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GeneBe

15-80696007-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_021214.2(ABHD17C):c.578C>A(p.Ala193Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000318 in 1,574,026 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

ABHD17C
NM_021214.2 missense

Scores

2
6
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.47
Variant links:
Genes affected
ABHD17C (HGNC:26925): (abhydrolase domain containing 17C, depalmitoylase) Enables palmitoyl-(protein) hydrolase activity. Involved in protein depalmitoylation. Predicted to be located in postsynaptic density. Predicted to be active in endosome membrane; glutamatergic synapse; and plasma membrane. [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 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.39339167).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ABHD17CNM_021214.2 linkuse as main transcriptc.578C>A p.Ala193Glu missense_variant 1/3 ENST00000258884.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ABHD17CENST00000258884.5 linkuse as main transcriptc.578C>A p.Ala193Glu missense_variant 1/31 NM_021214.2 P1Q6PCB6-1
ABHD17CENST00000558464.1 linkuse as main transcriptc.578C>A p.Ala193Glu missense_variant 1/31 Q6PCB6-2
ABHD17CENST00000560609.1 linkuse as main transcriptc.-116+16246C>A intron_variant 4

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152132
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000540
AC:
1
AN:
185338
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
102396
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:
0.0000120
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000211
AC:
3
AN:
1421894
Hom.:
0
Cov.:
33
AF XY:
0.00000142
AC XY:
1
AN XY:
705786
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:
0.00000273
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152132
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74324
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756

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 GeneticsOct 18, 2021The c.578C>A (p.A193E) alteration is located in exon 1 (coding exon 1) of the ABHD17C gene. This alteration results from a C to A substitution at nucleotide position 578, causing the alanine (A) at amino acid position 193 to be replaced by a glutamic acid (E). 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
0.86
BayesDel_addAF
Uncertain
0.053
T
BayesDel_noAF
Benign
-0.16
Cadd
Uncertain
25
Dann
Uncertain
0.99
DEOGEN2
Benign
0.070
T;.
Eigen
Benign
0.17
Eigen_PC
Uncertain
0.25
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Uncertain
0.96
D;D
M_CAP
Benign
0.085
D
MetaRNN
Benign
0.39
T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
1.6
L;L
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.84
D
PROVEAN
Uncertain
-3.0
D;D
REVEL
Benign
0.17
Sift
Benign
0.092
T;T
Sift4G
Benign
0.26
T;T
Polyphen
0.65
P;P
Vest4
0.69
MutPred
0.46
Gain of helix (P = 0.132);Gain of helix (P = 0.132);
MVP
0.28
MPC
1.9
ClinPred
0.91
D
GERP RS
4.9
Varity_R
0.71
gMVP
0.93

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: rs1441095750; hg19: chr15-80988348; API