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GeneBe

rs4251692

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2

The NM_004260.4(RECQL4):​c.3393+9A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0264 in 1,610,494 control chromosomes in the GnomAD database, including 685 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.020 ( 51 hom., cov: 34)
Exomes 𝑓: 0.027 ( 634 hom. )

Consequence

RECQL4
NM_004260.4 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -0.998
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 Benign. Variant got -16 ACMG points.

BP6
Variant 8-144511902-T-C is Benign according to our data. Variant chr8-144511902-T-C is described in ClinVar as [Benign]. Clinvar id is 259260.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr8-144511902-T-C is described in Lovd as [Likely_benign]. Variant chr8-144511902-T-C is described in Lovd as [Benign].
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.0203 (3089/152362) while in subpopulation NFE AF= 0.0279 (1895/68026). AF 95% confidence interval is 0.0268. There are 51 homozygotes in gnomad4. There are 1483 alleles in male gnomad4 subpopulation. Median coverage is 34. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 51 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RECQL4NM_004260.4 linkuse as main transcriptc.3393+9A>G intron_variant ENST00000617875.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RECQL4ENST00000617875.6 linkuse as main transcriptc.3393+9A>G intron_variant 1 NM_004260.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0203
AC:
3089
AN:
152244
Hom.:
51
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.00593
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0131
Gnomad ASJ
AF:
0.0770
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00517
Gnomad FIN
AF:
0.0380
Gnomad MID
AF:
0.0285
Gnomad NFE
AF:
0.0279
Gnomad OTH
AF:
0.0201
GnomAD3 exomes
AF:
0.0231
AC:
5664
AN:
245642
Hom.:
94
AF XY:
0.0232
AC XY:
3115
AN XY:
134086
show subpopulations
Gnomad AFR exome
AF:
0.00444
Gnomad AMR exome
AF:
0.0128
Gnomad ASJ exome
AF:
0.0761
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00566
Gnomad FIN exome
AF:
0.0377
Gnomad NFE exome
AF:
0.0296
Gnomad OTH exome
AF:
0.0297
GnomAD4 exome
AF:
0.0270
AC:
39370
AN:
1458132
Hom.:
634
Cov.:
36
AF XY:
0.0267
AC XY:
19373
AN XY:
725394
show subpopulations
Gnomad4 AFR exome
AF:
0.00475
Gnomad4 AMR exome
AF:
0.0142
Gnomad4 ASJ exome
AF:
0.0757
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.00477
Gnomad4 FIN exome
AF:
0.0371
Gnomad4 NFE exome
AF:
0.0292
Gnomad4 OTH exome
AF:
0.0295
GnomAD4 genome
AF:
0.0203
AC:
3089
AN:
152362
Hom.:
51
Cov.:
34
AF XY:
0.0199
AC XY:
1483
AN XY:
74512
show subpopulations
Gnomad4 AFR
AF:
0.00592
Gnomad4 AMR
AF:
0.0131
Gnomad4 ASJ
AF:
0.0770
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00517
Gnomad4 FIN
AF:
0.0380
Gnomad4 NFE
AF:
0.0279
Gnomad4 OTH
AF:
0.0198
Alfa
AF:
0.0247
Hom.:
45
Bravo
AF:
0.0193
Asia WGS
AF:
0.00375
AC:
13
AN:
3478
EpiCase
AF:
0.0320
EpiControl
AF:
0.0289

ClinVar

Significance: Benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:2
Benign, no assertion criteria providedclinical testingGenome Diagnostics Laboratory, Amsterdam University Medical Center-- -
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
not provided Benign:1
Likely benign, no assertion criteria providedclinical testingJoint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+-- -
Baller-Gerold syndrome Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeOct 27, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.84
CADD
Benign
0.19
DANN
Benign
0.54

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.35
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.35
Position offset: 0

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: rs4251692; hg19: chr8-145737285; COSMIC: COSV56742465; COSMIC: COSV56742465; API