4-Hydroxyphenylpyruvate dioxygenase HPPD is an Fe-containing enzyme, that catalyzes the second reaction in the catabolism of tyrosine - the conversion of 4-hydroxyphenylpyruvate to homogentisate.
The mechanism of action of 4-hydroxyphenylpyruvate dioxygenase involves a decarboxylation step and an oxidation step, followed by a rearrangement step to form homogentisic acid.
The HPPD reaction occurs through a NIH shift and involves the oxidative decarboxylation of an alpha-oxo acid as well as aromatic ring hydroxylation.
The NIH-shift, which has been demonstrated through isotope-labeling studies, involves migration of an alkyl group to form a more stable carbocation.
The shift, accounts for the observation that C3 is bonded to C4 in 4-hydroxyphenylpyruvate but to C5 in homogentisate.
Applications:Suitable for use in ELISA, Western Blot, Immunohistochemistry, Immunocytochemistry.
Other applications not tested.
Recommended Dilution:Western Blot: 1:50-400Immunocytochemistry: 1:50-500Immunohistochemistry (frozen): 1:50-500Immunohistochemistry (paraffin): 1:10-100ELISA: 1:100-1:5000Optimal dilutions to be determined by the researcher.
Storage and Stability:May be stored at 4°C for short-term only.
Aliquot to avoid repeated freezing and thawing.
Store at -20°C.
Aliquots are stable for 12 months after receipt.
For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
仕様
Size：200ul
Host：rabbit
Source Antibody：human
Grade：Affinity Purified
Purity：Purified by immunoaffinity chromatography.
Form：Supplied as a liquid in PBS, pH 7.4, 0.02% sodium azide, 50% glycerol.
Specificity：Recognizes human HPD.
Isotype：IgG
Calc Applications Abbrev：E IC IHC WB
Calc Crossreactivity：Hu
Immunogen：Recombinant protein corresponding to Thr2-Met393 of human HPD, fused to His-Tag and T7-tag at N-terminal expressed in E. coli.
