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Summary: The structure of molecular & cellularThe structure of molecular & cellular
networksnetworksnetworksnetworks
To be able to construct and analyze a cellular network, we need to
clearly define what we identify as a node and what we represent
with an edge.
The nodes and edges have to be at least similar to each other,
e g represent the same type of cellular component (proteine.g. represent the same type of cellular component (protein,
chemical) or the same type of interaction (mass transfer,
regulation).
We can, and often need to, define different types of nodes and
edges.
Life at the cellular level
ˇ Cellular functions rely on the
coordinated action of interactingcoordinated action of interacting
components.
ˇ ProteinsProteins
provide structure to cells and tissues
work as molecular motors
sense chemicals in the environmentsense chemicals in the environment
drive chemical reactions
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