dbSNP rs146556466: DCAF17:c.127-15C>A (chr2-171435068-C-A) – ACMG Classification: Benign (-20 pts)

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_025000.4(DCAF17):c.127-15C>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000887 in 1,564,188 control chromosomes in the GnomAD database, including 16 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0021 ( 7 hom., cov: 33)

Exomes 𝑓: 0.00076 ( 9 hom. )

Consequence

DCAF17
NM_025000.4 intron

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 0.466

Publications

2 publications found

Variant links:

Genes affected

DCAF17 (HGNC:25784): (DDB1 and CUL4 associated factor 17) This gene encodes a nuclear transmembrane protein that associates with cullin 4A/damaged DNA binding protein 1 ubiquitin ligase complex. Mutations in this gene are associated with Woodhouse-Sakati syndrome. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Sep 2009]

DCAF17 Gene-Disease associations (from GenCC):

Woodhouse-Sakati syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P, Genomics England PanelApp, Orphanet

DCAF17 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.79).

BP6

Variant 2-171435068-C-A is Benign according to our data. Variant chr2-171435068-C-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 332260.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.00206 (313/152254) while in subpopulation AMR AF = 0.0152 (233/15290). AF 95% confidence interval is 0.0136. There are 7 homozygotes in GnomAd4. There are 173 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 7 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_025000.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
DCAF17	NM_025000.4	MANE Select	c.127-15C>A	intron	N/A	NP_079276.2	Q5H9S7-1
DCAF17	NM_001164821.2		c.127-15C>A	intron	N/A	NP_001158293.1	F5H7W1
DCAF17	NR_028482.2		n.479-15C>A	intron	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
DCAF17	ENST00000375255.8	TSL:1 MANE Select	c.127-15C>A	intron	N/A	ENSP00000364404.3	Q5H9S7-1
DCAF17	ENST00000966668.1		c.127-15C>A	intron	N/A	ENSP00000636727.1
DCAF17	ENST00000907633.1		c.118-15C>A	intron	N/A	ENSP00000577692.1

Frequencies

GnomAD3 genomes

AF:

0.00203

AC:

309

AN:

152136

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000555

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0150

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00865

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000147

Gnomad OTH

AF:

0.000957

GnomAD2 exomes

AF:

0.00255

AC:

634

AN:

248924

AF XY:

0.00207

show subpopulations

Gnomad AFR exome

AF:

0.000583

Gnomad AMR exome

AF:

0.0134

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00809

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00265

GnomAD4 exome

AF:

0.000761

AC:

1075

AN:

1411934

Hom.:

Cov.:

AF XY:

0.000736

AC XY:

519

AN XY:

705538

show subpopulations

African (AFR)

AF:

0.000311

AC:

AN:

32150

American (AMR)

AF:

0.0143

AC:

639

AN:

44590

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25832

East Asian (EAS)

AF:

0.00943

AC:

372

AN:

39432

South Asian (SAS)

AF:

0.0000235

AC:

AN:

85116

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53388

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5400

European-Non Finnish (NFE)

AF:

0.00000937

AC:

AN:

1067396

Other (OTH)

AF:

0.000716

AC:

AN:

58630

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.463

Heterozygous variant carriers

144

192

240

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<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:

0.00206

AC:

313

AN:

152254

Hom.:

Cov.:

AF XY:

0.00232

AC XY:

173

AN XY:

74454

show subpopulations

African (AFR)

AF:

0.000554

AC:

AN:

41542

American (AMR)

AF:

0.0152

AC:

233

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00867

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.000147

AC:

AN:

68016

Other (OTH)

AF:

0.000947

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.000169

Hom.:

Bravo

AF:

0.00261

Asia WGS

AF:

0.00520

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (3)

Woodhouse-Sakati syndrome (3)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.79

CADD

Benign

7.7

(source)

DANN

Benign

0.54

PhyloP100

0.47

PromoterAI

-0.027

Neutral

(source)

Mutation Taster

=100/0

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