Variant chr8-7896510-T-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_004942.4(DEFB4A):c.95T>G(p.Leu32Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000060 ( 0 hom., cov: 3)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

DEFB4A
NM_004942.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -1.30

Variant links:

Genes affected

DEFB4A (HGNC:2767): (defensin beta 4A) Defensins form a family of microbicidal and cytotoxic peptides made by neutrophils. Members of the defensin family are highly similar in protein sequence. This gene encodes defensin, beta 4, an antibiotic peptide which is locally regulated by inflammation. [provided by RefSeq, Jul 2008]

DEFB4A links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.18069124).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
DEFB4A	NM_004942.4 linkuse as main transcript	c.95T>G	p.Leu32Arg	missense_variant	2/2	ENST00000302247.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
DEFB4A	ENST00000302247.3 linkuse as main transcript	c.95T>G	p.Leu32Arg	missense_variant	2/2	1	NM_004942.4	P1

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

16644

Hom.:

Cov.:

FAILED QC

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.000175

Gnomad OTH

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AC0;AS_VQSR

AF:

0.00

AC:

AN:

150484

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

78680

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.0000601

AC:

AN:

16644

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

7330

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000175

Gnomad4 OTH

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Apr 13, 2022

The c.95T>G (p.L32R) alteration is located in exon 2 (coding exon 2) of the DEFB4A gene. This alteration results from a T to G substitution at nucleotide position 95, causing the leucine (L) at amino acid position 32 to be replaced by an arginine (R). 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

0.092

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.55

CADD

Benign

0.030

DANN

Benign

0.76

DEOGEN2

Benign

0.0022

Eigen

Benign

-0.64

Eigen_PC

Benign

-0.91

FATHMM_MKL

Benign

0.0062

M_CAP

Benign

0.00079

MetaRNN

Benign

0.18

MetaSVM

Benign

-1.0

MutationTaster

Benign

1.0

PrimateAI

Benign

0.43

PROVEAN

Benign

-1.6

REVEL

Benign

0.076

Sift

Uncertain

0.025

Sift4G

Benign

0.37

Polyphen

0.99

Vest4

0.20

MutPred

0.53

Loss of stability (P = 0.0205);

MVP

0.030

MPC

1.6

ClinPred

0.077

GERP RS

0.17

Varity_R

0.24

gMVP

0.037

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over