Genetic Variant NM_015141.4:c.925T>C (chr3-32159640-T-C) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_015141.4(GPD1L):c.925T>C(p.Tyr309His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000411 in 1,459,926 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

GPD1L
NM_015141.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.26

Publications

0 publications found

Variant links:

Genes affected

GPD1L (HGNC:28956): (glycerol-3-phosphate dehydrogenase 1 like) The protein encoded by this gene catalyzes the conversion of sn-glycerol 3-phosphate to glycerone phosphate. The encoded protein is found in the cytoplasm, associated with the plasma membrane, where it binds the sodium channel, voltage-gated, type V, alpha subunit (SCN5A). Defects in this gene are a cause of Brugada syndrome type 2 (BRS2) as well as sudden infant death syndrome (SIDS). [provided by RefSeq, Jul 2010]

GPD1L Gene-Disease associations (from GenCC):

Brugada syndrome 2
Inheritance: AD, Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp
Brugada syndrome 1
Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

GPD1L links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.1822398).

BS2

High AC in GnomAdExome4 at 6 AD,Unknown gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GPD1L	NM_015141.4 link	c.925T>C	p.Tyr309His	missense_variant	Exon 7 of 8	ENST00000282541.10	NP_055956.1	Q8N335
GPD1L	XM_006713068.3 link	c.784T>C	p.Tyr262His	missense_variant	Exon 6 of 7		XP_006713131.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
GPD1L	ENST00000282541.10 link	c.925T>C	p.Tyr309His	missense_variant	Exon 7 of 8	1	NM_015141.4	ENSP00000282541.6	Q8N335
GPD1L	ENST00000474846.5 link	n.849T>C		non_coding_transcript_exon_variant	Exon 2 of 3	2
GPD1L	ENST00000496151.1 link	n.426T>C		non_coding_transcript_exon_variant	Exon 2 of 3	2
GPD1L	ENST00000428684.1 link	n.*552T>C		downstream_gene_variant		5		ENSP00000392199.1	F8WC16

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000797

AC:

AN:

251016

AF XY:

0.00

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000411

AC:

AN:

1459926

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

726446

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33438

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86226

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53164

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000540

AC:

AN:

1110466

Other (OTH)

AF:

0.00

AC:

AN:

60322

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.442

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000312

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jun 24, 2013

Biesecker Lab/Clinical Genomics Section, National Institutes of Health

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:research

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.079

BayesDel_noAF

Benign

-0.34

CADD

Benign

(source)

DANN

Benign

0.18

DEOGEN2

Benign

0.22

Eigen

Benign

-0.62

Eigen_PC

Benign

-0.47

FATHMM_MKL

Benign

0.41

LIST_S2

Uncertain

0.86

M_CAP

Benign

0.024

MetaRNN

Benign

0.18

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.77

PhyloP100

1.3

PrimateAI

Uncertain

0.67

PROVEAN

Benign

-0.10

REVEL

Benign

0.26

Sift

Benign

0.92

Sift4G

Benign

0.52

Polyphen

0.0010

Vest4

0.35

MutPred

0.72

Gain of disorder (P = 0.0269);

MVP

0.54

MPC

0.66

ClinPred

0.037

GERP RS

4.4

Varity_R

0.32

gMVP

0.73

Mutation Taster

=76/24

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over