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EC Number
Metals/Ions
Commentary
Reference
Cu2+
crystal structure
Cu2+
enhance interaction with substrate but lower stability
K+
increases activity
K+
optimum activity at 30-50 mM
more
no effect of bivalent cations on enzyme
Na+
increases activity
Na+
NaCl: 0.1-0.25 M optimum concentration
Ni2+
-
Ni2+
binds the enzyme, crystal structure
sulfate
13 sulfate anions are identified in the electrondensity map of the two dimers in the asymmetric unit of the crystal, confirming that this ion plays a fundamental role in the crystallization process. Four sulfate ions are positioned at the active sites, as typically observed in several other members of the pancreatic-like superfamily, the remaining anions are located on positive patches of the rod surface
Results 1 - 10 of 11 > >>