- Source: CPA superfamily
The cation:proton antiporter (CPA) superfamily is a superfamily of transport proteins named after one of its constituent members, the monovalent cation:proton antiporter-2 (CPA2).
CPA1 was considered a member of the superfamily until 2010, when it was discovered to in fact be a member of the VIC superfamily. As of April 2016, the CPA superfamily consists of four members:
Monovalent cation:proton antiporter-2 family
Malonate:Sodium symporter family
Putative sulfate exporter family
Sodium-transporting carboxylic acid decarboxylase family
Structural variation exists between families. For example, members of the CPA2 family are between 300 and 900 amino acyl residues (aas) in length and exhibit 10 to 14 transmembrane segments (TMSs), while members of the MSS family are shorter than 300 aas and exhibit 4 to 7 TMSs.
See also
Transporter Classification Database
Further reading
Chang, Abraham B.; Lin, Ron; Keith Studley, W.; Tran, Can V.; Saier, Milton H. (2004). "Phylogeny as a guide to structure and function of membrane transport proteins". Molecular Membrane Biology. 21 (3): 171–181. doi:10.1080/09687680410001720830. PMID 15204625.
References
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Kata Kunci Pencarian:
- Enzim katalase
- Sitokrom P450
- Fumarat reduktase
- CPA superfamily
- CPA
- Putative sulfate exporter
- Malonate:Sodium symporter
- Sodium-transporting carboxylic acid decarboxylase
- Monovalent cation:proton antiporter-2
- Mantis shrimp
- Ursquilla
- Sortase
- Myzolecaniinae
