rs765977339
Variant summary
Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate
The NM_001605.3(AARS1):c.1894G>C(p.Asp632His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,614,020 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000014 ( 0 hom. )
Consequence
AARS1
NM_001605.3 missense
NM_001605.3 missense
Scores
11
7
1
Clinical Significance
Conservation
PhyloP100: 7.66
Genes affected
AARS1 (HGNC:20): (alanyl-tRNA synthetase 1) The human alanyl-tRNA synthetase (AARS) belongs to a family of tRNA synthases, of the class II enzymes. Class II tRNA synthases evolved early in evolution and are highly conserved. This is reflected by the fact that 498 of the 968-residue polypeptide human AARS shares 41% identity witht the E.coli protein. tRNA synthases are the enzymes that interpret the RNA code and attach specific aminoacids to the tRNAs that contain the cognate trinucleotide anticodons. They consist of a catalytic domain which interacts with the amino acid acceptor-T psi C helix of the tRNA, and a second domain which interacts with the rest of the tRNA structure. [provided by RefSeq, Jul 2008]
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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;
PP3
?
MetaRNN computational evidence supports a deleterious effect, 0.891
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
AARS1 | NM_001605.3 | c.1894G>C | p.Asp632His | missense_variant | 14/21 | ENST00000261772.13 | |
AARS1 | XM_047433666.1 | c.1894G>C | p.Asp632His | missense_variant | 14/16 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
AARS1 | ENST00000261772.13 | c.1894G>C | p.Asp632His | missense_variant | 14/21 | 1 | NM_001605.3 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.00000657 AC: 1AN: 152138Hom.: 0 Cov.: 31
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GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251496Hom.: 0 AF XY: 0.00 AC XY: 0AN XY: 135922
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GnomAD4 exome AF: 0.00000137 AC: 2AN: 1461882Hom.: 0 Cov.: 32 AF XY: 0.00000275 AC XY: 2AN XY: 727244
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GnomAD4 genome ? AF: 0.00000657 AC: 1AN: 152138Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0AN XY: 74332
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Charcot-Marie-Tooth disease type 2 Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Dec 24, 2021 | Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. ClinVar contains an entry for this variant (Variation ID: 572232). This variant has not been reported in the literature in individuals affected with AARS-related conditions. This variant is present in population databases (rs765977339, gnomAD 0.0008%). This sequence change replaces aspartic acid, which is acidic and polar, with histidine, which is basic and polar, at codon 632 of the AARS protein (p.Asp632His). - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
Cadd
Pathogenic
Dann
Uncertain
DEOGEN2
Uncertain
D
Eigen
Pathogenic
Eigen_PC
Pathogenic
FATHMM_MKL
Pathogenic
D
LIST_S2
Pathogenic
D
M_CAP
Uncertain
D
MetaRNN
Pathogenic
D
MetaSVM
Uncertain
D
MutationAssessor
Pathogenic
M
MutationTaster
Benign
D
PrimateAI
Uncertain
T
PROVEAN
Pathogenic
D
REVEL
Pathogenic
Sift
Uncertain
D
Sift4G
Uncertain
D
Polyphen
D
Vest4
MutPred
Gain of MoRF binding (P = 0.0522);
MVP
MPC
ClinPred
D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
DS_AG_spliceai
Position offset: -11
Find out detailed SpliceAI scores and Pangolin per-transcript scores at