666133

Urease, Canavalia ensiformis

Native urease from Canavalia ensiformis. Catalyzes hydrolysis of urea to carbon dioxide and ammonia. Useful in the determination of urea in body fluids. Note: 1 KU = 1000 units.

• Synonyme(s) : Urease, Canavalia ensiformis
• Numéro CAS: 9002-13-5
• Numéro de classification (Commission des enzymes): 3.5.1.5 (BRENDA, IUBMB)
• Numéro MDL: MFCD00070858
• Code UNSPSC : 12352202
• Nomenclature NACRES : NA.54

Propriétés

• Source biologique: Canavalia ensiformis
• Niveau de qualité: 100
• Forme: lyophilized solid
• Activité spécifique: >150 units/mg material (Nesslers)
• Fabricant/nom de marque: Calbiochem^®
• Conditions de stockage: OK to freeze
• Couleur: white
• Solubilité: 0.05 M Tris-HCl/0.001 M EDTA, pH 8.0: 5 mg/mL
• Traces de cations: NH₄⁺: ≤4 μmol/U (μmol/U enzyme)
• Conditions d'expédition: ambient
• Température de stockage: −20°C

Description

Description générale

Native urease from Canavalia ensiformis. Catalyzes hydrolysis of urea to carbon dioxide and ammonia. Useful in the determination of urea in body fluids. Note: 1 KU = 1000 units.

Conditionnement

Please refer to vial label for lot-specific concentration.

Avertissement

Toxicity: Standard Handling (A)

Définition de l'unité

One unit is defined as the amount of enzyme that will release 1 µmol of ammonia from urea per min at 25°C, pH 7.0.

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 2 months at -20°C.

Informations légales

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Informations sur la sécurité

• Pictogrammes: GHS08,GHS07
• Mention d'avertissement: Danger
• Mentions de danger: H315,H319,H334,H335
• Conseils de prudence: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1