chr2-86121598-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 4P and 1B. PM2PP3_ModerateBP6

The NM_017952.6(PTCD3):​c.654+4A>G variant causes a splice donor region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000342 in 1,562,134 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.0017 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00020 ( 0 hom. )

Consequence

PTCD3
NM_017952.6 splice_donor_region, intron

Scores

2
Splicing: ADA: 0.9997
2

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 2.25
Variant links:
Genes affected
PTCD3 (HGNC:24717): (pentatricopeptide repeat domain 3) Enables rRNA binding activity and ribosomal small subunit binding activity. Involved in mitochondrial translation. Located in several cellular components, including cytosol; mitochondrion; and nucleoplasm. Implicated in combined oxidative phosphorylation deficiency 51. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
Splicing scoreres supports a deletorius effect: Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. Scorers claiming Uncertain: max_spliceai. No scorers claiming Benign.
BP6
Variant 2-86121598-A-G is Benign according to our data. Variant chr2-86121598-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 3035812.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PTCD3NM_017952.6 linkuse as main transcriptc.654+4A>G splice_donor_region_variant, intron_variant ENST00000254630.12 NP_060422.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PTCD3ENST00000254630.12 linkuse as main transcriptc.654+4A>G splice_donor_region_variant, intron_variant 1 NM_017952.6 ENSP00000254630 P1Q96EY7-1

Frequencies

GnomAD3 genomes
AF:
0.00170
AC:
259
AN:
152140
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00611
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000488
AC:
108
AN:
221248
Hom.:
0
AF XY:
0.000325
AC XY:
39
AN XY:
120022
show subpopulations
Gnomad AFR exome
AF:
0.00655
Gnomad AMR exome
AF:
0.000155
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000411
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000191
GnomAD4 exome
AF:
0.000196
AC:
276
AN:
1409878
Hom.:
0
Cov.:
25
AF XY:
0.000159
AC XY:
112
AN XY:
702522
show subpopulations
Gnomad4 AFR exome
AF:
0.00776
Gnomad4 AMR exome
AF:
0.000198
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000125
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000461
Gnomad4 OTH exome
AF:
0.000344
GnomAD4 genome
AF:
0.00170
AC:
259
AN:
152256
Hom.:
1
Cov.:
32
AF XY:
0.00157
AC XY:
117
AN XY:
74452
show subpopulations
Gnomad4 AFR
AF:
0.00609
Gnomad4 AMR
AF:
0.000262
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000851
Hom.:
1
Bravo
AF:
0.00200
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

PTCD3-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMar 30, 2022This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.41
CADD
Uncertain
24
DANN
Benign
0.67
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.88
SpliceAI score (max)
0.27
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.27
Position offset: -1
DS_DL_spliceai
0.21
Position offset: -4

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: rs143142339; hg19: chr2-86348721; API