chr16-70131311-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_017990.5(PDPR):​c.739G>A​(p.Glu247Lys) 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 Uncertain significance (★).

Frequency

Genomes: not found (cov: 40)
Exomes 𝑓: 0.0000015 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

PDPR
NM_017990.5 missense

Scores

7
7
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.31
Variant links:
Genes affected
PDPR (HGNC:30264): (pyruvate dehydrogenase phosphatase regulatory subunit) Pyruvate dehydrogenase complex (PDC) catalyzes the oxidative decarboxylation of pyruvate and links glycolysis to the tricarboxylic acid cycle and fatty acid synthesis. The dephosphorylation and reactivation of PDC is catalyzed by pyruvate dehydrogenase phosphatase (PDP). The dimeric PDP has a catalytic subunit and a regulatory subunit. This gene encodes the FAD-containing regulatory subunit of PDP. The encoded protein acts to decrease the sensitivity of the PDP catalytic subunit to magnesium ions. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jan 2017]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.76

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PDPRNM_017990.5 linkuse as main transcriptc.739G>A p.Glu247Lys missense_variant 8/19 ENST00000288050.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PDPRENST00000288050.9 linkuse as main transcriptc.739G>A p.Glu247Lys missense_variant 8/191 NM_017990.5 P1Q8NCN5-1

Frequencies

GnomAD3 genomes
Cov.:
40
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.00000146
AC:
2
AN:
1370260
Hom.:
0
Cov.:
26
AF XY:
0.00
AC XY:
0
AN XY:
681742
show subpopulations
Gnomad4 AFR exome
AF:
0.0000326
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:
9.56e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
40
Alfa
AF:
0.0000843
Hom.:
0

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 submitterclinical testingAmbry GeneticsNov 01, 2022The c.739G>A (p.E247K) alteration is located in exon 8 (coding exon 6) of the PDPR gene. This alteration results from a G to A substitution at nucleotide position 739, causing the glutamic acid (E) at amino acid position 247 to be replaced by a lysine (K). 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
Uncertain
0.39
BayesDel_addAF
Pathogenic
0.37
D
BayesDel_noAF
Pathogenic
0.29
CADD
Pathogenic
26
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.069
T;T;T
Eigen
Uncertain
0.61
Eigen_PC
Uncertain
0.64
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.97
.;D;D
M_CAP
Uncertain
0.12
D
MetaRNN
Pathogenic
0.76
D;D;D
MetaSVM
Uncertain
0.0020
D
MutationAssessor
Uncertain
2.1
M;.;M
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.81
D
PROVEAN
Benign
-1.7
N;N;N
REVEL
Pathogenic
0.73
Sift
Benign
0.045
D;D;D
Sift4G
Benign
0.21
T;T;T
Polyphen
0.95
P;.;P
Vest4
0.70
MVP
0.89
MPC
1.3
ClinPred
0.76
D
GERP RS
4.9
Varity_R
0.60
gMVP
0.84

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.

Other links and lift over

dbSNP: rs1290190996; hg19: chr16-70165214; API