Protein structure — four levels (3D)

About this app

A model protein passes through primary, secondary, tertiary and quaternary structure in smooth transitions: bead chain with sequence, α-helix and β-sheet with hydrogen bonds, folded domain with hydrophobic core and disulfide bridge, tetramer of four chains. Colour by structure, polarity or chain; heating unfolds it into a random coil while the sequence stays. Exhibit-ready.

Subject: Biology & neuroscience

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