NM_001079872.2(CUL4B):c.53A>G (p.Gln18Arg) AND X-linked intellectual disability Cabezas type

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Oct 26, 2019
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:: RCV001232844.6

Allele description [Variation Report for NM_001079872.2(CUL4B):c.53A>G (p.Gln18Arg)]

NM_001079872.2(CUL4B):c.53A>G (p.Gln18Arg)

Genes:

LOC113845788:Sharpr-MPRA regulatory region 11856 [Gene]
CUL4B:cullin 4B [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

Xq24

Genomic location:

Preferred name:

NM_001079872.2(CUL4B):c.53A>G (p.Gln18Arg)

HGVS:

NC_000023.11:g.120560586T>C
NG_009388.1:g.20244A>G
NM_001079872.2:c.53A>GMANE SELECT
NM_001330624.2:c.68A>G
NM_003588.4:c.107A>G
NP_001073341.1:p.Gln18Arg
NP_001317553.1:p.Gln23Arg
NP_003579.3:p.Gln36Arg
NP_003579.3:p.Gln36Arg
NC_000023.10:g.119694441T>C
NM_003588.3:c.107A>G

Protein change:

Q18R

Links:

dbSNP: rs1199433297

NCBI 1000 Genomes Browser:

rs1199433297

Molecular consequence:

NM_001079872.2:c.53A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001330624.2:c.68A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_003588.4:c.107A>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: X-linked intellectual disability Cabezas type (MRXSC)
Synonyms:: CABEZAS SYNDROME; MENTAL RETARDATION, X-LINKED, SYNDROMIC 15; Mental retardation with short stature, hypogonadism and abnormal gait, X-linked; See all synonyms [MedGen]
Identifiers:: Gene: 114890; MONDO: MONDO:0010306; MedGen: C1845861; Orphanet: 85289; Orphanet: 85293; OMIM: 300354

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001405416	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Oct 26, 2019)	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

SCV001405416

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Oct 26, 2019)

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):240-242.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Invitae, SCV001405416.5

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

Description

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. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with CUL4B-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces glutamine with arginine at codon 36 of the CUL4B protein (p.Gln36Arg). The glutamine residue is moderately conserved and there is a small physicochemical difference between glutamine and arginine.

#	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 20, 2024

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