1: 94 percent / Dowex 50 W-X8 (H+ form) / H2O / 0.14 h / Heating 2: 70 mmol / Na2ATP, MgCl2*6H2O, PEP-K+, K2HPOu, Na2EDTA / 96 h / 30 °C / immobilized PRPP synthetase, pyruvate kinase, adenylate kinase, pH 7.4 3: MgCl2*6H2O, DTT / 192 h / PAN-immobilized O-5-decarboxylase, O-5-P-pyrophosphorylase, PPiase View Scheme

1: Na2ATP, MgCl2*6H2O, PEP-K+, DTT, K2HPO4, Na2EDTA / 72 h / PAN-immobilized pyruvate kinase, adenylate kinase, PRPP synthetase, pH 7.5 2: MgCl2*6H2O, DTT / 192 h / PAN-immobilized O-5-decarboxylase, O-5-P-pyrophosphorylase, PPiase View Scheme

1: 70 mmol / Na2ATP, MgCl2*6H2O, PEP-K+, K2HPOu, Na2EDTA / 96 h / 30 °C / immobilized PRPP synthetase, pyruvate kinase, adenylate kinase, pH 7.4 2: MgCl2*6H2O, DTT / 192 h / PAN-immobilized O-5-decarboxylase, O-5-P-pyrophosphorylase, PPiase View Scheme

1,4-dithio-DL-threitol; magnesium chloride 192 h; PAN-immobilized O-5-decarboxylase, O-5-P-pyrophosphorylase, PPiase; Yield given;

Multistep reaction.;

T=37°C; 24 h;

in water-d2 T=37°C; 1 h;