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GeneBe

8-142840501-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_002066.3(GML):c.64C>T(p.Arg22Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000305 in 1,604,068 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. R22R) has been classified as Benign.

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

GML
NM_002066.3 missense

Scores

1
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.733
Variant links:
Genes affected
GML (HGNC:4375): (glycosylphosphatidylinositol anchored molecule like) Predicted to be involved in DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest; apoptotic process; and negative regulation of cell population proliferation. Predicted to be extrinsic component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.045149744).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GMLNM_002066.3 linkuse as main transcriptc.64C>T p.Arg22Cys missense_variant 2/4 ENST00000220940.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GMLENST00000220940.2 linkuse as main transcriptc.64C>T p.Arg22Cys missense_variant 2/41 NM_002066.3 P1
GMLENST00000522728.5 linkuse as main transcriptc.64C>T p.Arg22Cys missense_variant 2/53

Frequencies

GnomAD3 genomes
AF:
0.0000328
AC:
5
AN:
152222
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000557
AC:
14
AN:
251346
Hom.:
0
AF XY:
0.0000294
AC XY:
4
AN XY:
135848
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.000174
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.0000653
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000303
AC:
44
AN:
1451728
Hom.:
0
Cov.:
29
AF XY:
0.0000249
AC XY:
18
AN XY:
722768
show subpopulations
Gnomad4 AFR exome
AF:
0.0000300
Gnomad4 AMR exome
AF:
0.000157
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000303
Gnomad4 SAS exome
AF:
0.0000697
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000163
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000328
AC:
5
AN:
152340
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74506
show subpopulations
Gnomad4 AFR
AF:
0.0000240
Gnomad4 AMR
AF:
0.0000653
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000302
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

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 GeneticsJul 31, 2023The c.64C>T (p.R22C) alteration is located in exon 2 (coding exon 1) of the GML gene. This alteration results from a C to T substitution at nucleotide position 64, causing the arginine (R) at amino acid position 22 to be replaced by a cysteine (C). 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
Benign
0.33
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.55
Cadd
Benign
5.7
Dann
Benign
0.62
Eigen
Benign
-2.1
Eigen_PC
Benign
-2.2
FATHMM_MKL
Benign
0.0089
N
LIST_S2
Benign
0.51
T;T
M_CAP
Benign
0.00060
T
MetaRNN
Benign
0.045
T;T
MetaSVM
Benign
-1.0
T
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.24
T
PROVEAN
Benign
-1.1
N;N
REVEL
Benign
0.12
Sift
Uncertain
0.026
D;D
Sift4G
Benign
0.11
T;T
Polyphen
0.43
.;B
Vest4
0.15
MVP
0.081
MPC
0.21
ClinPred
0.063
T
GERP RS
-5.4
Varity_R
0.054
gMVP
0.50

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: rs199525495; hg19: chr8-143921917; API