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GeneBe

20-145669-ACC-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP6_ModerateBA1

The NM_030931.4(DEFB126):​c.317_318del​(p.Pro106ArgfsTer?) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.558 in 1,611,132 control chromosomes in the GnomAD database, including 252,198 homozygotes. Variant has been reported in ClinVar as Benign (β˜…).

Frequency

Genomes: 𝑓 0.55 ( 23238 hom., cov: 0)
Exomes 𝑓: 0.56 ( 228960 hom. )

Consequence

DEFB126
NM_030931.4 frameshift

Scores

Not classified

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.249
Variant links:
Genes affected
DEFB126 (HGNC:15900): (defensin beta 126) Defensins are cysteine-rich cationic polypeptides that are important in the immunologic response to invading microorganisms. The antimicrobial protein encoded by this gene is secreted and is a member of the beta defensin protein family. Beta defensin genes are found in several clusters throughout the genome, with this gene mapping to a cluster at 20p13. The encoded protein is highly similar to an epididymal-specific secretory protein (ESP13.2) from cynomolgus monkey. Mutation of this gene is associated with impaired sperm function. [provided by RefSeq, Nov 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP6
Variant 20-145669-ACC-A is Benign according to our data. Variant chr20-145669-ACC-A is described in ClinVar as [Benign]. Clinvar id is 402586.Status of the report is criteria_provided_single_submitter, 1 stars.
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.58 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DEFB126NM_030931.4 linkuse as main transcriptc.317_318del p.Pro106ArgfsTer? frameshift_variant 2/2 ENST00000382398.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DEFB126ENST00000382398.4 linkuse as main transcriptc.317_318del p.Pro106ArgfsTer? frameshift_variant 2/21 NM_030931.4 P1
DEFB126ENST00000542572.1 linkuse as main transcriptn.222_223del non_coding_transcript_exon_variant 3/33

Frequencies

GnomAD3 genomes
AF:
0.552
AC:
83680
AN:
151478
Hom.:
23225
Cov.:
0
show subpopulations
Gnomad AFR
AF:
0.552
Gnomad AMI
AF:
0.639
Gnomad AMR
AF:
0.547
Gnomad ASJ
AF:
0.689
Gnomad EAS
AF:
0.505
Gnomad SAS
AF:
0.596
Gnomad FIN
AF:
0.488
Gnomad MID
AF:
0.639
Gnomad NFE
AF:
0.556
Gnomad OTH
AF:
0.567
GnomAD3 exomes
AF:
0.552
AC:
137216
AN:
248480
Hom.:
38189
AF XY:
0.558
AC XY:
75034
AN XY:
134538
show subpopulations
Gnomad AFR exome
AF:
0.552
Gnomad AMR exome
AF:
0.519
Gnomad ASJ exome
AF:
0.685
Gnomad EAS exome
AF:
0.508
Gnomad SAS exome
AF:
0.593
Gnomad FIN exome
AF:
0.493
Gnomad NFE exome
AF:
0.557
Gnomad OTH exome
AF:
0.566
GnomAD4 exome
AF:
0.559
AC:
815255
AN:
1459534
Hom.:
228960
AF XY:
0.561
AC XY:
407148
AN XY:
726052
show subpopulations
Gnomad4 AFR exome
AF:
0.554
Gnomad4 AMR exome
AF:
0.526
Gnomad4 ASJ exome
AF:
0.688
Gnomad4 EAS exome
AF:
0.506
Gnomad4 SAS exome
AF:
0.596
Gnomad4 FIN exome
AF:
0.485
Gnomad4 NFE exome
AF:
0.559
Gnomad4 OTH exome
AF:
0.568
GnomAD4 genome
AF:
0.552
AC:
83732
AN:
151598
Hom.:
23238
Cov.:
0
AF XY:
0.549
AC XY:
40663
AN XY:
74072
show subpopulations
Gnomad4 AFR
AF:
0.552
Gnomad4 AMR
AF:
0.546
Gnomad4 ASJ
AF:
0.689
Gnomad4 EAS
AF:
0.505
Gnomad4 SAS
AF:
0.598
Gnomad4 FIN
AF:
0.488
Gnomad4 NFE
AF:
0.556
Gnomad4 OTH
AF:
0.560
Alfa
AF:
0.567
Hom.:
4505
Bravo
AF:
0.559
Asia WGS
AF:
0.491
AC:
1711
AN:
3478
EpiCase
AF:
0.574
EpiControl
AF:
0.571

ClinVar

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

Submissions by phenotype

not specified Benign:1
Benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineMar 29, 2016Variant identified in a genome or exome case(s) and assessed due to predicted null impact of the variant or pathogenic assertions in the literature or databases. Disclaimer: This variant has not undergone full assessment. The following are preliminary notes: Frequency in ESP (all): 7088/12518=56.6% -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

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: rs11467417; hg19: chr20-126310; API