rs754157177

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_032852.4(ATG4C):​c.802A>G​(p.Asn268Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000125 in 1,603,946 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N268I) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

ATG4C
NM_032852.4 missense

Scores

1
2
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.51

Publications

0 publications found
Variant links:
Genes affected
ATG4C (HGNC:16040): (autophagy related 4C cysteine peptidase) Autophagy is the process by which endogenous proteins and damaged organelles are destroyed intracellularly. Autophagy is postulated to be essential for cell homeostasis and cell remodeling during differentiation, metamorphosis, non-apoptotic cell death, and aging. Reduced levels of autophagy have been described in some malignant tumors, and a role for autophagy in controlling the unregulated cell growth linked to cancer has been proposed. This gene encodes a member of the autophagin protein family. The encoded protein is also designated as a member of the C-54 family of cysteine proteases. Alternate transcriptional splice variants, encoding the same protein, have been characterized. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.19537306).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032852.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ATG4C
NM_032852.4
MANE Select
c.802A>Gp.Asn268Asp
missense
Exon 7 of 11NP_116241.2
ATG4C
NM_178221.3
c.802A>Gp.Asn268Asp
missense
Exon 7 of 11NP_835739.1A0A384MTY5

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ATG4C
ENST00000317868.9
TSL:1 MANE Select
c.802A>Gp.Asn268Asp
missense
Exon 7 of 11ENSP00000322159.4Q96DT6
ATG4C
ENST00000371120.7
TSL:1
c.802A>Gp.Asn268Asp
missense
Exon 7 of 11ENSP00000360161.3Q96DT6
ATG4C
ENST00000852843.1
c.904A>Gp.Asn302Asp
missense
Exon 8 of 12ENSP00000522902.1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152158
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
6.89e-7
AC:
1
AN:
1451788
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
721796
show subpopulations
⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.0000303
AC:
1
AN:
32954
American (AMR)
AF:
0.00
AC:
0
AN:
42722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25888
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39454
South Asian (SAS)
AF:
0.00
AC:
0
AN:
83484
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53354
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5730
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1108162
Other (OTH)
AF:
0.00
AC:
0
AN:
60040
⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152158
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74324
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41436
American (AMR)
AF:
0.00
AC:
0
AN:
15268
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5202
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4836
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68010
Other (OTH)
AF:
0.00
AC:
0
AN:
2086
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000151

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.24
T
BayesDel_noAF
Benign
-0.58
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.093
T
Eigen
Benign
-0.18
Eigen_PC
Benign
0.059
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.0092
T
MetaRNN
Benign
0.20
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.12
N
PhyloP100
7.5
PrimateAI
Benign
0.26
T
PROVEAN
Benign
-0.81
N
REVEL
Benign
0.098
Sift
Uncertain
0.026
D
Sift4G
Benign
0.53
T
Polyphen
0.0050
B
Vest4
0.26
MutPred
0.46
Gain of helix (P = 0.0325)
MVP
0.50
MPC
0.020
ClinPred
0.89
D
GERP RS
5.3
Varity_R
0.18
gMVP
0.30
Mutation Taster
=85/15
polymorphism

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

Other links and lift over

dbSNP: rs754157177; hg19: chr1-63294716; API