Backbone  
    Antigenic Peptide,
    Alpha 1,
    Alpha 2,
    Beta 1,
    Beta 2 domain.
    Carbohydrate-Asn
    Disulfide bonds.

Spacefill.

TCR's view.
    Backbone, sidechains.
    Peptide only.

Peptide (section).
Peptide (amphipathic).
    Backbone
    Polar, Charged sidechains
    Hydrophobic sidechains
    TCR's view.

Alpha Helix,
    Beta Strand,
    Turn, Other.