6-31531137-T-C

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 0P and 11B. BP4_StrongBP6_ModerateBP7BS2

The NM_004640.7(DDX39B):c.1038A>G(p.Leu346=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000453 in 1,614,192 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0021 ( 1 hom., cov: 32)

Exomes 𝑓: 0.00028 ( 2 hom. )

Consequence

DDX39B
NM_004640.7 synonymous

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -1.23

Variant links:

Genes affected

DDX39B (HGNC:13917): (DExD-box helicase 39B) This gene encodes a member of the DEAD box family of RNA-dependent ATPases that mediate ATP hydrolysis during pre-mRNA splicing. The encoded protein is an essential splicing factor required for association of U2 small nuclear ribonucleoprotein with pre-mRNA, and it also plays an important role in mRNA export from the nucleus to the cytoplasm. This gene belongs to a cluster of genes localized in the vicinity of the genes encoding tumor necrosis factor alpha and tumor necrosis factor beta. These genes are all within the human major histocompatibility complex class III region. Mutations in this gene may be associated with rheumatoid arthritis. Alternative splicing results in multiple transcript variants. Related pseudogenes have been identified on both chromosomes 6 and 11. Read-through transcription also occurs between this gene and the upstream ATP6V1G2 (ATPase, H+ transporting, lysosomal 13kDa, V1 subunit G2) gene. [provided by RefSeq, Feb 2011]

DDX39B links:

ATP6V1G2-DDX39B (HGNC:):

ATP6V1G2-DDX39B links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.48).

BP6

Variant 6-31531137-T-C is Benign according to our data. Variant chr6-31531137-T-C is described in ClinVar as [Benign]. Clinvar id is 722941.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-1.23 with no splicing effect.

BS2

High AC in GnomAd at 323 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
DDX39B	NM_004640.7 linkuse as main transcript	c.1038A>G	p.Leu346=	synonymous_variant	9/11	ENST00000396172.6
ATP6V1G2-DDX39B	NR_037853.1 linkuse as main transcript	n.1841A>G		non_coding_transcript_exon_variant	11/13
DDX39B	NM_080598.6 linkuse as main transcript	c.1038A>G	p.Leu346=	synonymous_variant	9/11
DDX39B	NR_037852.2 linkuse as main transcript	n.1003A>G		non_coding_transcript_exon_variant	7/9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
DDX39B	ENST00000396172.6 linkuse as main transcript	c.1038A>G	p.Leu346=	synonymous_variant	9/11	1	NM_004640.7	P1	Q13838-1

Frequencies

GnomAD3 genomes

AF:

0.00212

AC:

323

AN:

152182

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00659

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00209

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.000118

Gnomad OTH

AF:

0.00382

GnomAD3 exomes

AF:

0.000589

AC:

148

AN:

251386

Hom.:

AF XY:

0.000419

AC XY:

AN XY:

135892

show subpopulations

Gnomad AFR exome

AF:

0.00580

Gnomad AMR exome

AF:

0.00119

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000131

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000703

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000277

AC:

405

AN:

1461892

Hom.:

Cov.:

AF XY:

0.000256

AC XY:

186

AN XY:

727246

show subpopulations

Gnomad4 AFR exome

AF:

0.00654

Gnomad4 AMR exome

AF:

0.00119

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000495

Gnomad4 OTH exome

AF:

0.000960

GnomAD4 genome

AF:

0.00214

AC:

326

AN:

152300

Hom.:

Cov.:

AF XY:

0.00199

AC XY:

148

AN XY:

74478

show subpopulations

Gnomad4 AFR

AF:

0.00662

Gnomad4 AMR

AF:

0.00209

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000415

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000118

Gnomad4 OTH

AF:

0.00378

Alfa

AF:

0.000156

Hom.:

Bravo

AF:

0.00272

Asia WGS

AF:

0.00202

AC:

AN:

3478

EpiCase

AF:

0.000164

EpiControl

AF:

0.000237

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Benign, criteria provided, single submitter

clinical testing

Invitae

Dec 31, 2019

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.48

Cadd

Benign

4.4

Dann

Benign

0.88

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over