rs775900881
Positions:
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_145038.5(DRC1):āc.1631A>Gā(p.Tyr544Cys) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,460,482 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā ).
Frequency
Genomes: not found (cov: 33)
Exomes š: 6.8e-7 ( 0 hom. )
Consequence
DRC1
NM_145038.5 missense
NM_145038.5 missense
Scores
2
6
11
Clinical Significance
Conservation
PhyloP100: 4.78
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]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
DRC1 | NM_145038.5 | c.1631A>G | p.Tyr544Cys | missense_variant | 13/17 | ENST00000288710.7 | |
DRC1 | XM_047446339.1 | c.611A>G | p.Tyr204Cys | missense_variant | 6/10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
DRC1 | ENST00000288710.7 | c.1631A>G | p.Tyr544Cys | missense_variant | 13/17 | 2 | NM_145038.5 | P1 | |
DRC1 | ENST00000439066.2 | n.361A>G | non_coding_transcript_exon_variant | 4/5 | 3 | ||||
DRC1 | ENST00000649059.1 | c.*594A>G | 3_prime_UTR_variant, NMD_transcript_variant | 12/16 |
Frequencies
GnomAD3 genomes ? Cov.: 33
GnomAD3 genomes
?
Cov.:
33
GnomAD3 exomes AF: 0.00000399 AC: 1AN: 250820Hom.: 0 AF XY: 0.00000738 AC XY: 1AN XY: 135588
GnomAD3 exomes
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GnomAD4 exome AF: 6.85e-7 AC: 1AN: 1460482Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1AN XY: 726578
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GnomAD4 genome ? Cov.: 33
GnomAD4 genome
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Cov.:
33
ExAC
?
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1
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Primary ciliary dyskinesia Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Oct 24, 2016 | This sequence change replaces tyrosine with cysteine at codon 544 of the DRC1 protein (p.Tyr544Cys). The tyrosine residue is moderately conserved and there is a large physicochemical difference between tyrosine and cysteine. This variant is present in population databases (rs775900881, ExAC 0.001%) but has not been reported in the literature in individuals with a DRC1-related disease. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies. In summary, this variant is a rare missense change that is not predicted to affect protein function. There is no indication that it causes disease, but the available evidence is currently insufficient to prove that conclusively. Therefore, it has been classified as a Variant of Uncertain Significance. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Uncertain
DEOGEN2
Benign
T
Eigen
Benign
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
D
M_CAP
Benign
T
MetaRNN
Uncertain
D
MetaSVM
Benign
T
MutationAssessor
Uncertain
M
MutationTaster
Benign
D
PrimateAI
Uncertain
T
PROVEAN
Pathogenic
D
REVEL
Benign
Sift
Benign
T
Sift4G
Benign
T
Polyphen
B
Vest4
MutPred
Gain of methylation at K545 (P = 0.0206);
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
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Calibrated prediction
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at