chr12-130342609-A-G

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_ModerateBP6BP7BS2

The NM_004764.5(PIWIL1):ā€‹c.18A>Gā€‹(p.Arg6=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000624 in 1,613,696 control chromosomes in the GnomAD database, including 4 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (no stars).

Frequency

Genomes: š‘“ 0.0026 ( 1 hom., cov: 33)
Exomes š‘“: 0.00042 ( 3 hom. )

Consequence

PIWIL1
NM_004764.5 synonymous

Scores

2

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: 1.34
Variant links:
Genes affected
PIWIL1 (HGNC:9007): (piwi like RNA-mediated gene silencing 1) This gene encodes a member of the PIWI subfamily of Argonaute proteins, evolutionarily conserved proteins containing both PAZ and Piwi motifs that play important roles in stem cell self-renewal, RNA silencing, and translational regulation in diverse organisms. The encoded protein may play a role as an intrinsic regulator of the self-renewal capacity of germline and hematopoietic stem cells. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2010]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.45).
BP6
Variant 12-130342609-A-G is Benign according to our data. Variant chr12-130342609-A-G is described in ClinVar as [Benign]. Clinvar id is 3049632.Status of the report is no_assertion_criteria_provided, 0 stars.
BP7
Synonymous conserved (PhyloP=1.34 with no splicing effect.
BS2
High Homozygotes in GnomAdExome4 at 3 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PIWIL1NM_004764.5 linkuse as main transcriptc.18A>G p.Arg6= synonymous_variant 2/21 ENST00000245255.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PIWIL1ENST00000245255.7 linkuse as main transcriptc.18A>G p.Arg6= synonymous_variant 2/211 NM_004764.5 P1Q96J94-1

Frequencies

GnomAD3 genomes
AF:
0.00254
AC:
387
AN:
152228
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00805
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00124
Gnomad ASJ
AF:
0.00576
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000118
Gnomad OTH
AF:
0.00287
GnomAD3 exomes
AF:
0.000941
AC:
236
AN:
250858
Hom.:
1
AF XY:
0.000759
AC XY:
103
AN XY:
135690
show subpopulations
Gnomad AFR exome
AF:
0.00869
Gnomad AMR exome
AF:
0.000868
Gnomad ASJ exome
AF:
0.00427
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000654
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000123
Gnomad OTH exome
AF:
0.00115
GnomAD4 exome
AF:
0.000422
AC:
616
AN:
1461350
Hom.:
3
Cov.:
30
AF XY:
0.000385
AC XY:
280
AN XY:
727032
show subpopulations
Gnomad4 AFR exome
AF:
0.00882
Gnomad4 AMR exome
AF:
0.000827
Gnomad4 ASJ exome
AF:
0.00486
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000585
Gnomad4 OTH exome
AF:
0.00129
GnomAD4 genome
AF:
0.00257
AC:
391
AN:
152346
Hom.:
1
Cov.:
33
AF XY:
0.00247
AC XY:
184
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.00813
Gnomad4 AMR
AF:
0.00124
Gnomad4 ASJ
AF:
0.00576
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000118
Gnomad4 OTH
AF:
0.00284
Alfa
AF:
0.00169
Hom.:
1
Bravo
AF:
0.00291
Asia WGS
AF:
0.000866
AC:
3
AN:
3478
EpiCase
AF:
0.000218
EpiControl
AF:
0.000296

ClinVar

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

Submissions by phenotype

PIWIL1-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesDec 31, 2019This variant is classified as 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
-0.45
CADD
Benign
8.7
DANN
Benign
0.71

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
Details are displayed if max score is > 0.2

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: rs142397870; hg19: chr12-130827154; API