Genetic Variant NM_145038.5:c.39C>A (chr2-26402028-C-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_145038.5(DRC1):c.39C>A(p.Asn13Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000151 in 1,460,202 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000015 ( 0 hom. )

Consequence

DRC1
NM_145038.5 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: -0.367

Publications

0 publications found

Variant links:

Genes affected

DRC1 (HGNC:24245): (dynein regulatory complex subunit 1) This gene encodes a central component of the nexin-dynein complex (N-DRC), which regulates the assembly of ciliary dynein. Mutations in this gene can cause ciliary dyskinesia. [provided by RefSeq, Aug 2015]

DRC1 Gene-Disease associations (from GenCC):

primary ciliary dyskinesia 21
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: ClinGen, Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
primary ciliary dyskinesia
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
spermatogenic failure 80
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

DRC1 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 (MetaRNN=0.040125966).

BP6

Variant 2-26402028-C-A is Benign according to our data. Variant chr2-26402028-C-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 851601.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_145038.5. 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
	DRC1	NM_145038.5	MANE Select	c.39C>A	p.Asn13Lys	missense	Exon 1 of 17	NP_659475.2	Q96MC2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DRC1	ENST00000288710.7	TSL:2 MANE Select	c.39C>A	p.Asn13Lys	missense	Exon 1 of 17	ENSP00000288710.2	Q96MC2
DRC1	ENST00000421869.5	TSL:1	n.39C>A		non_coding_transcript_exon	Exon 1 of 8	ENSP00000414375.1	F8WE02
DRC1	ENST00000868388.1		c.39C>A	p.Asn13Lys	missense	Exon 1 of 17	ENSP00000538447.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000122

AC:

AN:

246482

AF XY:

0.0000224

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000270

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000151

AC:

AN:

1460202

Hom.:

Cov.:

AF XY:

0.0000124

AC XY:

AN XY:

726236

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33452

American (AMR)

AF:

0.00

AC:

AN:

44628

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26086

East Asian (EAS)

AF:

0.00

AC:

AN:

39658

South Asian (SAS)

AF:

0.00

AC:

AN:

85914

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52894

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.0000180

AC:

AN:

1111498

Other (OTH)

AF:

0.0000332

AC:

AN:

60310

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.468

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

Cov.:

ExAC

AF:

0.0000165

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000595

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

Inborn genetic diseases (1)

Primary ciliary dyskinesia (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.071

BayesDel_addAF

Benign

-0.39

BayesDel_noAF

Benign

-0.78

CADD

Benign

0.065

(source)

DANN

Benign

0.61

DEOGEN2

Benign

0.0015

Eigen

Benign

-1.4

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.026

LIST_S2

Benign

0.32

M_CAP

Benign

0.0034

MetaRNN

Benign

0.040

MetaSVM

Benign

-0.95

MutationAssessor

Benign

0.83

PhyloP100

-0.37

PrimateAI

Benign

0.38

PROVEAN

Benign

-1.3

REVEL

Benign

0.034

Sift

Benign

0.42

Sift4G

Benign

0.55

Polyphen

0.0010

Vest4

0.061

MutPred

0.15

Gain of ubiquitination at N13 (P = 0.0054)

MVP

0.048

MPC

0.063

ClinPred

0.032

GERP RS

-2.2

PromoterAI

-0.030

Neutral

(source)

Varity_R

0.046

gMVP

0.21

Mutation Taster

=98/2

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

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over