16-20737165-AAAC-A

Variant summary

Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PM2PM4_SupportingPP5_Moderate

The NM_017736.5(THUMPD1):​c.774_776del​(p.Leu258del) variant causes a inframe deletion change. The variant allele was found at a frequency of 0.000000684 in 1,461,888 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

THUMPD1
NM_017736.5 inframe_deletion

Scores

Not classified

Clinical Significance

Likely pathogenic criteria provided, single submitter P:2

Conservation

PhyloP100: 7.08
Variant links:
Genes affected
THUMPD1 (HGNC:23807): (THUMP domain containing 1) Enables RNA binding activity. Predicted to be involved in tRNA modification. Predicted to be located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]
ACSM3 (HGNC:10522): (acyl-CoA synthetase medium chain family member 3) Enables butyrate-CoA ligase activity. Predicted to be involved in acyl-CoA metabolic process and fatty acid biosynthetic process. Located in mitochondrion. Implicated in IgA glomerulonephritis. Biomarker of ulcerative colitis. [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 5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM4
Nonframeshift variant in NON repetitive region in NM_017736.5. Strenght limited to Supporting due to length of the change: 1aa.
PP5
Variant 16-20737165-AAAC-A is Pathogenic according to our data. Variant chr16-20737165-AAAC-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 1333101.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr16-20737165-AAAC-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
THUMPD1NM_017736.5 linkuse as main transcriptc.774_776del p.Leu258del inframe_deletion 4/4 ENST00000396083.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
THUMPD1ENST00000396083.7 linkuse as main transcriptc.774_776del p.Leu258del inframe_deletion 4/41 NM_017736.5 P1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251416
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135882
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:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461888
Hom.:
0
AF XY:
0.00000138
AC XY:
1
AN XY:
727246
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:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Neurodevelopmental disorder with speech delay and variable ocular anomalies Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMAug 10, 2022- -
Neurodevelopmental disorder Pathogenic:1
Likely pathogenic, criteria provided, single submitterresearchLaboratory of Molecular Genetics (Pr. Bezieau's lab), CHU de NantesDec 15, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

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: rs772419789; hg19: chr16-20748487; API