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After translation

Translation produces a chain of amino acids often referred to as a polypeptide. This polypeptide usually needs to be modified before becoming a functional protein.

The polypeptides may combine with others or split into smaller fragments before becoming functional proteins.

Some polypeptides have other molecules added to them, or they may be folded into different shapes.

The functions of proteins are strongly correlated to their shape, so these modifications are vital in the production of enzymes.

The structure of haemoglobin is strongly related to its function. Haemoglobin is formed from four polypeptides and four non-amino acid molecules.
The structure of haemoglobin is strongly related to its function. Haemoglobin is formed from four polypeptides and four non-amino acid molecules.