Enzyme Identification Quiz
Identify the enzymes catalyzing each of the reactions shown below. Select an enzyme from the list and click the "Submit" button.
Note that only the first answer to each question is scored. Questions can be answered in any order.
NH3 + 2-oxoglutarate + NADH <---> glutamate + NAD+
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
NO3 - + NADH ---> NO2 - + NAD+
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
Glutamate + oxaloacetate <---> aspartate + 2-oxoglutarate
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
Glutamate ---> CO2 + gamma-aminobutyrate
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
NH3 + glutamate + ATP ---> glutamine + ADP + Pi
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
Glutamate + ATP + NADPH ---> pyrolline-5-carboxylate + ADP + Pi + NADP+
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
Pyrolline-5-carboxylate + NADPH ---> proline + NADP+
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
Betaine aldehyde + NAD+ ---> glycinebetaine + NADH
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
Glutamine + 2-oxoglutarate + reduced ferredoxin ---> 2(glutamate) + oxidized ferredoxin
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of:
NO2 - + reduced ferredoxin ---> NH3 + oxidized ferredoxin
Anthranilate synthase
Asparagine synthetase
Aspartate aminotransferase
Betaine aldehyde dehydrogenase
Glutamate decarboxylase
Glutamate dehydrogenase
Glutamate synthase
Glutamine synthetase
Methionine synthase
Nitrate reductase
Nitrite reductase
Proline dehydrogenase
Pyrroline-5-carboxylate dehydrogenase
Pyrroline-5-carboxylate synthetase
Pyrroline-5-carboxylate reductase
Score:
out of: