chr19-35546813-G-A

Variant summary

Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM2PP3_StrongPP5_Moderate

The NM_032635.4(TMEM147):​c.344+5G>A variant causes a splice donor 5th base, intron change. The variant allele was found at a frequency of 0.00000929 in 1,614,062 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Pathogenic (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000096 ( 0 hom. )

Consequence

TMEM147
NM_032635.4 splice_donor_5th_base, intron

Scores

2
Splicing: ADA: 1.000
2

Clinical Significance

Pathogenic criteria provided, single submitter P:2

Conservation

PhyloP100: 4.98
Variant links:
Genes affected
TMEM147 (HGNC:30414): (transmembrane protein 147) Enables ribosome binding activity. Located in endoplasmic reticulum membrane. Part of protein-containing complex. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 8 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
Splicing scoreres supports a deletorius effect: Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. Scorers claiming Uncertain: max_spliceai. No scorers claiming Benign.
PP5
Variant 19-35546813-G-A is Pathogenic according to our data. Variant chr19-35546813-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 1708023.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr19-35546813-G-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TMEM147NM_032635.4 linkuse as main transcriptc.344+5G>A splice_donor_5th_base_variant, intron_variant ENST00000222284.10
TMEM147NM_001242597.2 linkuse as main transcriptc.197+5G>A splice_donor_5th_base_variant, intron_variant
TMEM147NM_001242598.2 linkuse as main transcriptc.207+228G>A intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TMEM147ENST00000222284.10 linkuse as main transcriptc.344+5G>A splice_donor_5th_base_variant, intron_variant 1 NM_032635.4 P1Q9BVK8-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152224
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251376
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135878
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:
0.0000653
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000958
AC:
14
AN:
1461838
Hom.:
0
Cov.:
31
AF XY:
0.0000138
AC XY:
10
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.00000809
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152224
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74370
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000540
Hom.:
0
Bravo
AF:
0.0000113
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

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

Submissions by phenotype

Intellectual disability, severe;C0424503:Abnormal facial shape;C1848207:Poor speech;C1854301:Motor delay;C1854882:Absent speech Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingEquipe Genetique des Anomalies du Developpement, Université de Bourgogne-- -
Neurodevelopmental disorder with facial dysmorphism, absent language, and pseudo-pelger-huet anomaly Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMOct 19, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.23
CADD
Benign
23
DANN
Benign
0.95
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
1.0
SpliceAI score (max)
0.39
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.39
Position offset: -5

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: rs749966973; hg19: chr19-36037715; COSMIC: COSV52866393; COSMIC: COSV52866393; API