Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".
We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.
R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.
Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.
Product Description
General description
Native L-leucine dehydrogenase from Bacillus cereus. Catalyzes the NAD+-dependent conversion of L-leucine to α-ketoisocaproate. Suitable for the production of L-tertiary leucine amino acids.
Native L-leucine dehydrogenase from Bacillus cereus. Purified enzyme that catalyzes the NAD-dependent conversion of L-leucine to α-ketoisocaproate. Suitable for the production of L-tertiary leucine amino acids. Has an optimal pH of 10.5-10.8 for L-leucine substrate and 9.4 for α-ketoisocaproate substrate. Has an optimal temperature of 65°C.
pH optimum 10.5-10.8 (L-leucine substrate) and 9.4 (α-ketoisocaproate substrate), temperature optimum 65°C.
Warning
Toxicity: Standard Handling (A)
Unit Definition
One unit is defined as the amount of enzyme that will convert 1.0 µmol L-leucine to α-ketoisocaproate in the presence of NAD+ per min at 30°C, pH 10.7.
Physical form
In 100 mM NaCl, 10 mM potassium phosphate buffer, 50% glycerol, pH 7.5.
Reconstitution
Following initial thaw, aliquot and freeze (-20°C).
Other Notes
Kärst, U., et al. 1986. FEMS Microbiol. Lett. 37, 335.
Schütte, H., et al. 1985. Appl. Microbiol.Biotechnol.22, 306.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
FAQ
1:Can I get some samples before bulk order?
A: Most products provide free samples, but the shipping cost be paid by customers.
2: What's your MOQ?
A: We can have a discussion.
3: Which kind of payment terms do you accept?
A: PI will be sent first after confirmation of order,enclosed our bank information.Payment by T/T, Western Union,D/P, ETC.
4.How to place an order?
A: You can contact me through Trademanager, WhatsApp, Email and other contact methods, tell me the product and quantity you need, and then we will give you a quote.
5:How about your delivery time?
A: Generally, it will take 3 to 5 days after receiving your advance payment.
6:How do you treat quality complaint?
A: First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Our Advantages
1. 90days quality guarantee for exchange.
2. For each batch order extracts, we will attach a factory Inspection Report with the goods delivery , including the BatchNo/ Date/ Test index ects; also will keep the archived extracts to ensure received by customers are the same each time.
3. Our team of experienced professionals are available online 24 hours a day to answer any questions and provide guidance on product usage and maintenance.
Product analysis
| EC 1.4.1.9 Basic information |
| Product Name: |
EC 1.4.1.9 |
| Synonyms: |
L-LEUDH;L-LEUCINE DEHYDROGENASE;L-LEUCINE DEHYDROGENASE, BACILLUS CEREUS;L-LEUCINE:NAD+-OXIDOREDUCTASE;L-LEUCINE: NAD+ OXIDOREDUCTASE [DEAMINATING];EC 1.4.1.9;EC: 1.4.1.9;LEUCINE DEHYDROGENASE |
| CAS: |
9082-71-7 |
| MF: |
|
| MW: |
0 |
| EINECS: |
|
| Product Categories: |
Oxidoreductases;Specialty Enzymes |
| Mol File: |
Mol File |
| |
| |
| EC 1.4.1.9 Chemical Properties |
| storage temp. |
-20°C |
| form |
solution |
| color |
slightly brown |
| WGK Germany |
3 |
| HS Code |
35079090 |
| |
| EC 1.4.1.9 Usage And Synthesis |
| Chemical Properties |
Powder |
| Uses |
L-Leucine Dehydrogenase from Bacillus cereus has been used to determine the branched-chain amino acids (BCAA) spectrophotometrically in serum samples. |
| General Description |
L-Leucine Dehydrogenase is a member of the amino acid dehydrogenase family. |
| Biochem/physiol Actions |
Leucine Dehydrogenase is a nicotinamide adenine dinucleotide hydrogen (NADH)-dependent oxidoreductase. It is involved in catalyzing the reductive amination of aliphatic 2-oxo-acids to their respective L-amino acids. |
){kind=link}
){kind=link}