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rs146796266

Variant summary

Our verdict is Benign. Variant got -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS1

The NM_001038603.3(MARVELD2):c.615C>T(p.Ala205=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000217 in 1,614,062 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0011 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00012 ( 2 hom. )

Consequence

MARVELD2
NM_001038603.3 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -5.18
Variant links:
Genes affected
MARVELD2 (HGNC:26401): (MARVEL domain containing 2) The protein encoded by this gene is a membrane protein found at the tight junctions between epithelial cells. The encoded protein helps establish epithelial barriers such as those in the organ of Corti, where these barriers are required for normal hearing. Defects in this gene are a cause of deafness autosomal recessive type 49 (DFNB49). Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2011]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -17 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.59).
BP6
Variant 5-69420000-C-T is Benign according to our data. Variant chr5-69420000-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 43846.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr5-69420000-C-T is described in Lovd as [Likely_benign].
BP7
Synonymous conserved (PhyloP=-5.18 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00115 (175/152174) while in subpopulation AFR AF= 0.0041 (170/41496). AF 95% confidence interval is 0.00359. There are 0 homozygotes in gnomad4. There are 72 alleles in male gnomad4 subpopulation. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MARVELD2NM_001038603.3 linkuse as main transcriptc.615C>T p.Ala205= synonymous_variant 2/7 ENST00000325631.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MARVELD2ENST00000325631.10 linkuse as main transcriptc.615C>T p.Ala205= synonymous_variant 2/71 NM_001038603.3 P1Q8N4S9-1

Frequencies

GnomAD3 genomes
AF:
0.00115
AC:
175
AN:
152056
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00411
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
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:
0.0000294
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000254
AC:
64
AN:
251486
Hom.:
0
AF XY:
0.000140
AC XY:
19
AN XY:
135916
show subpopulations
Gnomad AFR exome
AF:
0.00369
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000120
AC:
175
AN:
1461888
Hom.:
2
Cov.:
35
AF XY:
0.000105
AC XY:
76
AN XY:
727244
show subpopulations
Gnomad4 AFR exome
AF:
0.00427
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.0000108
Gnomad4 OTH exome
AF:
0.000281
GnomAD4 genome
AF:
0.00115
AC:
175
AN:
152174
Hom.:
0
Cov.:
32
AF XY:
0.000968
AC XY:
72
AN XY:
74404
show subpopulations
Gnomad4 AFR
AF:
0.00410
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000537
Hom.:
0
Bravo
AF:
0.00130

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Likely benign, criteria provided, single submitterclinical testingGeneDxJun 05, 2020- -
Benign, criteria provided, single submitterclinical testingInvitaeJan 29, 2024- -
not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineApr 30, 2012Ala205Ala in Exon 02 of MARVELD2: This variant is not expected to have clinical significance because it does not alter an amino acid residue, is not located wit hin the splice consensus sequence, and has been identified in 0.4% (15/3738) of African American chromosomes from a broad population by the NHLBI Exome Sequenci ng Project (http://evs.gs.washington.edu/EVS; dbSNP rs146796266). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.59
Cadd
Benign
1.9
Dann
Benign
0.60

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

LitVar

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

Other links and lift over

dbSNP: rs146796266; hg19: chr5-68715827; COSMIC: COSV57782886; COSMIC: COSV57782886; API