Tuftsin (named after Tufts University) has important functions in the human immune system. It binds to stereospecific receptors at the surface of macrophages and leukocytes, stimulating their bactericidal and tumoricidal activity. All stereocenters in this molecule have S-configurations. How many stereoisomers of tuftsin exist, which do not have the correct stereochemistry for receptor-binding?
Definitions:
Selective Attention
The cognitive process of focusing on a particular object or task while ignoring other irrelevant information.
Hypnotic Pain Relief
A therapeutic technique involving hypnosis to manage and reduce pain perception in individuals without the use of pharmaceutical drugs.
Sensory Input
The information that is perceived through the senses, such as sight, sound, touch, taste, and smell, before being processed by the brain.
Circadian Rhythm
The alterations in physical, mental, and behavioral states that adhere to a 24-hour rhythm, mainly influenced by the presence of light and darkness in the surrounding environment of an organism.
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