2-156579109-T-C

Position:

• chr2-156579109-T-C

Variant summary

Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PM2 PP3_Strong PP5

The ENST00000438166.7(GPD2):​c.1904T>C​(p.Phe635Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency: Genomes: not found (cov: 32)
• Consequence: GPD2 ENST00000438166.7 missense
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 7.99

Genes affected

GPD2 (HGNC:4456): (glycerol-3-phosphate dehydrogenase 2) The protein encoded by this gene localizes to the inner mitochondrial membrane and catalyzes the conversion of glycerol-3-phosphate to dihydroxyacetone phosphate, using FAD as a cofactor. Along with GDP1, the encoded protein constitutes the glycerol phosphate shuttle, which reoxidizes NADH formed during glycolysis. Two transcript variants encoding the same protein have been found for this gene.[provided by RefSeq, Jan 2010]

ACMG classification

Verdict is Likely_pathogenic. Variant got 7 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.977
• PP5: Variant 2-156579109-T-C is Pathogenic according to our data. Variant chr2-156579109-T-C is described in ClinVar as [Pathogenic]. Clinvar id is 16081.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
GPD2	NM_000408.5	c.1904T>C	p.Phe635Ser	missense_variant	15/17	ENST00000438166.7	NP_000399.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
GPD2	ENST00000438166.7	c.1904T>C	p.Phe635Ser	missense_variant	15/17	1	NM_000408.5	ENSP00000409708	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 28

GnomAD4 genome Cov.: 32

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Type 2 diabetes mellitus Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

Feb 24, 1997

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.95
BayesDel_addAF	Pathogenic	0.38	D
BayesDel_noAF	Pathogenic	0.31
CADD	Pathogenic	28
DANN	Uncertain	1.0
DEOGEN2	Uncertain	0.75	D;D;D;.
Eigen	Pathogenic	0.75
Eigen_PC	Pathogenic	0.75
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Benign	0.70	.;.;.;T
M_CAP	Uncertain	0.18	D
MetaRNN	Pathogenic	0.98	D;D;D;D
MetaSVM	Uncertain	0.27	D
MutationAssessor	Pathogenic	3.5	H;H;H;.
MutationTaster	Benign	1.0	A;A;A;A;A
PrimateAI	Uncertain	0.76	T
PROVEAN	Uncertain	-2.9	D;D;D;.
REVEL	Pathogenic	0.75
Sift	Uncertain	0.0070	D;D;D;.
Sift4G	Uncertain	0.025	D;D;D;D
Polyphen		0.89	P;P;P;.
Vest4		0.98
MutPred		0.92		Gain of disorder (P = 0.0126);Gain of disorder (P = 0.0126);Gain of disorder (P = 0.0126);.;
MVP		0.94
MPC		0.64
ClinPred		0.98	D
GERP RS		5.9
Varity_R		0.84
gMVP		0.86

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

Other links and lift over

dbSNP: rs121918407; hg19: chr2-157435621;