4-1718171-C-G

Position:

chr4-1718171-C-G

Variant summary

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

The NM_001127266.2(TMEM129):c.661G>C(p.Val221Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000172 in 1,571,684 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

TMEM129
NM_001127266.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.29

Variant links:

Genes affected

TMEM129 (HGNC:25137): (transmembrane protein 129, E3 ubiquitin ligase) Enables ubiquitin protein ligase activity. Involved in protein polyubiquitination; retrograde protein transport, ER to cytosol; and ubiquitin-dependent ERAD pathway. Located in endoplasmic reticulum. [provided by Alliance of Genome Resources, Apr 2022]

TMEM129 links:

TACC3 (HGNC:11524): (transforming acidic coiled-coil containing protein 3) This gene encodes a member of the transforming acidic colied-coil protein family. The encoded protein is a motor spindle protein that may play a role in stabilization of the mitotic spindle. This protein may also play a role in growth a differentiation of certain cancer cells. [provided by RefSeq, Nov 2011]

TACC3 links:

Genome browser will be placed here

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=0.35264242).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TMEM129	NM_001127266.2 linkuse as main transcript	c.661G>C	p.Val221Leu	missense_variant	2/4	ENST00000382936.8	NP_001120738.1	A0AVI4-1
TMEM129	NM_138385.4 linkuse as main transcript	c.661G>C	p.Val221Leu	missense_variant	2/3		NP_612394.1	A0AVI4-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
TMEM129	ENST00000382936.8 linkuse as main transcript	c.661G>C	p.Val221Leu	missense_variant	2/4	1	NM_001127266.2	ENSP00000372394.3	A0AVI4-1
TMEM129	ENST00000303277.6 linkuse as main transcript	c.661G>C	p.Val221Leu	missense_variant	2/3	1		ENSP00000305243.2	A0AVI4-2
TMEM129	ENST00000460722.1 linkuse as main transcript	n.64G>C		non_coding_transcript_exon_variant	1/3	1		ENSP00000417412.1	H7C4I8
TACC3	ENST00000458173.4 linkuse as main transcript	c.-2+5006C>G		intron_variant		5		ENSP00000415914.4	E7EMT0

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152234

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000183

AC:

AN:

1419450

Hom.:

Cov.:

AF XY:

0.0000199

AC XY:

AN XY:

702630

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:

0.0000220

Gnomad4 OTH exome

AF:

0.0000340

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152234

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74372

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:

0.0000147

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

May 04, 2022

The c.661G>C (p.V221L) alteration is located in exon 2 (coding exon 2) of the TMEM129 gene. This alteration results from a G to C substitution at nucleotide position 661, causing the valine (V) at amino acid position 221 to be replaced by a leucine (L). 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

-0.094

BayesDel_noAF

Benign

-0.37

CADD

Benign

DANN

Benign

0.97

DEOGEN2

Benign

0.015

.;T;T

Eigen

Benign

-0.48

Eigen_PC

Benign

-0.48

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.73

T;.;T

M_CAP

Benign

0.030

MetaRNN

Benign

0.35

T;T;T

MetaSVM

Benign

-0.97

MutationAssessor

Uncertain

2.8

M;M;M

PrimateAI

Benign

0.37

PROVEAN

Benign

-1.2

N;N;N

REVEL

Benign

0.17

Sift

Benign

0.17

T;T;T

Sift4G

Benign

0.15

T;T;T

Polyphen

0.081

B;B;B

Vest4

0.50

MutPred

0.62

Loss of sheet (P = 0.0457);Loss of sheet (P = 0.0457);Loss of sheet (P = 0.0457);

MVP

0.41

MPC

0.24

ClinPred

0.49

GERP RS

3.0

Varity_R

0.064

gMVP

0.38

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