11-75283346-G-A
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Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2
The NM_004041.5(ARRB1):c.295C>T(p.Arg99Trp) variant causes a missense change. The variant allele was found at a frequency of 0.000013 in 1,613,932 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000046 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000096 ( 0 hom. )
Consequence
ARRB1
NM_004041.5 missense
NM_004041.5 missense
Scores
5
8
6
Clinical Significance
Conservation
PhyloP100: 4.51
Genes affected
ARRB1 (HGNC:711): (arrestin beta 1) Members of arrestin/beta-arrestin protein family are thought to participate in agonist-mediated desensitization of G-protein-coupled receptors and cause specific dampening of cellular responses to stimuli such as hormones, neurotransmitters, or sensory signals. Arrestin beta 1 is a cytosolic protein and acts as a cofactor in the beta-adrenergic receptor kinase (BARK) mediated desensitization of beta-adrenergic receptors. Besides the central nervous system, it is expressed at high levels in peripheral blood leukocytes, and thus the BARK/beta-arrestin system is believed to play a major role in regulating receptor-mediated immune functions. Alternatively spliced transcripts encoding different isoforms of arrestin beta 1 have been described. [provided by RefSeq, Jan 2011]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -4 ACMG points.
BS2
High AC in GnomAd4 at 7 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
ARRB1 | NM_004041.5 | c.295C>T | p.Arg99Trp | missense_variant | 5/16 | ENST00000420843.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
ARRB1 | ENST00000420843.7 | c.295C>T | p.Arg99Trp | missense_variant | 5/16 | 1 | NM_004041.5 | P1 |
Frequencies
GnomAD3 genomes AF: 0.0000460 AC: 7AN: 152232Hom.: 0 Cov.: 33
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GnomAD3 exomes AF: 0.0000199 AC: 5AN: 251180Hom.: 0 AF XY: 0.0000147 AC XY: 2AN XY: 135748
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GnomAD4 exome AF: 0.00000958 AC: 14AN: 1461700Hom.: 0 Cov.: 31 AF XY: 0.00000825 AC XY: 6AN XY: 727148
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GnomAD4 genome AF: 0.0000460 AC: 7AN: 152232Hom.: 0 Cov.: 33 AF XY: 0.0000403 AC XY: 3AN XY: 74378
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Feb 11, 2022 | The c.295C>T (p.R99W) alteration is located in exon 5 (coding exon 5) of the ARRB1 gene. This alteration results from a C to T substitution at nucleotide position 295, causing the arginine (R) at amino acid position 99 to be replaced by a tryptophan (W). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Pathogenic
DANN
Pathogenic
DEOGEN2
Uncertain
D;.;T
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Uncertain
D
LIST_S2
Pathogenic
D;D;D
M_CAP
Benign
D
MetaRNN
Uncertain
D;D;D
MetaSVM
Benign
T
MutationAssessor
Pathogenic
M;M;.
MutationTaster
Benign
D;D;D
PrimateAI
Uncertain
T
PROVEAN
Pathogenic
D;D;D
REVEL
Benign
Sift
Uncertain
D;D;D
Sift4G
Uncertain
D;D;.
Polyphen
D;D;.
Vest4
MVP
MPC
ClinPred
D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
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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