17-29562619-A-G

Position:

• chr17-29562619-A-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_198147.3(ABHD15):​c.1349T>C​(p.Val450Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,766 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 (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: ABHD15 NM_198147.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.526

Genes affected

ABHD15 (HGNC:26971): (abhydrolase domain containing 15) Predicted to enable acylglycerol lipase activity and short-chain carboxylesterase activity. Predicted to be involved in cellular lipid metabolic process. Located in membrane. [provided by Alliance of Genome Resources, Apr 2022]

ABHD15-AS1 (HGNC:49685): (ABHD15 antisense RNA 1)

ACMG classification

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=0.025906414).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ABHD15	NM_198147.3	c.1349T>C	p.Val450Ala	missense_variant	2/2	ENST00000307201.5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ABHD15	ENST00000307201.5	c.1349T>C	p.Val450Ala	missense_variant	2/2	1	NM_198147.3	P1
ABHD15-AS1	ENST00000581474.1	n.153+1920A>G		intron_variant, non_coding_transcript_variant		5

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461766 Hom.: 0 Cov.: 76 AF XY: 0.00000138 AC XY: 1 AN XY: 727178

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: 8.99e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Apr 01, 2024

The c.1349T>C (p.V450A) alteration is located in exon 2 (coding exon 2) of the ABHD15 gene. This alteration results from a T to C substitution at nucleotide position 1349, causing the valine (V) at amino acid position 450 to be replaced by an alanine (A). 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	0.069
BayesDel_addAF	Benign	-0.39	T
BayesDel_noAF	Benign	-0.79
CADD	Benign	0.83
DANN	Benign	0.70
DEOGEN2	Benign	0.0066	T
Eigen	Benign	-0.84
Eigen_PC	Benign	-0.75
FATHMM_MKL	Benign	0.0050	N
LIST_S2	Benign	0.43	T
M_CAP	Benign	0.0039	T
MetaRNN	Benign	0.026	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	1.8	L
MutationTaster	Benign	1.0	N
PrimateAI	Benign	0.33	T
PROVEAN	Benign	-0.29	N
REVEL	Benign	0.043
Sift	Benign	0.17	T
Sift4G	Benign	0.090	T
Polyphen		0.0	B
Vest4		0.017
MutPred		0.16		Loss of stability (P = 0.0779);
MVP		0.095
MPC		0.029
ClinPred		0.67	D
GERP RS		2.4
Varity_R		0.033
gMVP		0.35

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr17-27889637;