rs201240362

Positions:

chr14-50628124-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PP2BP4

The NM_015915.5(ATL1):c.1213G>A(p.Val405Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000031 in 1,614,186 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

ATL1
NM_015915.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 8.11

Variant links:

Genes affected

ATL1 (HGNC:11231): (atlastin GTPase 1) The protein encoded by this gene is a GTPase and a Golgi body transmembrane protein. The encoded protein can form a homotetramer and has been shown to interact with spastin and with mitogen-activated protein kinase kinase kinase kinase 4. This protein may be involved in axonal maintenance as evidenced by the fact that defects in this gene are a cause of spastic paraplegia type 3. Three transcript variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

ATL1 links:

ATL1 (HGNC:):

ATL1 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;

PP2

Missense variant in gene, where missense usually causes diseases (based on misZ statistic), ATL1. . Gene score misZ 2.6313 (greater than the threshold 3.09). Trascript score misZ 3.8383 (greater than threshold 3.09). GenCC has associacion of gene with hereditary sensory and autonomic neuropathy type 1, hereditary spastic paraplegia 3A, neuropathy, hereditary sensory, type 1D.

BP4

Computational evidence support a benign effect (MetaRNN=0.29526293).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
ATL1	NM_015915.5 linkuse as main transcript	c.1213G>A	p.Val405Met	missense_variant	12/14	ENST00000358385.12	NP_056999.2	Q8WXF7-1A0A0S2Z5B0Q53F53
ATL1	NM_001127713.1 linkuse as main transcript	c.1213G>A	p.Val405Met	missense_variant	13/14		NP_001121185.1	Q8WXF7-2A0A0S2Z5A2Q53F53
ATL1	NM_181598.4 linkuse as main transcript	c.1213G>A	p.Val405Met	missense_variant	12/13		NP_853629.2	Q8WXF7-2A0A0S2Z5A2Q53F53
ATL1	XM_047431430.1 linkuse as main transcript	c.1213G>A	p.Val405Met	missense_variant	13/15		XP_047287386.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
ATL1	ENST00000358385.12 linkuse as main transcript	c.1213G>A	p.Val405Met	missense_variant	12/14	1	NM_015915.5	ENSP00000351155.7		Q8WXF7-1

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152176

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000145

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:

0.0000735

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000478

AC:

AN:

251308

Hom.:

AF XY:

0.0000589

AC XY:

AN XY:

135810

show subpopulations

Gnomad AFR exome

AF:

0.0000615

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:

0.0000880

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000267

AC:

AN:

1461892

Hom.:

Cov.:

AF XY:

0.0000275

AC XY:

AN XY:

727248

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000324

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000722

AC:

AN:

152294

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74474

show subpopulations

Gnomad4 AFR

AF:

0.000144

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:

0.0000735

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000198

Hom.:

Bravo

AF:

0.0000453

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000494

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Hereditary spastic paraplegia 3A

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Mar 20, 2023

This variant is present in population databases (rs201240362, gnomAD 0.008%). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is not expected to disrupt ATL1 protein function. ClinVar contains an entry for this variant (Variation ID: 471245). This missense change has been observed in individual(s) with autosomal dominant hereditary spastic paraplegia (PMID: 31594988). This sequence change replaces valine, which is neutral and non-polar, with methionine, which is neutral and non-polar, at codon 405 of the ATL1 protein (p.Val405Met). -

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

not provided

Institute for Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.38

BayesDel_addAF

Uncertain

0.043

BayesDel_noAF

Uncertain

0.020

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.12

.;T

Eigen

Uncertain

0.41

Eigen_PC

Uncertain

0.52

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Pathogenic

0.98

D;D

M_CAP

Benign

0.073

MetaRNN

Benign

0.30

T;T

MetaSVM

Uncertain

0.50

MutationAssessor

Uncertain

2.2

M;M

PrimateAI

Pathogenic

0.80

PROVEAN

Benign

-0.90

N;N

REVEL

Uncertain

0.53

Sift

Benign

0.041

D;D

Sift4G

Benign

0.14

T;T

Polyphen

0.26

.;B

Vest4

0.47

MVP

0.87

MPC

0.82

ClinPred

0.12

GERP RS

5.5

Varity_R

0.59

gMVP

0.65

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.030

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