10-73250990-AC-A

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP5_Moderate

The NM_016065.4(MRPS16):​c.275del​(p.Gly92ValfsTer11) variant causes a frameshift, splice region change. The variant allele was found at a frequency of 0.00000248 in 1,613,996 control chromosomes in the GnomAD database, with no homozygous occurrence. 1/1 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Pathogenic (β˜…).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

MRPS16
NM_016065.4 frameshift, splice_region

Scores

Not classified

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 6.00
Variant links:
Genes affected
MRPS16 (HGNC:14048): (mitochondrial ribosomal protein S16) Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes, where this ratio is reversed. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 28S subunit protein that belongs to the ribosomal protein S16P family. The encoded protein is one of the most highly conserved ribosomal proteins between mammalian and yeast mitochondria. Three pseudogenes (located at 8q21.3, 20q13.32, 22q12-q13.1) for this gene have been described. [provided by RefSeq, Jul 2008]
DNAJC9-AS1 (HGNC:31432): (DNAJC9 and MRPS16 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 10-73250990-AC-A is Pathogenic according to our data. Variant chr10-73250990-AC-A is described in ClinVar as [Pathogenic]. Clinvar id is 214677.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MRPS16NM_016065.4 linkuse as main transcriptc.275del p.Gly92ValfsTer11 frameshift_variant, splice_region_variant 3/3 ENST00000372945.8
DNAJC9-AS1NR_038373.1 linkuse as main transcriptn.175+2542del intron_variant, non_coding_transcript_variant
MRPS16XM_047425263.1 linkuse as main transcriptc.269del p.Gly90ValfsTer11 frameshift_variant, splice_region_variant 3/3
MRPS16NM_001410935.1 linkuse as main transcriptc.274+772del intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MRPS16ENST00000372945.8 linkuse as main transcriptc.275del p.Gly92ValfsTer11 frameshift_variant, splice_region_variant 3/31 NM_016065.4 P1Q9Y3D3-1
DNAJC9-AS1ENST00000440197.2 linkuse as main transcriptn.182+2542del intron_variant, non_coding_transcript_variant 1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152164
Hom.:
0
Cov.:
32
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
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461832
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
727220
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:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152164
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74340
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: Pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingGeneDxMar 19, 2014c.275delG in exon 3 of the MRPS16 gene (NM_016065.3). The normal sequence with the base that is deleted in braces is:ttag{G}TCTT with the intronic bases in lower case and the exonic bases in upper case. The c.275delG mutation in the MRPS16 gene destroys the canonical splice acceptor site in exon 3. It is predicted to cause abnormal gene splicing, either leading to an abnormal message that is subject to nonsense-mediated mRNA decay, or to an abnormal protein product if the message is used for protein translation. Although this mutation has not been previously reported to our knowledge, it is expected to be pathogenic. The variant is found in MITONUC-MITOP panel(s). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.73
Details are displayed if max score is > 0.2
DS_AL_spliceai
0.73
Position offset: 1

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: rs863224075; hg19: chr10-75010748; API