TYR

TYROSINE

TYR is found in 62 entries.

TYR as free ligands, exist in 62 entries. Examples include 4D56 5IHX 1J1U

Find related ligands: Stereoisomers Similar ligands Chemical Structure Search

View summary at Ligand Expo

Chemical Component Summary
Name	TYROSINE
Identifiers	(2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid
Formula	C9 H11 N O3
Molecular Weight	181.189  g/mol
Type	L-PEPTIDE LINKING
Isomeric SMILES	N[C@@H](Cc1ccc(O)cc1)C(O)=O
InChI	InChI=1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/t8-/m0/s1
InChIKey	OUYCCCASQSFEME-QMMMGPOBSA-N

Chemical Details
Formal Charge	0
Atom Count	24
Chiral Atom Count	1
Chiral Atoms	CA
Bond Count	24
Aromatic Bond Count	6
Leaving Atoms	n/a

Drug Info: DrugBank

DrugBank ID	DB00135   (Stereoisomeric match)
Name	L-Tyrosine
Groups	approved nutraceutical
Description	A non-essential amino acid. In animals it is synthesized from phenylalanine. It is also the precursor of epinephrine; thyroid hormones; and melanin.
Synonyms	(?)-?-amino-p-hydroxyhydrocinnamic acid (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid (S)-(-)-Tyrosine (S)-2-Amino-3-(p-hydroxyphenyl)propionic acid (S)-3-(p-Hydroxyphenyl)alanine (S)-alpha-amino-4-Hydroxybenzenepropanoic acid (S)-Tyrosine (S)-?-amino-4-hydroxybenzenepropanoic acid 4-hydroxy-L-phenylalanine L-Tyrosin Tyr Tyrosine Y more
Brand Names	Aminosyn Aminosyn 10% Aminosyn 10% W Electrolytes Aminosyn 3.5% M Aminosyn 5% Aminosyn 7% Aminosyn 8.5% Aminosyn 8.5% Injection With Electrolytes Aminosyn Sulfite Free Aminosyn-PF Aminosyn-PF 10% Aminosyn-PF 7% Appbutamone Appbutamone-D Appformin Appformin-D Clinimix Clinimix E Clinisol Novamine Plenamine Premasol - Sulfite-free (amino Acid) Primene 10% Primene 10%-liq IV Prosol Renamin (amino Acids) Injection Travasol Travasol Amino Acid Inj 5.5% Travasol Amino Acid Inj 8.5% Travasol E Travasol Inj Without Electrolytes 5.5% Trophamine Vamin 18 Electrolyte-free Vamin N Rxosine more
Affected Organism	Humans and other mammals
Indication	Tyrosine is claimed to act as an effective antidepressant, however results are mixed. Tyrosine has also been claimed to reduce stress and combat narcolepsy and chronic fatigue, however these claims have been refuted by some studies.
Pharmacology	Tyrosine is a nonessential amino acid synthesized in the body from phenylalanine. Tyrosine is critical for the production of the body's proteins, enzymes and muscle tissue. Tyrosine is a precursor to the neurotransmitters norepinephrine and dopamine. It can act as a mood elevator and an anti-depressant. It may improve memory and increase mental alertness. Tyrosine aids in the production of melanin and plays a critical role in the production of thyroxin (thyroid hormones). Tyrosine deficiencies are manifested by hypothyroidism, low blood pressure and low body temperature. Supplemental tyrosine has been used to reduce stress and combat narcolepsy and chronic fatigue.
Mechanism of action	Tyrosine is produced in cells by hydroxylating the essential amino acid phenylalanine. This relationship is much like that between cysteine and methionine. Half of the phenylalanine required goes into the production of tyrosine; if the diet is rich in tyrosine itself, the requirements for phenylalanine are reduced by about 50%. The mechanism of L-tyrosine's antidepressant activity can be accounted for by the precursor role of L-tyrosine in the synthesis of the neurotransmitters norepinephrine and dopamine. Elevated brain norepinephrine and dopamine levels are thought to be associated with antidepressant effects.
Route of administration	Intravenous
Categories	Amino Acids Amino Acids, Aromatic Amino Acids, Cyclic Amino Acids, Peptides, and Proteins Dietary Supplements Supplements more
CAS number	60-18-4