Extradiol dioxygenase that opens up the cyclic ring of DOPA between carbons 4 and 5 thus producing an unstable seco-DOPA that rearranges non-enzymatically to betalamic acid. Can also catalyze the formation of muscaflavin (a pigment found in the hygrocybe mushrooms family and of some amanita species only) by a 2,3-extradiol cleavage of DOPA. Source: Recombinant protein corresponding to aa1-228 from Amanita muscaria DOPA 4,5-dioxygenase, fused to 10X His-Tag at N-terminal and Myc-Tag at C-terminal, expressed in E.coli. Molecular Weight: ~33.6kD Amino Acid Sequence: MVPSFVVYSSWVNGRQRYIRQAFASILFYIIRDTTLSFPSHTTMSTKPETDLQTVLDSEIKEWHFHIYFHQNNAAEHQAALELRDAVLRLRQDGAFVAVPLFRVNMDPMGPHPVGSYEIWVPSETFASVFSYLCMNRGRLSILVHPLTREELRDHEIRNAWIGPSFPLNLANLPIKSDEIPLQYPSLKLGYSSTAHKMSLEERRKLGDDIEAVLRGEKEAARAPHRDA Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Supplied as a lyophilized powder from 20mM Tris-HCl, 0.5M sodium chloride, pH 8.0, 6% trehalose. Reconstitute with sterile ddH2O to a concentration of 0.1-1mg/ml.
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