rs34666647

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM5BP4_Strong

The NM_004260.4(RECQL4):​c.3062G>C​(p.Arg1021Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000112 in 1,612,156 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 Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1021Q) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 35)
Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

RECQL4
NM_004260.4 missense

Scores

12

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: -0.313

Publications

17 publications found
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]
RECQL4 Gene-Disease associations (from GenCC):
  • Baller-Gerold syndrome
    Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P
  • Rothmund-Thomson syndrome
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • Rothmund-Thomson syndrome type 2
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Orphanet, G2P
  • osteosarcoma
    Inheritance: AR Classification: STRONG Submitted by: Genomics England PanelApp
  • rapadilino syndrome
    Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Orphanet
  • congenital heart disease
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM5
Other missense variant is known to change same aminoacid residue: Variant chr8-144512319-G-A is described in ClinVar as Pathogenic. ClinVar VariationId is 6073.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP4
Computational evidence support a benign effect (MetaRNN=0.056794792).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004260.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
RECQL4
NM_004260.4
MANE Select
c.3062G>Cp.Arg1021Pro
missense
Exon 18 of 21NP_004251.4O94761
RECQL4
NM_001413019.1
c.3137G>Cp.Arg1046Pro
missense
Exon 17 of 20NP_001399948.1
RECQL4
NM_001413036.1
c.3062G>Cp.Arg1021Pro
missense
Exon 18 of 21NP_001399965.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
RECQL4
ENST00000617875.6
TSL:1 MANE Select
c.3062G>Cp.Arg1021Pro
missense
Exon 18 of 21ENSP00000482313.2O94761
RECQL4
ENST00000621189.4
TSL:1
c.1991G>Cp.Arg664Pro
missense
Exon 17 of 20ENSP00000483145.1A0A087X072
RECQL4
ENST00000971710.1
c.2969G>Cp.Arg990Pro
missense
Exon 18 of 21ENSP00000641769.1

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152264
Hom.:
0
Cov.:
35
show subpopulations
Gnomad AFR
AF:
0.000241
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000405
AC:
1
AN:
246782
AF XY:
0.00000743
show subpopulations
Gnomad AFR exome
AF:
0.0000656
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS 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:
0.00000548
AC:
8
AN:
1459892
Hom.:
0
Cov.:
79
AF XY:
0.00000413
AC XY:
3
AN XY:
726186
show subpopulations
African (AFR)
AF:
0.000209
AC:
7
AN:
33474
American (AMR)
AF:
0.00
AC:
0
AN:
44702
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26128
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39692
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86252
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
51934
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5764
European-Non Finnish (NFE)
AF:
9.00e-7
AC:
1
AN:
1111610
Other (OTH)
AF:
0.00
AC:
0
AN:
60336
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.444
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000657
AC:
10
AN:
152264
Hom.:
0
Cov.:
35
AF XY:
0.0000538
AC XY:
4
AN XY:
74390
show subpopulations
African (AFR)
AF:
0.000241
AC:
10
AN:
41468
American (AMR)
AF:
0.00
AC:
0
AN:
15294
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5194
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4836
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68052
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
1
Bravo
AF:
0.0000567
ExAC
AF:
0.00000831
AC:
1

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Baller-Gerold syndrome (1)
-
1
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.085
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.61
CADD
Benign
0.39
DANN
Benign
0.46
DEOGEN2
Benign
0.0020
T
FATHMM_MKL
Benign
0.079
N
LIST_S2
Benign
0.19
T
M_CAP
Benign
0.0021
T
MetaRNN
Benign
0.057
T
MutationAssessor
Benign
-0.84
N
PhyloP100
-0.31
PrimateAI
Benign
0.31
T
Sift4G
Benign
0.27
T
Polyphen
0.0
B
Vest4
0.14
MVP
0.73
GERP RS
-4.4
PromoterAI
-0.0068
Neutral
Varity_R
0.36
gMVP
0.59
Mutation Taster
=79/21
polymorphism

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

Other links and lift over

dbSNP: rs34666647; hg19: chr8-145737701; API