Structure and Function of Haemoglobin, The

Synopsis: A computer-generated 3-D anaglyph film. By means of computer-drawn stereo pairs which, when viewed through the red/green spectacles, appear as 3-D ball-and-stick models of the molecule, the current mechanism by which haemoglobin binds and releases oxygen is explained. By working outwards from one iron atom in its haem group, and building the molecule stage by stage, the roles of several of the individual amino-acid residues are illustrated. The two types of sub-unit, and the two forms of sub-unit contact, are examined and the change in conformation on going from the oxy- to the deoxy- structure is shown in some detail. The co-operativity exhibited by the sub-units within the whole molecule is illustrated by the formation and breaking of salt bridges.
Language: English
Country: Great Britain
Medium: Film; Film. 16mm. sd. col. with 3-D (red/green) spectacles 25 min.
Technical information: Black-and-white / Sound
Year of production: 1980
Availability: Hire
Notes: Viewing requires 3-D (red/green) spectacles, supplied with film.
Uses: Advanced work in biochemistry. A good background in protein structure and molecular biology of haemoglobin required.*
Subjects: Biology
Keywords: haemoglobin; physiology - animal; physiology - human

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