3.3.2.6 Br- stimulates peptidase and epoxide hydrolase activity (i.e. conversion of leukotriene A4 into leukotriene B4), SCN- most effective, followed by Cl- and Br- 646992 3.3.2.6 Cl- stimulates peptidase activity, not epoxide hydrolase activity (i.e. conversion of leukotriene A4 into leukotriene B4), SCN- most effective, followed by Cl- and Br- 646992 3.3.2.6 Co2+ apoenzyme can be restored by addition of Co2+, peptidase activity exceeds that of enzyme reactivated with zinc 646986 3.3.2.6 Co2+ apoenzyme is inactive and can be reactivated by addition of stoichiometric amounts of zinc and cobalt 646993 3.3.2.6 thiocyanate stimulates peptidase and epoxide hydrolase activity (i.e. conversion of leukotriene A4 into leukotriene B4), SCN- most effective, followed by Cl- and Br- 646992 3.3.2.6 Zinc - 647009 3.3.2.6 Zinc 0.8 mol zinc per mol enzyme 647009 3.3.2.6 Zinc apoenzyme is inactive and can be reactivated by addition of stoichiometric amounts of zinc and cobalt 646993 3.3.2.6 Zinc catalytic zinc site with the signature HEXXH-(X)18-E, three zinc binding ligands: His295, His299 and Glu318 647015 3.3.2.6 Zinc recombinant enzyme: 0.7-1 mol of zinc/mol of enzyme 646985 3.3.2.6 Zinc small intestine: 0.99 mol of zinc/mol of enzyme 646985 3.3.2.6 Zinc the sequence that codes for the zinc-ion-binding motif is identical in the short-from and long-form enzyme mRNAs 647016 3.3.2.6 Zinc three putative zinc-binding ligands: His340, His344 and Glu363, zinc atom is catalytic and also involved in the maintenance of the structural integrity of the enzyme 647010 3.3.2.6 Zinc zinc content: 1 mol of zinc per mol of enzyme 646984, 646993, 647015 3.3.2.6 Zinc zinc protein 646984, 646985, 646986, 646993, 646995, 646996, 646999, 647000, 647001, 647002, 647003, 647005, 647006, 647007, 647008, 647010, 647014, 647015, 647016, 647017, 647019, 647022 3.3.2.6 Zn2+ - 683960, 684016 3.3.2.6 Zn2+ contains zinc 698790, 699434, 731439, 731445, 731641, 731746 3.3.2.6 Zn2+ contains Zn2+ 732701 3.3.2.6 Zn2+ contans zinc 731116 3.3.2.6 Zn2+ leukotriene A4 hydrolase is a zinc metalloenzyme 753500 3.3.2.6 Zn2+ LTA4-h is a bifunctional zinc-dependent metalloenzyme 696718 3.3.2.6 Zn2+ LTA4H is a zinc metalloprotease 707687 3.3.2.6 Zn2+ the enzyme contains zinc 697288 3.3.2.6 Zn2+ the zinc ion is essential for both catalytic activities of LTA4H, it is coordinated by three amino acid residues (His295, His299, Glu318) located in the catalytic domain 752956 3.3.2.6 Zn2+ zinc metalloenzyme 731360, 732830 3.3.2.6 Zn2+ zinc metalloenzyme, enzyme LTA4H folds into three domains and creates a deep cleft harboring the catalytic Zn2+ site, forming the active site with an L-shaped hydrophobic pocket deep into the protein 754386