chr20-5575917-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_019593.5(GPCPD1):​c.767G>A​(p.Cys256Tyr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000168 in 1,604,524 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000017 ( 0 hom. )

Consequence

GPCPD1
NM_019593.5 missense

Scores

4
7
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.84
Variant links:
Genes affected
GPCPD1 (HGNC:26957): (glycerophosphocholine phosphodiesterase 1) Predicted to enable glycerophosphocholine phosphodiesterase activity. Predicted to be involved in glycerophospholipid catabolic process. Predicted to act upstream of or within skeletal muscle tissue development. Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

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;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GPCPD1NM_019593.5 linkuse as main transcriptc.767G>A p.Cys256Tyr missense_variant 9/20 ENST00000379019.7 NP_062539.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GPCPD1ENST00000379019.7 linkuse as main transcriptc.767G>A p.Cys256Tyr missense_variant 9/201 NM_019593.5 ENSP00000368305 P1
GPCPD1ENST00000481038.5 linkuse as main transcriptn.2175G>A non_coding_transcript_exon_variant 4/152
GPCPD1ENST00000481690.2 linkuse as main transcriptc.*385G>A 3_prime_UTR_variant, NMD_transcript_variant 8/83 ENSP00000488635

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
152052
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251458
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135902
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 SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000264
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000172
AC:
25
AN:
1452472
Hom.:
0
Cov.:
27
AF XY:
0.0000166
AC XY:
12
AN XY:
723266
show subpopulations
Gnomad4 AFR exome
AF:
0.00
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:
0.0000217
Gnomad4 OTH exome
AF:
0.0000167
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
152052
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74270
show subpopulations
Gnomad4 AFR
AF:
0.0000242
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000386
Hom.:
0
Bravo
AF:
0.0000113
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

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 GeneticsDec 28, 2023The c.767G>A (p.C256Y) alteration is located in exon 9 (coding exon 8) of the GPCPD1 gene. This alteration results from a G to A substitution at nucleotide position 767, causing the cysteine (C) at amino acid position 256 to be replaced by a tyrosine (Y). 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
Pathogenic
0.65
BayesDel_addAF
Pathogenic
0.21
D
BayesDel_noAF
Uncertain
0.13
CADD
Uncertain
23
DANN
Benign
0.93
DEOGEN2
Benign
0.0057
T
Eigen
Uncertain
0.30
Eigen_PC
Uncertain
0.37
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.92
D
M_CAP
Benign
0.015
T
MetaRNN
Uncertain
0.70
D
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.3
M
MutationTaster
Benign
1.0
D
PrimateAI
Pathogenic
0.84
D
PROVEAN
Benign
3.5
N
REVEL
Uncertain
0.39
Sift
Benign
0.084
T
Sift4G
Benign
0.38
T
Polyphen
1.0
D
Vest4
0.92
MVP
0.34
MPC
0.89
ClinPred
0.36
T
GERP RS
5.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.31
gMVP
0.88

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.

Other links and lift over

dbSNP: rs1490591594; hg19: chr20-5556563; COSMIC: COSV66830185; COSMIC: COSV66830185; API