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rs35070885

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_004260.4(RECQL4):c.2926G>A(p.Glu976Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000044 in 1,612,578 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 11/14 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. E976D) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 34)
Exomes 𝑓: 0.000047 ( 0 hom. )

Consequence

RECQL4
NM_004260.4 missense

Scores

11

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.0830
Variant links:
Genes affected
RECQL4 (HGNC:9949): (RecQ like helicase 4) The protein encoded by this gene is a DNA helicase that belongs to the RecQ helicase family. DNA helicases unwind double-stranded DNA into single-stranded DNAs and may modulate chromosome segregation. This gene is predominantly expressed in thymus and testis. Mutations in this gene are associated with Rothmund-Thomson, RAPADILINO and Baller-Gerold syndromes. [provided by RefSeq, Jan 2010]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.028950006).
BP6
Variant 8-144512521-C-T is Benign according to our data. Variant chr8-144512521-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 406950.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr8-144512521-C-T is described in Lovd as [Likely_benign].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RECQL4NM_004260.4 linkuse as main transcriptc.2926G>A p.Glu976Lys missense_variant 17/21 ENST00000617875.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RECQL4ENST00000617875.6 linkuse as main transcriptc.2926G>A p.Glu976Lys missense_variant 17/211 NM_004260.4 P1
ENST00000580385.1 linkuse as main transcript upstream_gene_variant 3

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152256
Hom.:
0
Cov.:
34
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:
0.000577
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000365
AC:
9
AN:
246786
Hom.:
0
AF XY:
0.0000371
AC XY:
5
AN XY:
134770
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000501
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000466
AC:
68
AN:
1460204
Hom.:
0
Cov.:
67
AF XY:
0.0000399
AC XY:
29
AN XY:
726356
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00171
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152374
Hom.:
0
Cov.:
34
AF XY:
0.0000268
AC XY:
2
AN XY:
74512
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000578
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000151
ExAC
AF:
0.0000582
AC:
7
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

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

Submissions by phenotype

Baller-Gerold syndrome Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeOct 24, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.067
BayesDel_addAF
Benign
-0.42
T
BayesDel_noAF
Benign
-0.51
Cadd
Benign
0.75
Dann
Benign
0.49
DEOGEN2
Benign
0.0027
T;T;T
FATHMM_MKL
Benign
0.31
N
LIST_S2
Benign
0.53
T;T;T
M_CAP
Benign
0.0047
T
MetaRNN
Benign
0.029
T;T;T
PrimateAI
Benign
0.25
T
Sift4G
Benign
1.0
T;T;T
Polyphen
0.0020
.;B;.
Vest4
0.14
MVP
0.78
GERP RS
0.60
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.021
gMVP
0.42

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: rs35070885; hg19: chr8-145737904; API