Genetic Variant DENND4B:c.3624-6C>T (chr1-153932783-G-A) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBP6

The NM_014856.3(DENND4B):c.3624-6C>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000351 in 1,613,924 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.0018 ( 1 hom., cov: 32)

Exomes 𝑓: 0.00020 ( 0 hom. )

Consequence

DENND4B
NM_014856.3 splice_region, intron

Scores

Splicing: ADA: 0.00004559

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 0.445

Publications

0 publications found

Variant links:

Genes affected

DENND4B (HGNC:29044): (DENN domain containing 4B) Enables guanyl-nucleotide exchange factor activity. Involved in regulation of Rab protein signal transduction. Located in Golgi apparatus and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

DENND4B Gene-Disease associations (from GenCC):

isolated cleft palate
Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

DENND4B links:

ENSG00000284738 (HGNC:):

ENSG00000284738 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.83).

BP6

Variant 1-153932783-G-A is Benign according to our data. Variant chr1-153932783-G-A is described in ClinVar as Likely_benign. ClinVar VariationId is 3048236.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014856.3. 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
	DENND4B	NM_014856.3	MANE Select	c.3624-6C>T		splice_region intron	N/A	NP_055671.2
	DENND4B	NM_001367466.1		c.3657-6C>T		splice_region intron	N/A	NP_001354395.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
DENND4B	ENST00000361217.9	TSL:1 MANE Select	c.3624-6C>T	splice_region intron	N/A	ENSP00000354597.4	O75064
DENND4B	ENST00000877431.1		c.3627-6C>T	splice_region intron	N/A	ENSP00000547490.1
DENND4B	ENST00000912808.1		c.3627-6C>T	splice_region intron	N/A	ENSP00000582867.1

Frequencies

GnomAD3 genomes

AF:

0.00183

AC:

279

AN:

152240

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00644

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.000463

AC:

115

AN:

248616

AF XY:

0.000348

show subpopulations

Gnomad AFR exome

AF:

0.00686

Gnomad AMR exome

AF:

0.000174

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000178

Gnomad OTH exome

AF:

0.000166

GnomAD4 exome

AF:

0.000196

AC:

287

AN:

1461566

Hom.:

Cov.:

AF XY:

0.000180

AC XY:

131

AN XY:

727044

show subpopulations

African (AFR)

AF:

0.00735

AC:

246

AN:

33480

American (AMR)

AF:

0.000224

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86248

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53386

Middle Eastern (MID)

AF:

0.000693

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1111788

Other (OTH)

AF:

0.000381

AC:

AN:

60356

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

Heterozygous variant carriers

100

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:

0.00184

AC:

280

AN:

152358

Hom.:

Cov.:

AF XY:

0.00197

AC XY:

147

AN XY:

74500

show subpopulations

African (AFR)

AF:

0.00647

AC:

269

AN:

41578

American (AMR)

AF:

0.000653

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10632

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68036

Other (OTH)

AF:

0.000473

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.490

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:

0.00103

Hom.:

Bravo

AF:

0.00205

Asia WGS

AF:

0.000866

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Likely benign

Revision:no assertion criteria provided

View on ClinVar

Pathogenic

VUS

Benign

Condition

DENND4B-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.83

CADD

Benign

3.6

(source)

DANN

Benign

0.49

PhyloP100

0.45

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Mutation Taster

=98/2

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000046

dbscSNV1_RF

Benign

0.0

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

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