haemoglobin structure and function

1. HemoglobinHemoglobin
Structure & FunctionStructure & Function

2. HaemoglobinHaemoglobin
• It is a globular protein involved in metabolism
• Function :
It picks up oxygen in lungs to form
oxyhaemoglobin .This dissociates in tissues to
give up oxygen and revert to haemoglobin.
Each haemoglobin molecule can pick up four
oxygen molecules.

3. Structure of haemoglobinStructure of haemoglobin
It consists of four polypeptide
chains that are held by
disulphide bridges.
At the centre is an iron
containing group called haem
( prosthetic group(
This is called as a conjugated
protein