10-12156930-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_018144.4(SEC61A2):ā€‹c.640A>Gā€‹(p.Ile214Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000219 in 1,461,638 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.000022 ( 0 hom. )

Consequence

SEC61A2
NM_018144.4 missense

Scores

1
3
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.29
Variant links:
Genes affected
SEC61A2 (HGNC:17702): (SEC61 translocon subunit alpha 2) The protein encoded by this gene has similarity to a mouse protein which suggests a role in the insertion of secretory and membrane polypeptides into the endoplasmic reticulum. It may also be required for the assembly of membrane and secretory proteins. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3038355).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SEC61A2NM_018144.4 linkc.640A>G p.Ile214Val missense_variant Exon 8 of 12 ENST00000298428.14 NP_060614.2 Q9H9S3-1Q8TC24

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SEC61A2ENST00000298428.14 linkc.640A>G p.Ile214Val missense_variant Exon 8 of 12 1 NM_018144.4 ENSP00000298428.9 Q9H9S3-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251162
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135750
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:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000881
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000219
AC:
32
AN:
1461638
Hom.:
0
Cov.:
31
AF XY:
0.0000234
AC XY:
17
AN XY:
727124
show subpopulations
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:
0.0000812
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000207
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378
ExAC
AF:
0.0000165
AC:
2

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
May 14, 2024
Ambry Genetics
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The c.640A>G (p.I214V) alteration is located in exon 8 (coding exon 8) of the SEC61A2 gene. This alteration results from a A to G substitution at nucleotide position 640, causing the isoleucine (I) at amino acid position 214 to be replaced by a valine (V). 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
0.14
BayesDel_addAF
Benign
-0.029
T
BayesDel_noAF
Benign
-0.18
CADD
Benign
21
DANN
Uncertain
0.99
DEOGEN2
Benign
0.059
.;.;T;.;T
Eigen
Benign
0.0013
Eigen_PC
Benign
0.19
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Pathogenic
0.98
D;D;D;D;D
M_CAP
Benign
0.0035
T
MetaRNN
Benign
0.30
T;T;T;T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
1.8
.;.;L;L;.
PrimateAI
Uncertain
0.77
T
PROVEAN
Benign
-0.51
N;N;N;N;N
REVEL
Benign
0.21
Sift
Benign
0.12
T;T;T;T;T
Sift4G
Benign
0.33
T;T;T;T;T
Polyphen
0.0
.;.;B;B;.
Vest4
0.44
MutPred
0.54
.;.;Loss of catalytic residue at L219 (P = 0.0742);Loss of catalytic residue at L219 (P = 0.0742);Loss of catalytic residue at L219 (P = 0.0742);
MVP
0.34
MPC
0.73
ClinPred
0.52
D
GERP RS
4.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.047
gMVP
0.73

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: rs756021456; hg19: chr10-12198929; API