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Levels of protein structure shown by the Insulin molecule

Amino acid colour codes: ASP, GLU, CYS, MET, LYS, ARG, SER, THR, PHE, TYR, ASN, GLN, GLY, LEU, VAL, ILE, ALA, TRP, HIS and PRO.
PRIMARY STRUCTURE

Show 2 chains, coloured by residues

Show A chain + name residues

Show B chain + name residues

SECONDARY STRUCTURE

Display A,B chains as ribbons

Cartoon format showing a helices red, sheets gold

Show H bonds

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TERTIARY STRUCTURE

Highlight cysteines (ball & stick)

Show disulphide bridges (yellow)

QUATERNARY STRUCTURE

Show hexameric form

This graphics display was prepared to support a unit on the levels of protein structure using insulin as an example.
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