dbSNP rs1216955316: HELZ2:p.Arg2536Gln (chr20-63560221-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001037335.2(HELZ2):c.7607G>A(p.Arg2536Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000231 in 1,558,254 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 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. R2536W) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

HELZ2
NM_001037335.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.828

Publications

2 publications found

Variant links:

Genes affected

HELZ2 (HGNC:30021): (helicase with zinc finger 2) The protein encoded by this gene is a nuclear transcriptional co-activator for peroxisome proliferator activated receptor alpha. The encoded protein contains a zinc finger and is a helicase that appears to be part of the peroxisome proliferator activated receptor alpha interacting complex. This gene is a member of the DNA2/NAM7 helicase gene family. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

HELZ2 links:

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ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.04363963).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001037335.2. 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
	HELZ2	NM_001037335.2	MANE Select	c.7607G>A	p.Arg2536Gln	missense	Exon 18 of 20	NP_001032412.2	Q9BYK8
	HELZ2	NM_033405.3		c.5900G>A	p.Arg1967Gln	missense	Exon 12 of 14	NP_208384.3	Q9BYK8-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
HELZ2	ENST00000467148.2	TSL:1 MANE Select	c.7607G>A	p.Arg2536Gln	missense	Exon 18 of 20	ENSP00000417401.1	A0AAA9XBX5
HELZ2	ENST00000850915.1		c.8348G>A	p.Arg2783Gln	missense	Exon 18 of 20	ENSP00000520998.1
HELZ2	ENST00000427522.7		n.6324G>A		non_coding_transcript_exon	Exon 12 of 14

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152156

Hom.:

Cov.:

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:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000295

AC:

AN:

169716

AF XY:

0.0000329

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000784

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000556

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000235

AC:

AN:

1406098

Hom.:

Cov.:

AF XY:

0.0000230

AC XY:

AN XY:

695614

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32308

American (AMR)

AF:

0.0000269

AC:

AN:

37140

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25222

East Asian (EAS)

AF:

0.0000544

AC:

AN:

36752

South Asian (SAS)

AF:

0.00

AC:

AN:

80700

European-Finnish (FIN)

AF:

0.00

AC:

AN:

42334

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5368

European-Non Finnish (NFE)

AF:

0.0000257

AC:

AN:

1087828

Other (OTH)

AF:

0.0000342

AC:

AN:

58446

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.481

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

AF:

0.0000197

AC:

AN:

152156

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74324

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41452

American (AMR)

AF:

0.00

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000193

AC:

AN:

5168

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.0000621

Hom.:

Bravo

AF:

0.0000151

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.061

BayesDel_addAF

Benign

-0.29

BayesDel_noAF

Benign

-0.46

CADD

Benign

0.017

(source)

DANN

Benign

0.81

DEOGEN2

Benign

0.19

Eigen

Benign

-1.4

Eigen_PC

Benign

-1.5

FATHMM_MKL

Benign

0.015

LIST_S2

Benign

0.47

M_CAP

Benign

0.046

MetaRNN

Benign

0.044

MetaSVM

Benign

-0.50

MutationAssessor

Benign

0.055

PhyloP100

-0.83

PrimateAI

Benign

0.23

PROVEAN

Benign

0.090

REVEL

Benign

0.098

Sift

Benign

0.62

Sift4G

Benign

0.60

Polyphen

0.21

Vest4

0.21

MVP

0.26

MPC

0.24

ClinPred

0.027

GERP RS

-1.9

Varity_R

0.013

gMVP

0.18

Mutation Taster

=95/5

polymorphism

(source)

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

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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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over