chr7-66995300-G-C
Variant names:
Variant summary
Our verdict is Likely pathogenic. The variant received 8 ACMG points: 8P and 0B. PM1PM2PP3_Strong
The NM_016038.4(SBDS):c.118C>G(p.Arg40Gly) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. R40R) has been classified as Likely benign.
Frequency
Genomes: not found (cov: 33)
Consequence
SBDS
NM_016038.4 missense
NM_016038.4 missense
Scores
13
5
1
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: 4.20
Publications
0 publications found
Genes affected
SBDS (HGNC:19440): (SBDS ribosome maturation factor) This gene encodes a highly conserved protein that plays an essential role in ribosome biogenesis. The encoded protein interacts with elongation factor-like GTPase 1 to disassociate eukaryotic initiation factor 6 from the late cytoplasmic pre-60S ribosomal subunit allowing assembly of the 80S subunit. Mutations within this gene are associated with the autosomal recessive disorder Shwachman-Bodian-Diamond syndrome. This gene has a closely linked pseudogene that is distally located. [provided by RefSeq, Jan 2017]
TYW1 (HGNC:25598): (tRNA-yW synthesizing protein 1 homolog) Wybutosine (yW) is a hypermodified guanosine found in phenylalanine tRNA adjacent to the anticodon that stabilizes codon-anticodon interactions in the ribosome. In yeast, the homolog of this gene is essential for the synthesis of wybutosine. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2015]
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ACMG classification
Classification was made for transcript
Our verdict: Likely_pathogenic. The variant received 8 ACMG points.
PM1
In a hotspot region, there are 3 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 9 uncertain in NM_016038.4
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.986
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| SBDS | NM_016038.4 | c.118C>G | p.Arg40Gly | missense_variant | Exon 1 of 5 | ENST00000246868.7 | NP_057122.2 |
Ensembl
Frequencies
GnomAD3 genomes
GnomAD3 genomes
Cov.:
33
GnomAD2 exomes AF: 0.00000398 AC: 1AN: 251022 AF XY: 0.00 show subpopulations
GnomAD2 exomes
AF:
AC:
1
AN:
251022
AF XY:
Gnomad AFR exome
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Gnomad AMR exome
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Gnomad ASJ exome
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Gnomad EAS exome
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Gnomad FIN exome
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Gnomad NFE exome
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Gnomad OTH exome
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GnomAD4 exome Cov.: 31
GnomAD4 exome
Cov.:
31
GnomAD4 genome
GnomAD4 genome
Cov.:
33
ClinVar
Not reported inComputational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
DANN
Uncertain
DEOGEN2
Pathogenic
D;D
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Uncertain
D
LIST_S2
Pathogenic
D;D
M_CAP
Pathogenic
D
MetaRNN
Pathogenic
D;D
MetaSVM
Pathogenic
D
MutationAssessor
Pathogenic
H;.
PhyloP100
PrimateAI
Uncertain
T
PROVEAN
Pathogenic
D;.
REVEL
Pathogenic
Sift
Uncertain
D;.
Sift4G
Uncertain
D;D
Polyphen
D;.
Vest4
MutPred
Loss of MoRF binding (P = 0.0261);Loss of MoRF binding (P = 0.0261);
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
DS_DG_spliceai
Position offset: 13
Find out detailed SpliceAI scores and Pangolin per-transcript scores at
Publications
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