NM_001211.6(BUB1B):c.2933G>A (p.Trp978Ter) AND Mosaic variegated aneuploidy syndrome 1

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Dec 17, 2024
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV000641233.9

Allele description [Variation Report for NM_001211.6(BUB1B):c.2933G>A (p.Trp978Ter)]

NM_001211.6(BUB1B):c.2933G>A (p.Trp978Ter)

Genes:

BUB1B:BUB1 mitotic checkpoint serine/threonine kinase B [Gene - OMIM - HGNC]
BUB1B-PAK6:BUB1B-PAK6 readthrough [Gene - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

15q15.1

Genomic location:

Preferred name:

NM_001211.6(BUB1B):c.2933G>A (p.Trp978Ter)

HGVS:

NC_000015.10:g.40218538G>A
NG_016338.1:g.62530G>A
NG_033169.1:g.6111G>A
NM_001128628.3:c.-201+871G>A
NM_001128629.3:c.-118+871G>A
NM_001211.6:c.2933G>AMANE SELECT
NP_001202.4:p.Trp978Ter
NP_001202.5:p.Trp978Ter
LRG_489t1:c.2933G>A
LRG_489:g.62530G>A
LRG_489p1:p.Trp978Ter
NC_000015.9:g.40510739G>A
NM_001211.5:c.2933G>A

Protein change:

W978*

Links:

dbSNP: rs1191638586

NCBI 1000 Genomes Browser:

rs1191638586

Molecular consequence:

NM_001128628.3:c.-201+871G>A - intron variant - [Sequence Ontology: SO:0001627]
NM_001128629.3:c.-118+871G>A - intron variant - [Sequence Ontology: SO:0001627]
NM_001211.6:c.2933G>A - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:: Mosaic variegated aneuploidy syndrome 1 (MVA1)
Synonyms:: Warburton-Anyane-Yeboa syndrome
Identifiers:: MONDO: MONDO:0009759; MedGen: C1850343; Orphanet: 1052; OMIM: 257300

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000762872	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Dec 17, 2024)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000762872

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Dec 17, 2024)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group, Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9..

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000762872.8

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

This sequence change creates a premature translational stop signal (p.Trp978*) in the BUB1B gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 73 amino acid(s) of the BUB1B protein. This variant is present in population databases (no rsID available, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with BUB1B-related conditions. ClinVar contains an entry for this variant (Variation ID: 533908). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Feb 25, 2025

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