tyrosine

view
  • Name: tyrosine
  • Description: An unspecified stereoisomerism form of glycine (symbol Gly or G; ) which is the amino acid that has a single hydrogen atom as its side chain. It is the simplest possible amino acid. The chemical fo... rmula of glycine is NH2‐CH2‐COOH. Glycine is one of the proteinogenic amino acids. It is encoded by all the codons starting with GG (GGU, GGC, GGA, GGG). Glycine is a colorless, sweet-tasting crystalline solid. It is the only achiral proteinogenic amino acid. It can fit into hydrophilic or hydrophobic environments, due to its minimal side chain of only one hydrogen atom. The acyl radical is glycyl. (CHEBI:18186).
Overview of age-variations
Age group comparisons
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
18384253 Age 24.5 ± 3, Gender ⚥ 0.97 (mean value of the compound area) LC-MS; GC-MS plasma
18384253 Age 40.8 ± 5.6, Gender ⚥ 1.0 (mean value of the compound area) LC-MS; GC-MS plasma
18384253 Age 55.6 ± 3.7, Gender ⚥ 1.06 (mean value of the compound area) LC-MS; GC-MS plasma
30113646 Age 44.6 ± 14, Gender ♀ (Dutch) 51.9 (μmol/L) LC-MS/MS plasma
30113646 Age 44.6 ± 13, Gender ♀ (South-Asian Surinamese) 57.1 (μmol/L) LC-MS/MS plasma
30113646 Age 44.6 ± 14, Gender ♀ (Dutch) 105.9 (% (percentage of metabolite concentration compared with baseline (100%) per 10 year increment in age; analyses were adjusted for BMI)) LC-MS/MS plasma
30113646 Age 44.6 ± 13, Gender ♀ (South-Asian Surinamese) 104.1 (% (percentage of metabolite concentration compared with baseline (100%) per 10 year increment in age; analyses were adjusted for BMI)) LC-MS/MS plasma
27374292 Age [25–35] (median=32), Gender ♂ (Japanese) 0.988592 (average level of metabolite) UHPLC-MS/MS Positive mode serum
27374292 Age [55–64] (median=60), Gender ♂ (Japanese) 1.126958 (average level of metabolite) UHPLC-MS/MS Positive mode serum
Linear regression
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
30841604 Age [25-74], Gender ♀ 0.11 (β) indirect potentiometry serum
30841604 Age [45-80], Gender ♀ 0.05 (β) FIA-ESI-MS/MS serum
log2 ratio/log2(FC)
PMID Age/Age interval, Gender Value (unit of measurement) Method Sample
29090929 Age 42 ± 12, Gender ♀ -0.319 (log2 ratio) NMR blood
29090929 Age 41 ± 12, Gender ♂ -0.124 (log2 ratio) NMR blood
Summary
  • Synonym:
    Tyr
  • Chemical Formula:
    C9H11NO3
  • Exact Mass g/mol:
    181.0740000
  • Systematic name:
    2-amino-3-(4-hydroxyphenyl)propanoic acid
  • SMILES:
    C1=CC(=CC=C1CC(C(=O)O)N)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)
  • InChI Key:
    OUYCCCASQSFEME-UHFFFAOYSA-N
  • CAS number:
    556-03-06
Related resources
Metabolite sources and localization
  • Metabolite location:
    Human organism, Body part, Human body biofluids, Biofluid tissues, Blood, Plasma, Tissue
  • Metabolite source:
    Homo sapiens, endogenous metabolite
Age-variations
Age group comparisons
Method: LC-MS; GC-MS
Sample: plasma
PubMed PMID: 18384253

Age group comparisons
Method: LC-MS/MS
Sample: plasma
PubMed PMID: 30113646

Age group comparisons
Method: LC-MS/MS
Sample: plasma
PubMed PMID: 30113646

Age group comparisons
Method: UHPLC-MS/MS Positive mode
Sample: serum
PubMed PMID: 27374292
Linear regression
Method: indirect potentiometry
Sample: serum
PubMed PMID: 30841604
β = 0.11 (y = βx + α)
p-value < 0.05

Linear regression
Method: FIA-ESI-MS/MS
Sample: serum
PubMed PMID: 30841604
β = 0.05 (y = βx + α)
p-value < 0.05

Fold-change with age
Method: NMR
Sample: blood
PubMed PMID: 29090929