2-26429742-C-T

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP6_ModerateBS1BS2

The NM_145038.5(DRC1):​c.655C>T​(p.Arg219Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000405 in 1,614,040 control chromosomes in the GnomAD database, including 9 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00022 ( 0 hom., cov: 31)
Exomes 𝑓: 0.00042 ( 9 hom. )

Consequence

DRC1
NM_145038.5 missense

Scores

3
5
11

Clinical Significance

Likely benign criteria provided, single submitter B:2

Conservation

PhyloP100: 2.28
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP6
Variant 2-26429742-C-T is Benign according to our data. Variant chr2-26429742-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 454991.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.000217 (33/152222) while in subpopulation SAS AF= 0.0052 (25/4810). AF 95% confidence interval is 0.00361. There are 0 homozygotes in gnomad4. There are 23 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 9 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
DRC1NM_145038.5 linkuse as main transcriptc.655C>T p.Arg219Cys missense_variant 5/17 ENST00000288710.7 NP_659475.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DRC1ENST00000288710.7 linkuse as main transcriptc.655C>T p.Arg219Cys missense_variant 5/172 NM_145038.5 ENSP00000288710 P1

Frequencies

GnomAD3 genomes
AF:
0.000224
AC:
34
AN:
152104
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00519
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000859
AC:
216
AN:
251456
Hom.:
2
AF XY:
0.00124
AC XY:
168
AN XY:
135910
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00637
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000141
Gnomad OTH exome
AF:
0.000489
GnomAD4 exome
AF:
0.000424
AC:
620
AN:
1461818
Hom.:
9
Cov.:
30
AF XY:
0.000617
AC XY:
449
AN XY:
727220
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00570
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000764
Gnomad4 OTH exome
AF:
0.000530
GnomAD4 genome
AF:
0.000217
AC:
33
AN:
152222
Hom.:
0
Cov.:
31
AF XY:
0.000309
AC XY:
23
AN XY:
74422
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00520
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.0000809
Hom.:
0
Bravo
AF:
0.000110
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.00
AC:
0
ExAC
AF:
0.000923
AC:
112
Asia WGS
AF:
0.00115
AC:
4
AN:
3478
EpiCase
AF:
0.000273
EpiControl
AF:
0.000237

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Primary ciliary dyskinesia Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 15, 2023- -
DRC1-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesJun 20, 2019This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.16
BayesDel_addAF
Benign
-0.30
T
BayesDel_noAF
Benign
-0.20
CADD
Pathogenic
29
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.19
T
Eigen
Uncertain
0.52
Eigen_PC
Uncertain
0.43
FATHMM_MKL
Benign
0.68
D
LIST_S2
Uncertain
0.88
D
M_CAP
Benign
0.037
D
MetaRNN
Benign
0.0094
T
MetaSVM
Benign
-0.95
T
MutationAssessor
Pathogenic
3.2
M
MutationTaster
Benign
1.0
D
PrimateAI
Benign
0.41
T
PROVEAN
Pathogenic
-5.3
D
REVEL
Benign
0.23
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0080
D
Polyphen
1.0
D
Vest4
0.52
MVP
0.31
MPC
0.35
ClinPred
0.18
T
GERP RS
5.3
Varity_R
0.46
gMVP
0.49

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.27
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.27
Position offset: -25

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.

Other links and lift over

dbSNP: rs577516330; hg19: chr2-26652610; COSMIC: COSV99985375; COSMIC: COSV99985375; API