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Levels of protein structure shown by the haemoglobin 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.
Click on the interactive links in the text below.

PRIMARY STRUCTURE

Initial view shows one of the α chains as a smooth trace, coloured by residues (see above)

Name α chain residues on a trace

Number α chain residues on a trace

Unlabel residues

SECONDARY STRUCTURE

Ribbon display α chain

Cartoon format α chain

Show / hide α chain molecular detail

Show / hide α chain hydrogen bonds

This molecule can be moved by holding down the left mouse button and dragging. The right button gives many options.
Start .. stop rotation
Click on the interactive links in the text below.
right hand side
QUATERNARY STRUCTURE

Show all 4 chains as ribbons, traces , all 4 haems

FUNCTION: OXYGEN STORAGE WITHIN RED BLOOD CELLS

Show oxygens (spacefill) - only on the 2 alpha chains

DISPLAY

Start /stop rotation






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

Web references

Liddington, R., Derewenda, Z., Dodson, E., Hubbard, R., Dodson, G. High resolution crystal structures and comparisons of T-state deoxyhaemoglobin and two liganded T-state haemoglobins: T(alpha-oxy)haemoglobin and T(met)haemoglobin. J.Mol.Biol. v228 pp.551-579 , 1992 [ PDB Abstract ]



Possibly relevant
material available online
(from Amazon.com)

Possibly relevant
material available online
(from Amazon.co.uk)