3-119436885-A-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_018266.3(TMEM39A):​c.1018T>A​(p.Ser340Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000186 in 1,613,918 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

TMEM39A
NM_018266.3 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.11
Variant links:
Genes affected
TMEM39A (HGNC:25600): (transmembrane protein 39A) Involved in negative regulation of autophagosome assembly; negative regulation of autophagosome maturation; and positive regulation of viral genome replication. Located in endoplasmic reticulum membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.15814099).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TMEM39ANM_018266.3 linkuse as main transcriptc.1018T>A p.Ser340Thr missense_variant 7/9 ENST00000319172.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TMEM39AENST00000319172.10 linkuse as main transcriptc.1018T>A p.Ser340Thr missense_variant 7/91 NM_018266.3 P1Q9NV64-1
TMEM39AENST00000438581.6 linkuse as main transcriptc.*686T>A 3_prime_UTR_variant, NMD_transcript_variant 8/101 Q9NV64-2
TMEM39AENST00000468545.1 linkuse as main transcriptn.279T>A non_coding_transcript_exon_variant 2/24

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152160
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:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251196
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135758
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000881
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000192
AC:
28
AN:
1461758
Hom.:
0
Cov.:
30
AF XY:
0.0000165
AC XY:
12
AN XY:
727192
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000447
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:
0.0000234
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152160
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74332
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:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000264
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0
EpiCase
AF:
0.0000545
EpiControl
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 submitterclinical testingAmbry GeneticsSep 28, 2022The c.1018T>A (p.S340T) alteration is located in exon 7 (coding exon 6) of the TMEM39A gene. This alteration results from a T to A substitution at nucleotide position 1018, causing the serine (S) at amino acid position 340 to be replaced by a threonine (T). 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
0.13
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.46
CADD
Uncertain
23
DANN
Benign
0.91
DEOGEN2
Benign
0.0058
T
Eigen
Benign
-0.14
Eigen_PC
Benign
0.098
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.0048
T
MetaRNN
Benign
0.16
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.55
N
MutationTaster
Benign
0.96
D
PrimateAI
Uncertain
0.72
T
PROVEAN
Benign
0.24
N
REVEL
Benign
0.072
Sift
Benign
0.11
T
Sift4G
Benign
0.13
T
Polyphen
0.015
B
Vest4
0.42
MVP
0.093
MPC
0.40
ClinPred
0.30
T
GERP RS
5.3
Varity_R
0.11
gMVP
0.45

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: rs200830652; hg19: chr3-119155732; API