Variant 9-136447268-G-C details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_014866.2(SEC16A):c.6656C>G(p.Ala2219Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000438 in 1,596,890 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. A2219T) has been classified as Uncertain significance.

Frequency

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

Exomes 𝑓: 0.0000035 ( 0 hom. )

Consequence

SEC16A
NM_014866.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.91

Variant links:

Genes affected

SEC16A (HGNC:29006): (SEC16 homolog A, endoplasmic reticulum export factor) This gene encodes a protein that forms part of the Sec16 complex. This protein has a role in protein transport from the endoplasmic reticulum (ER) to the Golgi and mediates COPII vesicle formation at the transitional ER. Alternative splicing results in multiple transcript variants that encode different protein isoforms. [provided by RefSeq, Feb 2013]

SEC16A links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
SEC16A	NM_014866.2 linkuse as main transcript	c.6656C>G	p.Ala2219Gly	missense_variant	27/32	ENST00000684901.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
SEC16A	ENST00000684901.1 linkuse as main transcript	c.6656C>G	p.Ala2219Gly	missense_variant	27/32		NM_014866.2	A2	O15027-1

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152212

Hom.:

Cov.:

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:

0.00000917

AC:

AN:

218090

Hom.:

AF XY:

0.0000169

AC XY:

AN XY:

118322

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:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000204

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000346

AC:

AN:

1444560

Hom.:

Cov.:

AF XY:

0.00000558

AC XY:

AN XY:

716774

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:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000453

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152330

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74486

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:

0.00000378

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 submitter

clinical testing

Ambry Genetics

Jun 02, 2023

The c.6656C>G (p.A2219G) alteration is located in exon 27 (coding exon 25) of the SEC16A gene. This alteration results from a C to G substitution at nucleotide position 6656, causing the alanine (A) at amino acid position 2219 to be replaced by a glycine (G). 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

0.25

BayesDel_addAF

Uncertain

0.13

BayesDel_noAF

Uncertain

-0.020

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.16

.;T;T;T;.;T;.

Eigen

Pathogenic

0.71

Eigen_PC

Uncertain

0.59

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.94

D;D;D;D;D;D;D

M_CAP

Uncertain

0.24

MetaRNN

Uncertain

0.57

D;D;D;D;D;D;D

MetaSVM

Uncertain

-0.085

MutationTaster

Benign

1.0

D;D;D;D;D;D

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-1.6

N;.;D;N;N;D;N

REVEL

Uncertain

0.37

Sift

Pathogenic

0.0

D;.;D;D;D;D;D

Sift4G

Benign

0.088

T;T;T;T;D;T;D

Polyphen

0.99, 1.0

.;D;.;.;.;D;.

Vest4

0.53

MutPred

0.25

.;.;.;.;Loss of stability (P = 0.0613);.;Loss of stability (P = 0.0613);

MVP

0.34

MPC

0.40

ClinPred

0.94

GERP RS

5.1

Varity_R

0.44

gMVP

0.42

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over