rs777128122

Variant names:

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2

The NM_013995.2(LAMP2):c.1201A>G(p.Arg401Gly) variant causes a missense change. The variant allele was found at a frequency of 0.000188 in 1,208,176 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 70 hemizygotes in GnomAD. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000080 ( 0 hom., 2 hem., cov: 24)

Exomes 𝑓: 0.00020 ( 0 hom. 68 hem. )

Consequence

LAMP2
NM_013995.2 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:2

Conservation

PhyloP100: 5.76

Variant links:

Genes affected

LAMP2 (HGNC:6501): (lysosomal associated membrane protein 2) The protein encoded by this gene is a member of a family of membrane glycoproteins. This glycoprotein provides selectins with carbohydrate ligands. It may play a role in tumor cell metastasis. It may also function in the protection, maintenance, and adhesion of the lysosome. Alternative splicing of this gene results in multiple transcript variants encoding distinct proteins. [provided by RefSeq, Jul 2008]

LAMP2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BS2

High Hemizygotes in GnomAd4 at 2 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LAMP2	NM_002294.3 link	c.1093+2544A>G		intron_variant	Intron 8 of 8	ENST00000200639.9	NP_002285.1	P13473-1
LAMP2	NM_013995.2 link	c.1201A>G	p.Arg401Gly	missense_variant	Exon 9 of 9		NP_054701.1	P13473-2
LAMP2	NM_001122606.1 link	c.1093+2544A>G		intron_variant	Intron 8 of 8		NP_001116078.1	P13473-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
LAMP2	ENST00000200639.9 link	c.1093+2544A>G		intron_variant	Intron 8 of 8	1	NM_002294.3	ENSP00000200639.4		P13473-1

Frequencies

GnomAD3 genomes

AF:

0.0000803

AC:

AN:

112043

Hom.:

Cov.:

AF XY:

0.0000585

AC XY:

AN XY:

34203

show subpopulations

Gnomad AFR

AF:

0.0000324

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000951

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:

0.000132

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000545

AC:

AN:

183391

Hom.:

AF XY:

0.0000737

AC XY:

AN XY:

67869

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000365

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:

0.000110

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000199

AC:

218

AN:

1096133

Hom.:

Cov.:

AF XY:

0.000188

AC XY:

AN XY:

361579

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000284

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:

0.000252

Gnomad4 OTH exome

AF:

0.000109

GnomAD4 genome

AF:

0.0000803

AC:

AN:

112043

Hom.:

Cov.:

AF XY:

0.0000585

AC XY:

AN XY:

34203

show subpopulations

Gnomad4 AFR

AF:

0.0000324

Gnomad4 AMR

AF:

0.0000951

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000132

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000427

Hom.:

Bravo

AF:

0.0000793

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000346

AC:

ExAC

AF:

0.0000741

AC:

EpiCase

AF:

0.000218

EpiControl

AF:

0.0000593

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:2

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2Benign:1

Jul 26, 2024

Mayo Clinic Laboratories, Mayo Clinic

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

BS2 -

Sep 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

LAMP2: BP4, BS2 -

Aug 22, 2022

GeneDx

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Located in an alternate transcript of the LAMP2 gene and has been reported previously as an isoform-specific variant; however, no additional information regarding the phenotype or the variant was provided (D'souza et al., 2014); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 25228319) -

Danon disease

Uncertain:1Benign:1

Aug 09, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Oct 12, 2021

Fulgent Genetics, Fulgent Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Benign

-0.41

CADD

Benign

DANN

Uncertain

1.0

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.89

M_CAP

Pathogenic

0.70

MetaRNN

Uncertain

0.59

MetaSVM

Benign

-0.46

PROVEAN

Pathogenic

-5.0

REVEL

Uncertain

0.44

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.0060

Polyphen

0.89

Vest4

0.44

MVP

0.53

ClinPred

0.38

GERP RS

5.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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