chr16-69744907-C-G
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Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_014062.3(NOB1):āc.935G>Cā(p.Arg312Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000135 in 1,613,694 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā ).
Frequency
Genomes: š 0.000085 ( 0 hom., cov: 32)
Exomes š: 0.00014 ( 0 hom. )
Consequence
NOB1
NM_014062.3 missense
NM_014062.3 missense
Scores
6
13
Clinical Significance
Conservation
PhyloP100: 1.14
Genes affected
NOB1 (HGNC:29540): (NIN1 (RPN12) binding protein 1 homolog) In yeast, over 200 protein and RNA cofactors are required for ribosome assembly, and these are generally conserved in eukaryotes. These factors orchestrate modification and cleavage of the initial 35S precursor rRNA transcript into the mature 18S, 5.8S, and 25S rRNAs, folding of the rRNA, and binding of ribosomal proteins and 5S RNA. Nob1 is involved in pre-rRNA processing. In a late cytoplasmic processing step, Nob1 cleaves a 20S rRNA intermediate at cleavage site D to produce the mature 18S rRNA (Lamanna and Karbstein, 2009 [PubMed 19706509]).[supplied by OMIM, Nov 2010]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
NOB1 | NM_014062.3 | c.935G>C | p.Arg312Pro | missense_variant | 8/9 | ENST00000268802.10 | |
NOB1 | NR_074074.2 | n.820G>C | non_coding_transcript_exon_variant | 7/8 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
NOB1 | ENST00000268802.10 | c.935G>C | p.Arg312Pro | missense_variant | 8/9 | 1 | NM_014062.3 | P1 | |
NOB1 | ENST00000564620.5 | c.*603G>C | 3_prime_UTR_variant, NMD_transcript_variant | 7/7 | 2 | ||||
NOB1 | ENST00000569871.5 | c.*570G>C | 3_prime_UTR_variant, NMD_transcript_variant | 7/8 | 5 |
Frequencies
GnomAD3 genomes AF: 0.0000854 AC: 13AN: 152164Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.000163 AC: 41AN: 250888Hom.: 0 AF XY: 0.000162 AC XY: 22AN XY: 135620
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GnomAD4 exome AF: 0.000140 AC: 205AN: 1461530Hom.: 0 Cov.: 31 AF XY: 0.000140 AC XY: 102AN XY: 727030
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GnomAD4 genome AF: 0.0000854 AC: 13AN: 152164Hom.: 0 Cov.: 32 AF XY: 0.0000942 AC XY: 7AN XY: 74322
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Oct 29, 2021 | The c.935G>C (p.R312P) alteration is located in exon 8 (coding exon 8) of the NOB1 gene. This alteration results from a G to C substitution at nucleotide position 935, causing the arginine (R) at amino acid position 312 to be replaced by a proline (P). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Uncertain
DANN
Uncertain
DEOGEN2
Benign
T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Benign
D
LIST_S2
Uncertain
D
M_CAP
Benign
D
MetaRNN
Uncertain
D
MetaSVM
Benign
T
MutationAssessor
Benign
M
MutationTaster
Benign
D
PrimateAI
Benign
T
PROVEAN
Uncertain
D
REVEL
Benign
Sift
Uncertain
D
Sift4G
Uncertain
D
Polyphen
P
Vest4
MVP
MPC
ClinPred
T
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at