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Tryptophan in Biological Definition

Selective serotonin reuptake inhibitor

... more general drugs. Serotonin is made from tryptophan , an amino acid . If depression is caused by ... will not work well, whereas supplementing with tryptophan will. In 1989, the FDA made tryptophan available by prescription only, in response to ...

Amino acid

... , leucine , isoleucine , methionine , phenylalanine , threonine , tryptophan , valine , and (in children) histidine and arginine . General ... hydrophobic 117.15 6.00 2.39 9.74 W Trp tryptophan hydrophobic 204.23 5.89 2.46 9.41 Y Tyr ...

Genetic code

... Cysteine UGC (Cys/C) Cysteine UGA Opal ( Stop ) UGG (Trp/W) tryptophan C CUU (Leu/L) Leucine CUC (Leu/L) Leucine CUA ... codon AUG, which also specifies the start of transcription; the other is tryptophan , specified by the codon UGG. Phase or reading frame of a sequence ...

Genetic code

... Cysteine UGC (Cys/C) Cysteine UGA Opal ( Stop ) UGG (Trp/W) tryptophan C CUU (Leu/L) Leucine CUC (Leu/L) Leucine CUA ... codon AUG, which also specifies the start of transcription; the other is tryptophan , specified by the codon UGG. Phase or reading frame of a sequence ...

Hormone

... Structure Vertebrate hormones fall into four chemical classes: Amine-derived hormones are derivatives of the amino acids tyrosine and tryptophan . Examples are catecholamines and thyroxine . Peptide hormones consist of chains of amino acids. Examples of small peptide hormones are TRH ...

Mitochondrion

... and contains a variety of enzymes involved in such diverse activities such as the oxidation of epinephrine (adrenaline), the degradation of tryptophan , and the elongation of fatty acids . The inner mitochondrial membrane, in contrast, contains more than 100 different polypeptides , and has a ...

Mitochondrion

... and contains a variety of enzymes involved in such diverse activities such as the oxidation of epinephrine (adrenaline), the degradation of tryptophan , and the elongation of fatty acids . The inner mitochondrial membrane, in contrast, contains more than 100 different polypeptides , and has a ...

Neurotransmitter

... from phenylalanine and tyrosine : dopamine ( da ) norepinephrine ( ne /noradrenaline) epinephrine ( epi /adrenaline) from tryptophan : serotonin ( 5ht /5-hydroxytryptamine) from histidine : histamine ( ? ) Polypeptides ( neuropeptides ): Bombesin/GRP: ...

Protein

... In terms of human nutritional needs, proteins come in two forms: complete proteins contain all eight of the amino acids ( threonine , valine , tryptophan , isoleucine , leucine , lysine , phenylalanine , and methionine ) that humans cannot produce themselves, while incomplete proteins lack or ...
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