User:Ralf Stephan/Sandbox 2: Difference between revisions
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== Classification == | == Classification == | ||
TCDB, the most sophisticated classification of transport proteins to date, classify ion channels as a heterogenous subset of all '''α-type channels''', whose singular property is to consist mainly of [[alpha helix|α-helices]] that span the membrane. They are distinct in this from the [[beta-barrel porins]], but also from non-ribosomally synthesized channels like [[gramicidin]], [[polyglutamine]] or [[digitoxin]]. | TCDB, the most sophisticated classification of transport proteins to date, classify ion channels as a heterogenous subset of all '''α-type channels''', whose singular property is to consist mainly of [[alpha helix|α-helices]] that span the membrane. They are distinct in this from the [[beta-barrel porins]], but also from non-ribosomally synthesized channels like [[gramicidin]], [[polyglutamine]] or [[digitoxin]]. All these proteins are '''passive''' transport proteins. | ||
== Weblinks == | == Weblinks == | ||
