CHMP2B

Charged multivesicular body protein 2b is a protein that in humans is encoded by the CHMP2B gene.[5][6] It forms part of one of the endosomal sorting complexes required for transport (ESCRT) - specifically ESCRT-III - which are a series of complexes involved in cell membrane remodelling. CHMP2B forms long chains that spiral around the neck of a budding vesicle. Along with the other components of ESCRT-III, CHMP2B constricts the neck of the vesicle just before it is cleaved away from the membrane.

CHMP2B
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesCHMP2B, ALS17, CHMP2.5, DMT1, VPS2-2, VPS2B, charged multivesicular body protein 2B
External IDsOMIM: 609512 MGI: 1916192 HomoloGene: 8534 GeneCards: CHMP2B
Gene location (Human)
Chr.Chromosome 3 (human)[1]
Band3p11.2Start87,227,271 bp[1]
End87,255,556 bp[1]
RNA expression pattern




More reference expression data
Orthologs
SpeciesHumanMouse
Entrez

25978

68942

Ensembl

ENSG00000083937

ENSMUSG00000004843

UniProt

Q9UQN3

Q8BJF9

RefSeq (mRNA)

NM_001244644
NM_014043

NM_026879

RefSeq (protein)

NP_001231573
NP_054762

NP_081155

Location (UCSC)Chr 3: 87.23 – 87.26 MbChr 16: 65.54 – 65.56 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Mutations of this gene cause chromosome 3-linked frontotemporal dementia (FTD3), which has been described in several members of one Danish family . In a study of French families with several forms of frontotemporal dementia, it was found to be a relatively rare cause.[7]

References

  1. GRCh38: Ensembl release 89: ENSG00000083937 - Ensembl, May 2017
  2. GRCm38: Ensembl release 89: ENSMUSG00000004843 - Ensembl, May 2017
  3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. Howard TL, Stauffer DR, Degnin CR, Hollenberg SM (Sep 2001). "CHMP1 functions as a member of a newly defined family of vesicle trafficking proteins". J Cell Sci. 114 (Pt 13): 2395–404. PMID 11559748.
  6. "Entrez Gene: CHMP2B chromatin modifying protein 2B".
  7. Ghanim M, Guillot-Noel L, Pasquier F, Jornea L, Deramecourt V, Dubois B, Le Ber I, Brice A (July 2010). "CHMP2B mutations are rare in French families with frontotemporal lobar degeneration". J Neurol. 257 (12): 2032–6. doi:10.1007/s00415-010-5655-8. PMID 20625756. S2CID 21422763.

Further reading


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