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Key Documents

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I8250

Sigma-Aldrich

3-Iodo-L-tyrosine

Sinónimos:

3-Monoiodo-L-tyrosine

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About This Item

Fórmula lineal:
IC6H3-4-(OH)CH2CH(NH2)CO2H
Número de CAS:
70-78-0
Peso molecular:
307.09
Beilstein/REAXYS Number:
2941266
EC Number:
200-744-8
MDL number:
MFCD00002608
UNSPSC Code:
12352200
eCl@ss:
32160406
PubChem Substance ID:
24278154
NACRES:
NA.32

impurities

~5% tyrosine

mp

210 °C (dec.) (lit.)

solubility

dilute aqueous acid: soluble

storage temp.

−20°C

SMILES string

N[C@@H](Cc1ccc(O)c(I)c1)C(O)=O

InChI

1S/C9H10INO3/c10-6-3-5(1-2-8(6)12)4-7(11)9(13)14/h1-3,7,12H,4,11H2,(H,13,14)/t7-/m0/s1

InChI key

UQTZMGFTRHFAAM-ZETCQYMHSA-N

Gene Information

human ... TH(7054)

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General description

Iodotyrosine coupled with di-iodotyrosine results in the synthesis of 3,5,3′-tri-iodothyronine (T3) or 3,3′,5′-tri-iodothyronine (rT3).

Application

3-Iodo-L-tyrosine has been used as an inhibitor for tyrosine hydroxylase enzyme in Drosophila and silkworm pupae.

Biochem/physiol Actions

3-iodotyrosine (3-IY) inhibits tyrosine hydroxylase that catalyzes levodopa (L-DOPA) formation from tyrosine. Iodotyrosine deiodinase enzyme deficiency leads to elevated levels of 3-IY in serum and urine in severe hypothyroidism and goiter.
TH (tyrosine 3-hydroxylase) is responsible for catalyzing the first step of the noradrenergic biosynthesis pathway. Mutations in TH are associated with tyrosine hydroxylase deficiency, leading to conditions such as infantile parkinsonism and DOPA (dopamine)-responsive dystonia as well as encephalopathy with perinatal onset.
Tyrosine hydroxylase inhibitor.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Jacqueline Studer et al.
Journal of forensic sciences, 59(6), 1650-1653 (2014-07-01)
Catecholamines, especially noradrenalin, are essential in the control of respiration and arousal. Thus, an impaired production of these neurotransmitters may contribute to the occurrence of sudden infant death syndrome (SIDS). The first step of the noradrenergic synthesis pathway is catalyzed
D K Ness et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 30(2), 153-161 (1996-04-01)
Planarians (Dugesia dorotocephala) were evaluated as bioassay organisms to detect inhibition of tyrosine hydroxylase, the rate-limiting enzyme in the synthesis of catecholamines. Thirty planaria per dose were exposed to 0 (control), 0.001, 0.01, 0.1, or 1 mM 3-iodo-L-tyrosine (monoiodotyrosine or
L G Harsing et al.
Neuroscience, 77(2), 419-429 (1997-03-01)
Striatal slices from the rat were preincubated with [3H]GABA and superfused in the presence of nipecotic acid and aminooxyacetic acid, inhibitors of high-affinity GABA transport and GABA aminotransferase, respectively. GABA efflux was estimated by monitoring tritium efflux, 98% of which
A new brain dopamine-deficient Drosophila and its pharmacological and genetic rescue
Cichewicz K, et al.
Genes, Brain, and Behavior, 16(3), 394-403 (2017)
Anionic iodotyrosine residues are required for iodothyronine synthesis
De Vijlder JJ and den Hartog MT
European Journal of Endocrinology, 138(2), 227-231 (1998)
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