Genetic Variant DEFB119:p.Arg54Ser (chr20-31389132-G-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_153289.4(DEFB119):c.61+1291C>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000582 in 1,614,054 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.00032 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000031 ( 0 hom. )

Consequence

DEFB119
NM_153289.4 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.20

Publications

2 publications found

Variant links:

Genes affected

DEFB119 (HGNC:18099): (defensin beta 119) This gene encodes a member of the beta subfamily of defensins. Beta-defensins are antimicrobial peptides that protect tissues and organs from infection by a variety of microorganisms. This gene is found in a cluster with other beta-defensin genes on the long arm of chromosome 20. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2014]

DEFB119 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.023616672).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DEFB119	NM_153289.4 link	c.61+1291C>A		intron_variant	Intron 1 of 1	ENST00000376321.4	NP_695021.2	Q8N690-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
DEFB119	ENST00000376315.2 link	c.160C>A	p.Arg54Ser	missense_variant	Exon 2 of 2	1		ENSP00000365492.2	Q8N690-2
DEFB119	ENST00000376321.4 link	c.61+1291C>A		intron_variant	Intron 1 of 1	1	NM_153289.4	ENSP00000365499.3	Q8N690-1
DEFB119	ENST00000339144.3 link	c.61+1291C>A		intron_variant	Intron 1 of 2	1		ENSP00000345768.3	Q8N690-3
DEFB119	ENST00000492344.1 link	n.148-773C>A		intron_variant	Intron 1 of 3	2

Frequencies

GnomAD3 genomes

AF:

0.000315

AC:

AN:

152168

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00111

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000954

AC:

AN:

251490

AF XY:

0.0000956

show subpopulations

Gnomad AFR exome

AF:

0.00148

Gnomad AMR exome

AF:

0.00

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:

0.0000315

AC:

AN:

1461886

Hom.:

Cov.:

AF XY:

0.0000316

AC XY:

AN XY:

727242

show subpopulations

African (AFR)

AF:

0.00128

AC:

AN:

33480

American (AMR)

AF:

0.0000224

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112012

Other (OTH)

AF:

0.0000331

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.460

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000315

AC:

AN:

152168

Hom.:

Cov.:

AF XY:

0.000296

AC XY:

AN XY:

74326

show subpopulations

African (AFR)

AF:

0.00111

AC:

AN:

41444

American (AMR)

AF:

0.000131

AC:

AN:

15272

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10614

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.506

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00000439

Hom.:

Bravo

AF:

0.000427

ExAC

AF:

0.000157

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.57

BayesDel_noAF

Benign

-0.63

CADD

Benign

(source)

DANN

Uncertain

0.99

Eigen

Benign

-0.46

Eigen_PC

Benign

-0.56

FATHMM_MKL

Benign

0.049

LIST_S2

Benign

0.55

M_CAP

Benign

0.0039

MetaRNN

Benign

0.024

MetaSVM

Benign

-1.1

PhyloP100

1.2

PrimateAI

Benign

0.28

PROVEAN

Uncertain

-3.0

REVEL

Benign

0.042

Sift

Uncertain

0.013

Sift4G

Benign

0.083

Polyphen

0.64

Vest4

0.47

MutPred

0.40

Loss of sheet (P = 0.0357);

MVP

0.12

MPC

0.58

ClinPred

0.18

GERP RS

0.82

gMVP

0.54

Mutation Taster

=99/1

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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20-31389132-G-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over