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  • Artikel: DFG Deutsche Nationallizenzen  (3)
  • Alamethicin pore  (2)
  • Channel activation  (1)
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  • Artikel: DFG Deutsche Nationallizenzen  (3)
Materialart
Erscheinungszeitraum
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  • 1
    Digitale Medien
    Digitale Medien
    The lowest conductance state of the alamethicin pore
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 596 (1980), S. 456-462 
    Details
    ISSN: 0005-2736
    Schlagwort(e): (Bilayer) ; Alamethicin pore ; Conductance state ; Ion selectivity
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Biologie , Chemie und Pharmazie , Medizin , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0005-2736(80)90134-0
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 2
    Digitale Medien
    Digitale Medien
    The gating of single calcium-dependent potassium channels is described by an activation/blockade mechanism (1982)
    Springer
    European biophysics journal 9 (1982), S. 35-60 
    Details
    ISSN: 1432-1017
    Schlagwort(e): Single channel currents ; Channel activation ; Channel blockade ; Potassium channel ; Calcium dependent channel
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Physik
    Notizen: Abstract Single calcium dependent potassium channels from cultured rat myoballs have been studied with the patch clamp technique, and current records subjected to statistical analysis. From the dependence of the mean open state probability on the internal calcium concentration, two calcium ions are required to open the channel. The open state and closed state lifetime distributions reveal that the usual activation model is not applicable to these channels. They are consistent with a two step gating mechanism that involves both activation by calcium and blockade by a calcium-sensitive gate.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00536014
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 3
    Digitale Medien
    Digitale Medien
    Alamethicin pore formation: Voltage-dependent flip-flop of α-helix dipoles (1983)
    Springer
    European biophysics journal 9 (1983), S. 181-191 
    Details
    ISSN: 1432-1017
    Schlagwort(e): Alamethicin pore ; Voltage-dependent conductance ; α-helical structure ; Dipole moment ; Lipid bilayers
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Physik
    Notizen: Abstract The voltage-dependency of alamethicin pore formation is explained by a flip-flop gating mechanism of single alamethicin molecules. The energetically preferred aggregate structure is changed from antiparallel to parallel molecule orientation by membrane voltage application. The electrical field is sensed by the permanent dipole of the α-helical molecule part which spans the hydrophobic membrane core. Ion conducting pore and pore states result from electrostatic repulsion of a varying number of parallel dipoles which arrange circularly. This model is consistent with published data and with two additional experimental facts, that pore state distributions are ionic strength dependent and pore state conductances depend on ionic current direction.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00537815
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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