Primary

Name / number / unlabel residues

Colour by amino acids / Colour by elements

Secondary

*, **: These options sacrifice detail to emphasise the coiling of the polypeptide chain
Display options:
Ball and sticks / wireframe / * trace / ** cartoon
Show / hide main chain H bonds

Tertiary

Dots on / off to display molecular surface

Show acidic and basic sidechains / reset colours

Show / hide sidechain H bonds

OK this is a template test