1-207761321-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_172351.3(CD46):​c.548A>G​(p.Tyr183Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Consequence

CD46
NM_172351.3 missense

Scores

7
9
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.12
Variant links:
Genes affected
CD46 (HGNC:6953): (CD46 molecule) The protein encoded by this gene is a type I membrane protein and is a regulatory part of the complement system. The encoded protein has cofactor activity for inactivation of complement components C3b and C4b by serum factor I, which protects the host cell from damage by complement. In addition, the encoded protein can act as a receptor for the Edmonston strain of measles virus, human herpesvirus-6, and type IV pili of pathogenic Neisseria. Finally, the protein encoded by this gene may be involved in the fusion of the spermatozoa with the oocyte during fertilization. Mutations at this locus have been associated with susceptibility to hemolytic uremic syndrome. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jun 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.913

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CD46NM_172351.3 linkuse as main transcriptc.548A>G p.Tyr183Cys missense_variant 5/13 ENST00000367042.6 NP_758861.1 P15529-11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CD46ENST00000367042.6 linkuse as main transcriptc.548A>G p.Tyr183Cys missense_variant 5/131 NM_172351.3 ENSP00000356009.1 P15529-11

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
Cov.:
30
GnomAD4 genome
Cov.:
33

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Atypical hemolytic-uremic syndrome with MCP/CD46 anomaly Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingMVZ Medizinische Genetik MainzMar 03, 2023ACMG Criteria: PM1, PM2_SUP -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.95
BayesDel_addAF
Pathogenic
0.22
D
BayesDel_noAF
Uncertain
0.080
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.68
D;.;.;.;.;.;.;.;.;.
Eigen
Uncertain
0.40
Eigen_PC
Benign
0.15
FATHMM_MKL
Benign
0.56
D
LIST_S2
Uncertain
0.94
D;D;D;D;D;D;D;D;D;D
M_CAP
Uncertain
0.19
D
MetaRNN
Pathogenic
0.91
D;D;D;D;D;D;D;D;D;D
MetaSVM
Uncertain
-0.070
T
MutationAssessor
Pathogenic
4.8
H;H;H;H;H;H;H;.;H;H
MutationTaster
Benign
1.0
N;N;N;N;N;N;N;N;N;N;N;N
PrimateAI
Uncertain
0.65
T
PROVEAN
Pathogenic
-8.9
D;D;D;D;D;D;D;D;D;D
REVEL
Uncertain
0.41
Sift
Pathogenic
0.0
D;D;D;D;D;D;D;D;D;D
Sift4G
Pathogenic
0.0
D;D;D;D;D;D;D;D;D;D
Polyphen
1.0
D;D;D;D;D;D;D;.;D;D
Vest4
0.76
MutPred
0.70
Loss of phosphorylation at Y183 (P = 0.0155);Loss of phosphorylation at Y183 (P = 0.0155);Loss of phosphorylation at Y183 (P = 0.0155);Loss of phosphorylation at Y183 (P = 0.0155);Loss of phosphorylation at Y183 (P = 0.0155);Loss of phosphorylation at Y183 (P = 0.0155);Loss of phosphorylation at Y183 (P = 0.0155);.;Loss of phosphorylation at Y183 (P = 0.0155);Loss of phosphorylation at Y183 (P = 0.0155);
MVP
0.91
MPC
0.73
ClinPred
0.93
D
GERP RS
4.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.89
gMVP
0.93

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr1-207934666; API