rs954787850

Variant names:

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_004082.5(DCTN1):c.2254-10A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,614,040 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

DCTN1
NM_004082.5 intron

Scores

Splicing: ADA: 0.00001424

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -1.68

Publications

0 publications found

Variant links:

Genes affected

DCTN1 (HGNC:2711): (dynactin subunit 1) This gene encodes the largest subunit of dynactin, a macromolecular complex consisting of 10 subunits ranging in size from 22 to 150 kD. Dynactin binds to both microtubules and cytoplasmic dynein. Dynactin is involved in a diverse array of cellular functions, including ER-to-Golgi transport, the centripetal movement of lysosomes and endosomes, spindle formation, chromosome movement, nuclear positioning, and axonogenesis. This subunit interacts with dynein intermediate chain by its domains directly binding to dynein and binds to microtubules via a highly conserved glycine-rich cytoskeleton-associated protein (CAP-Gly) domain in its N-terminus. Alternative splicing of this gene results in multiple transcript variants encoding distinct isoforms. Mutations in this gene cause distal hereditary motor neuronopathy type VIIB (HMN7B) which is also known as distal spinal and bulbar muscular atrophy (dSBMA). [provided by RefSeq, Oct 2008]

DCTN1 Gene-Disease associations (from GenCC):

amyotrophic lateral sclerosis type 1
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp
neuronopathy, distal hereditary motor, type 7B
Inheritance: AD Classification: STRONG, MODERATE Submitted by: Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
Perry syndrome
Inheritance: AD Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics
amyotrophic lateral sclerosis
Inheritance: AD Classification: MODERATE Submitted by: ClinGen
distal hereditary motor neuropathy type 7
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

DCTN1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.85).

BP6

Variant 2-74367117-T-C is Benign according to our data. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr2-74367117-T-C is described in CliVar as Likely_benign. Clinvar id is 468262.Status of the report is criteria_provided_single_submitter, 1 stars.

BS2

High AC in GnomAdExome4 at 9 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DCTN1	NM_004082.5 link	c.2254-10A>G		intron_variant	Intron 19 of 31	ENST00000628224.3	NP_004073.2	Q14203-1Q6MZZ3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DCTN1	ENST00000628224.3 link	c.2254-10A>G		intron_variant	Intron 19 of 31	5	NM_004082.5	ENSP00000487279.2		Q14203-1E7EX90

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152216

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:

0.00

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

GnomAD4 exome

AF:

0.00000616

AC:

AN:

1461824

Hom.:

Cov.:

AF XY:

0.00000550

AC XY:

AN XY:

727218

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53398

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5744

European-Non Finnish (NFE)

AF:

0.00000719

AC:

AN:

1111998

Other (OTH)

AF:

0.0000166

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.464

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:

0.0000131

AC:

AN:

152216

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74380

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41450

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5204

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000330

Hom.:

Bravo

AF:

0.0000151

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Neuronopathy, distal hereditary motor, type 7B;C1862939:Amyotrophic lateral sclerosis type 1;C1868594:Perry syndrome

Benign:1

Feb 03, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.85

CADD

Benign

0.21

(source)

DANN

Benign

0.54

PhyloP100

-1.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000014

dbscSNV1_RF

Benign

0.0

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over