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rs200408568

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 3P and 2B. PM2PP2BP4_Moderate

The NM_177438.3(DICER1):c.2720T>G(p.Ile907Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000125 in 1,604,888 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. I907T) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

DICER1
NM_177438.3 missense

Scores

2
16

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.71
Variant links:
Genes affected
DICER1 (HGNC:17098): (dicer 1, ribonuclease III) This gene encodes a protein possessing an RNA helicase motif containing a DEXH box in its amino terminus and an RNA motif in the carboxy terminus. The encoded protein functions as a ribonuclease and is required by the RNA interference and small temporal RNA (stRNA) pathways to produce the active small RNA component that represses gene expression. This protein also acts as a strong antiviral agent with activity against RNA viruses, including the Zika and SARS-CoV-2 viruses. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2021]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant where missense usually causes diseases, DICER1
BP4
Computational evidence support a benign effect (MetaRNN=0.21820983).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DICER1NM_177438.3 linkuse as main transcriptc.2720T>G p.Ile907Arg missense_variant 17/27 ENST00000343455.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DICER1ENST00000343455.8 linkuse as main transcriptc.2720T>G p.Ile907Arg missense_variant 17/271 NM_177438.3 P1Q9UPY3-1

Frequencies

GnomAD3 genomes
AF:
0.00000662
AC:
1
AN:
150990
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000148
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
6.88e-7
AC:
1
AN:
1453898
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
723180
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.04e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000662
AC:
1
AN:
150990
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
73742
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000148
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.17
BayesDel_addAF
Benign
-0.14
T
BayesDel_noAF
Benign
-0.44
Cadd
Benign
22
Dann
Benign
0.95
DEOGEN2
Benign
0.10
T;T;T;T;.
Eigen
Benign
-0.11
Eigen_PC
Benign
0.085
FATHMM_MKL
Uncertain
0.95
D
M_CAP
Benign
0.0086
T
MetaRNN
Benign
0.22
T;T;T;T;T
MetaSVM
Benign
-0.98
T
MutationAssessor
Benign
0.76
N;N;N;N;N
MutationTaster
Benign
1.0
D;D;D;D;D
PrimateAI
Uncertain
0.63
T
PROVEAN
Benign
1.3
N;N;N;N;N
REVEL
Benign
0.12
Sift
Benign
0.58
T;T;T;T;T
Sift4G
Benign
0.62
T;T;T;T;T
Polyphen
0.21
B;B;B;B;.
Vest4
0.47
MutPred
0.63
Gain of solvent accessibility (P = 0.0097);Gain of solvent accessibility (P = 0.0097);Gain of solvent accessibility (P = 0.0097);Gain of solvent accessibility (P = 0.0097);Gain of solvent accessibility (P = 0.0097);
MVP
0.60
MPC
1.1
ClinPred
0.47
T
GERP RS
4.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.37
gMVP
0.58

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
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: rs200408568; hg19: chr14-95574029; API