T3754
L-Tyrosine
≥98% (HPLC)
Synonym(s):
(S)-2-Amino-3-(4-hydroxyphenyl)propionic acid, 3-(4-Hydroxyphenyl)-L-alanine
About This Item
Recommended Products
product name
L-Tyrosine, reagent grade, ≥98% (HPLC)
grade
reagent grade
Quality Level
assay
≥98% (HPLC)
form
powder
color
white to off-white
mp
>300 °C (dec.) (lit.)
solubility
1 M HCl: soluble 50 mg/mL
application(s)
detection
SMILES string
N[C@@H](Cc1ccc(O)cc1)C(O)=O
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
InChI key
OUYCCCASQSFEME-QMMMGPOBSA-N
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Application
Biochem/physiol Actions
Other Notes
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Articles
Proteinase K (EC 3.4.21.64) activity can be measured spectrophotometrically using hemoglobin as the substrate. Proteinase K hydrolyzes hemoglobin denatured with urea, and liberates Folin-postive amino acids and peptides. One unit will hydrolyze hemoglobin to produce color equivalent to 1.0 μmol of tyrosine per minute at pH 7.5 at 37 °C (color by Folin & Ciocalteu's Phenol Reagent).
Protocols
Measure and compare the activity of proteases with this non-specific protease activity assay using casein. Use this assay as a standardized procedure to determine the activity of proteases for quality control.
Proteases break peptide bonds. In the lab, it is often necessary to measure and/or compare the activity of proteases. Sigma's non-specific protease activity assay may be used as a standardized procedure to determine the activity of proteases, which is what we do during our quality control procedures.
To standardize a procedure for the enzymatic assay of Protease using Casein as a substrate.
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