What is this amino acid, whose indole side chain features, for 10 points, a benzene ring adjacent to a nitrogen-containing pyrrole, synthesized with a namesake operon and abbreviated W?
Regulatory T cells use CTLA-4 to breakdown this compound, and expression of IDO is needed to start the breakdown of it into kynurenine to prevent fetus rejection in mice. The first step of one synthesis of this compound involves the conversion of glutamine to glutamate (with pyruvate as a byproduct), as chorismate is converted to anthranilate. This compound can be converted into a neurotransmitter with the help of a namesake hydroxylase, and then, with the help of pyridoxal 5-phosphate, decarboxylated into serotonin. This compound shares a property with methionine, as the only other nondegenerate amino acid. What is this amino acid, whose indole side chain features, for 10 points, a benzene ring adjacent to a nitrogen-containing pyrrole, synthesized with a namesake operon and abbreviated W?
Regulatory T cells use CTLA-4 to breakdown this compound, and expression of IDO is needed to start the breakdown of it into kynurenine to prevent fetus rejection in mice.
{tryptophan}