM

Uncertain

0.30

MutationAssessor

Benign

1.7

PhyloP100

8.9

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-0.77

REVEL

Uncertain

0.47

Sift

Benign

0.12

Sift4G

Benign

0.33

Polyphen

0.96

Vest4

0.50

MutPred

0.46

Gain of methylation at K69 (P = 0.0597);

MVP

0.85

MPC

0.95

ClinPred

0.25

GERP RS

5.9

Varity_R

0.14

gMVP

0.43

Mutation Taster

=74/26

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.16

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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10-63598049-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over