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GeneBe

15-89116506-C-G

Variant summary

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

The NM_152924.5(ABHD2):c.179C>G(p.Pro60Arg) variant causes a missense change. The variant allele was found at a frequency of 0.0000328 in 1,613,784 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00019 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

ABHD2
NM_152924.5 missense

Scores

6
5
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.05
Variant links:
Genes affected
ABHD2 (HGNC:18717): (abhydrolase domain containing 2, acylglycerol lipase) This gene encodes a protein containing an alpha/beta hydrolase fold, which is a catalytic domain found in a wide range of enzymes. The encoded protein is an acylglycerol lipase that catalyzes the hydrolysis of endocannabinoid arachidonoylglycerol from the cell membrane. This leads to activation of the sperm calcium channel CatSper, which results in sperm activation. Alternative splicing of this gene results in two transcript variants encoding the same protein. [provided by RefSeq, Jan 2017]

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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 UniProt
ABHD2NM_152924.5 linkuse as main transcriptc.179C>G p.Pro60Arg missense_variant 3/11 ENST00000352732.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ABHD2ENST00000352732.10 linkuse as main transcriptc.179C>G p.Pro60Arg missense_variant 3/111 NM_152924.5 P1

Frequencies

GnomAD3 genomes
AF:
0.000190
AC:
29
AN:
152236
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000627
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000196
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000320
AC:
8
AN:
250294
Hom.:
0
AF XY:
0.0000370
AC XY:
5
AN XY:
135230
show subpopulations
Gnomad AFR exome
AF:
0.000492
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000164
AC:
24
AN:
1461430
Hom.:
0
Cov.:
31
AF XY:
0.0000124
AC XY:
9
AN XY:
727008
show subpopulations
Gnomad4 AFR exome
AF:
0.000478
Gnomad4 AMR exome
AF:
0.000112
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.00e-7
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.000190
AC:
29
AN:
152354
Hom.:
0
Cov.:
32
AF XY:
0.000175
AC XY:
13
AN XY:
74498
show subpopulations
Gnomad4 AFR
AF:
0.000625
Gnomad4 AMR
AF:
0.000196
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.000249
ESP6500AA
AF:
0.000682
AC:
3
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000659
AC:
8

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 GeneticsJan 10, 2023The c.179C>G (p.P60R) alteration is located in exon 7 (coding exon 1) of the ABHD2 gene. This alteration results from a C to G substitution at nucleotide position 179, causing the proline (P) at amino acid position 60 to be replaced by an arginine (R). 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
0.22
BayesDel_addAF
Benign
-0.058
T
BayesDel_noAF
Uncertain
0.090
Cadd
Pathogenic
29
Dann
Uncertain
1.0
DEOGEN2
Benign
0.11
T;T;T;T
Eigen
Pathogenic
0.82
Eigen_PC
Pathogenic
0.81
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.96
D;.;D;D
M_CAP
Benign
0.027
D
MetaRNN
Uncertain
0.57
D;D;D;D
MetaSVM
Benign
-0.99
T
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.85
D
PROVEAN
Pathogenic
-7.3
D;D;D;D
Sift
Uncertain
0.0010
D;D;D;D
Sift4G
Pathogenic
0.0
D;D;D;D
Polyphen
0.98
.;D;.;D
Vest4
0.89, 0.89
MVP
0.52
MPC
1.6
ClinPred
0.71
D
GERP RS
5.9
Varity_R
0.72
gMVP
0.87

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: rs141982781; hg19: chr15-89659737; API