True about cytokines is -
They are a broad and loose category of small proteins (~5-20 kDa) that are impoant in cell signaling. They act on receptors Ref: Ananathanarayanan & Panikers textbook of microbiology 9th edition pg: 152
It is always a polypeptide
It acts on protein targets
It takes pa in intrinsic enzymatic reactions
Chemotactic
Immunology