Genetic Variant RECQL5:p.Ala907Ser (chr17-75628304-C-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_004259.7(RECQL5):c.2719G>T(p.Ala907Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000185 in 1,461,846 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 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. A907T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

RECQL5
NM_004259.7 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.551

Publications

0 publications found

Variant links:

Genes affected

RECQL5 (HGNC:9950): (RecQ like helicase 5) The protein encoded by this gene is a helicase that is important for genome stability. The encoded protein also prevents aberrant homologous recombination by displacing RAD51 from ssDNA. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2011]

RECQL5 links:

SMIM5 (HGNC:40030): (small integral membrane protein 5) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

SMIM5 links:

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ACMG classification

Classification was made for transcript

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

BP4

Computational evidence support a benign effect (MetaRNN=0.09328261).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004259.7. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RECQL5	NM_004259.7	MANE Select	c.2719G>T	p.Ala907Ser	missense	Exon 18 of 20	NP_004250.4

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
RECQL5	ENST00000317905.10	TSL:1 MANE Select	c.2719G>T	p.Ala907Ser	missense	Exon 18 of 20	ENSP00000317636.5	O94762-1
RECQL5	ENST00000423245.6	TSL:1	c.2638G>T	p.Ala880Ser	missense	Exon 18 of 20	ENSP00000394820.2	O94762-4
RECQL5	ENST00000443199.6	TSL:1	n.2255G>T		non_coding_transcript_exon	Exon 11 of 13

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000361

AC:

AN:

249500

AF XY:

0.0000443

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000185

AC:

AN:

1461846

Hom.:

Cov.:

AF XY:

0.0000289

AC XY:

AN XY:

727228

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.000313

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53376

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112010

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.456

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

Alfa

AF:

0.00

Hom.:

ExAC

AF:

0.0000330

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.079

BayesDel_addAF

Benign

-0.36

BayesDel_noAF

Benign

-0.46

CADD

Benign

(source)

DANN

Benign

0.82

DEOGEN2

Benign

0.12

Eigen

Benign

-0.58

Eigen_PC

Benign

-0.65

FATHMM_MKL

Benign

0.30

LIST_S2

Benign

0.59

M_CAP

Benign

0.016

MetaRNN

Benign

0.093

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.2

PhyloP100

0.55

PrimateAI

Benign

0.25

PROVEAN

Benign

0.35

REVEL

Benign

0.049

Sift

Benign

0.21

Sift4G

Benign

0.80

Polyphen

0.74

Vest4

0.29

MutPred

0.21

Gain of disorder (P = 0.0323)

MVP

0.59

MPC

0.12

ClinPred

0.066

GERP RS

2.3

Varity_R

0.055

gMVP

0.078

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over