8-7055508-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_021010.3(DEFA5):​c.208G>A​(p.Gly70Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000137 in 1,461,412 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: not found (cov: 32)
Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

DEFA5
NM_021010.3 missense

Scores

17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -2.47
Variant links:
Genes affected
DEFA5 (HGNC:2764): (defensin alpha 5) Defensins are a family of antimicrobial and cytotoxic peptides thought to be involved in host defense. They are abundant in the granules of neutrophils and also found in the epithelia of mucosal surfaces such as those of the intestine, respiratory tract, urinary tract, and vagina. Members of the defensin family are highly similar in protein sequence and distinguished by a conserved cysteine motif. Several of the alpha defensin genes appear to be clustered on chromosome 8. The protein encoded by this gene, defensin, alpha 5, is highly expressed in the secretory granules of Paneth cells of the ileum. [provided by RefSeq, Oct 2014]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.048594773).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
DEFA5NM_021010.3 linkuse as main transcriptc.208G>A p.Gly70Ser missense_variant 2/2 ENST00000330590.4 NP_066290.1 Q01523

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DEFA5ENST00000330590.4 linkuse as main transcriptc.208G>A p.Gly70Ser missense_variant 2/21 NM_021010.3 ENSP00000329890.2 Q01523

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152088
Hom.:
0
Cov.:
32
show subpopulations
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:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000160
AC:
4
AN:
250252
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
135286
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000657
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000177
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000137
AC:
20
AN:
1461412
Hom.:
0
Cov.:
29
AF XY:
0.0000110
AC XY:
8
AN XY:
726952
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000126
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.0000565
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.0000247
AC:
3

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 submitterclinical testingAmbry GeneticsNov 15, 2021The c.208G>A (p.G70S) alteration is located in exon 2 (coding exon 2) of the DEFA5 gene. This alteration results from a G to A substitution at nucleotide position 208, causing the glycine (G) at amino acid position 70 to be replaced by a serine (S). 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
0.18
BayesDel_addAF
Benign
-0.46
T
BayesDel_noAF
Benign
-0.72
CADD
Benign
0.015
DANN
Benign
0.58
DEOGEN2
Benign
0.023
T
Eigen
Benign
-1.6
Eigen_PC
Benign
-1.7
FATHMM_MKL
Benign
0.00038
N
M_CAP
Benign
0.0010
T
MetaRNN
Benign
0.049
T
MetaSVM
Benign
-1.0
T
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-1.3
N
REVEL
Benign
0.036
Sift
Benign
0.78
T
Sift4G
Benign
0.43
T
Polyphen
0.51
P
Vest4
0.22
MutPred
0.39
Gain of phosphorylation at G70 (P = 0.0373);
MVP
0.13
MPC
0.00056
ClinPred
0.055
T
GERP RS
-2.9
Varity_R
0.16
gMVP
0.29

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: rs567864675; hg19: chr8-6913030; API