Three-Dimensional Structures of Peptaibols

Alamethicin I

Sequence:

Structural Information [X-ray structure, resolution: 1.5 Å, 3 chains: A (brown), B (green), C (lila)]:

PDB file (PDB code: 1AMT) JenaLib atlas page (offers access to PDB, PDBSUM, OCA, MMDB, ... and a variety of visualizations) Bending analysis Methods 2D bending graph [PDF] 3D structure (grey sticks, Calpha: balls) with 3D curvilinear (green balls) and straight axes (red stick) chain A backbone structure still images [screen size (mono | stereo), large (mono | stereo)] RasMol | CHIME [in CHIME the axes can only be displayed as balls] complete structure still images [screen size (mono | stereo), large (mono | stereo)] RasMol | CHIME [in CHIME the axes can only be displayed as balls] chain B backbone structure RasMol | CHIME [in CHIME the axes can only be displayed as balls] complete structure still images [screen size (mono | stereo), large (mono | stereo)] RasMol | CHIME [in CHIME the axes can only be displayed as balls] chain C backbone structure still images [screen size (mono | stereo), large (mono | stereo)] RasMol | CHIME [in CHIME the axes can only be displayed as balls] complete structure still images [screen size (mono | stereo), large (mono | stereo)] RasMol | CHIME [in CHIME the axes can only be displayed as balls] Approximate bending angle: 22-26° (chain A); 17-21 ° (chain B); [read Methods section for a critical assessment of bending angle determination and see a Table with bending angles for all structures] Comparative bending analysis of peptaibols

Reference:

Fox RO, Richards FM.
Nature 1982, 300, 325-330.
A voltage-gated ion channel model inferred from the crystal structure of alamethicin at 1.5 Å resolution.

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