NM_000166.6(GJB1):c.643C>T (p.Arg215Trp) AND Charcot-Marie-Tooth disease

Germline classification:: Uncertain significance (1 submission)
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

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:: RCV000789850.1

Allele description [Variation Report for NM_000166.6(GJB1):c.643C>T (p.Arg215Trp)]

NM_000166.6(GJB1):c.643C>T (p.Arg215Trp)

Gene:

GJB1:gap junction protein beta 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

Xq13.1

Genomic location:

Preferred name:

NM_000166.6(GJB1):c.643C>T (p.Arg215Trp)

HGVS:

NC_000023.11:g.71224350C>T
NG_008357.1:g.14139C>T
NM_000166.6:c.643C>TMANE SELECT
NM_001097642.3:c.643C>T
NP_000157.1:p.Arg215Trp
NP_001091111.1:p.Arg215Trp
LRG_245t2:c.643C>T
LRG_245:g.14139C>T
LRG_245p2:p.Arg215Trp
NC_000023.10:g.70444200C>T
NM_000166.5:c.643C>T
P08034:p.Arg215Trp

Protein change:

R215W

Links:

UniProtKB: P08034#VAR_002129; dbSNP: rs879254099

Molecular consequence:

NM_000166.6:c.643C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_001097642.3:c.643C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Charcot-Marie-Tooth disease
Synonyms:: Charcot-Marie-Tooth Hereditary Neuropathy; Charcot-Marie-Tooth Neuropathy
Identifiers:: MONDO: MONDO:0015626; MedGen: C0007959; OMIM: PS118220

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000929235	Inherited Neuropathy Consortium	no assertion criteria provided	Uncertain significance	germline	literature only	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000929235

Inherited Neuropathy Consortium

no assertion criteria provided

Uncertain significance

germline

literature only

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	yes	not provided	not provided	not provided	not provided	not provided	literature only

Citations

PubMed

Mutation frequency for Charcot-Marie-Tooth disease type 1 in the Chinese population is similar to that in the global ethnic patients.

Song S, Zhang Y, Chen B, Zhang Y, Wang M, Wang Y, Yan M, Zou J, Huang Y, Zhong N.

Genet Med. 2006 Aug;8(8):532-5.

PubMed [citation]

PMID:: 16912585

Details of each submission

From Inherited Neuropathy Consortium, SCV000929235.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	literature only	PubMed (1)

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

Last Updated: Apr 12, 2026

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