2-135985829-T-C

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The ENST00000441323.5(DARS1):​c.-50A>G variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00368 in 385,404 control chromosomes in the GnomAD database, including 13 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0076 ( 11 hom., cov: 33)
Exomes 𝑓: 0.0011 ( 2 hom. )

Consequence

DARS1
ENST00000441323.5 5_prime_UTR

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -3.58
Variant links:
Genes affected
DARS1 (HGNC:2678): (aspartyl-tRNA synthetase 1) This gene encodes a member of a multienzyme complex that functions in mediating the attachment of amino acids to their cognate tRNAs. The encoded protein ligates L-aspartate to tRNA(Asp). Mutations in this gene have been found in patients showing hypomyelination with brainstem and spinal cord involvement and leg spasticity. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jun 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.81).
BP6
Variant 2-135985829-T-C is Benign according to our data. Variant chr2-135985829-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 1329551.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00756 (1151/152326) while in subpopulation AFR AF= 0.0261 (1085/41574). AF 95% confidence interval is 0.0248. There are 11 homozygotes in gnomad4. There are 575 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 11 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
DARS1-AS1NR_110199.1 linkuse as main transcriptn.341+313T>C intron_variant
DARS1-AS1NR_110200.1 linkuse as main transcriptn.341+313T>C intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DARS1ENST00000441323.5 linkuse as main transcriptc.-50A>G 5_prime_UTR_variant 1/83 ENSP00000389867.1 C9JLC1
DARS1ENST00000449218.5 linkuse as main transcriptc.-69A>G 5_prime_UTR_variant 1/63 ENSP00000388801.1 C9JQM9
DARS1ENST00000456565.5 linkuse as main transcriptc.-34+101A>G intron_variant 3 ENSP00000397616.1 C9J7S3

Frequencies

GnomAD3 genomes
AF:
0.00752
AC:
1144
AN:
152208
Hom.:
12
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0260
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00347
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00526
GnomAD4 exome
AF:
0.00115
AC:
268
AN:
233078
Hom.:
2
Cov.:
3
AF XY:
0.00110
AC XY:
134
AN XY:
121906
show subpopulations
Gnomad4 AFR exome
AF:
0.0268
Gnomad4 AMR exome
AF:
0.00143
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000183
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000291
Gnomad4 OTH exome
AF:
0.00220
GnomAD4 genome
AF:
0.00756
AC:
1151
AN:
152326
Hom.:
11
Cov.:
33
AF XY:
0.00772
AC XY:
575
AN XY:
74502
show subpopulations
Gnomad4 AFR
AF:
0.0261
Gnomad4 AMR
AF:
0.00346
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00521
Alfa
AF:
0.00562
Hom.:
1
Bravo
AF:
0.00842
Asia WGS
AF:
0.00231
AC:
8
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingGeneDxJun 24, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.81
CADD
Benign
0.056
DANN
Benign
0.56

Splicing

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: rs79018926; hg19: chr2-136743399; API