Description
QDPR, human recombinant is available at Gentaur for Next week delivery.
Plays an important role in the recycling of tetrahydrobiopterin (BH4)
Biomolecule/Target: QDPR
Alternates names: Quinoid dihydropteridine reductase, DHPR, FLJ42391, PKU2, SDR33C1
Synonyms: Quinoid dihydropteridine reductase, DHPR, FLJ42391, PKU2, SDR33C1
Background Information: QDPR is a member of the short-chain dehydrogenases/reductase (SDR) family of enzymes. Functioning as a homodimer, QDPR plays an important role in the recycling of tetrahydrobiopterin (BH4), an essential cofactor for the hydroxylation of the aromatic amino acids (tryptophan, tyrosine and phenylalanine). More specifically, QDPR catalyzes the regeneration of BH4 from quinonoid dihydrobiopterin (qBH2), the product generated from the hydroxylation reactions. Mutations in the gene encoding QDPR can lead to phenylketonuria II. Recombinant human QDPR protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.
Reconstitution Instructions: N/A
NCBI Gene Symbol: QDPR
Gene ID: 5860
NCBI Accession: P09417
Additional Information
Size: |
100 μg |
Country of Manufacturing Origin: |
USA |
Country of Animal Origin: |
USA |
Gene Source: |
Human |
Recombinant: |
Yes |
Source: |
E. coli. |
Purity by SDS-PAGE: |
≥90% |
Assay: |
SDS-PAGE |
Purity: |
N/A |
Assay 2: |
N/A |
Endotoxin Level: |
N/A |
Activity (Specifications/test method): |
N/A |
Biological activity: |
Specific activity: > 27 units/ml One unit will oxidize 1.0 µmole of b-NADH to b-NAD with 6,7-Dimethyldihydropterine (quinonoid isomer) as the non-nucleotide substrate per minute at pH 7.2 at 25ºC |
Results: |
Specific activity: > 27 units/ml |
Molecular Weight: |
28.2 kDa (267 aa, 1-244 aa + His Tag) |
Storage Temperature: |
-20°C |
Shelf Life: |
12 months |
Concentration: |
1 mg/ml |
Appearance: |
Liquid |
Handling: |
Centrifuge the vial prior to opening. |
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