Focus on proteins

Genes may get the most attention, but it is proteins - the products of most genes - that build and control cells.

Features


	Structurally sound: deciphering protein structures How different types of genetic study help link genes to human disease. 31/08/07

	Surface talk: Cells' communication systems When two cells meet, they talk to each other through the proteins that stud their surfaces. 16/12/04

	Protein interaction mapping The function of a newly discovered protein can often be established by identifying its interaction partners, if their functions are already known. 08/01/03

	Proteomics and toxicology Large-scale protein analysis can identify proteins whose expression is altered by the administration of drugs. 08/01/03

The muscle protein titin contains 34 350 amino acids and is the largest known human protein.

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