Wheel entries:

• 1) oxidative deamination of glutamate
• 2) oxidative deamination of remaining AA
• 3) transamination
• 4) action of AST/ALT
• 5) transdeamination
• 6) decarboxylation 
• 7) reductive amination of a-ketoglutarate
• 8) synthesis of glutamine
• 9) urea cycle
• 10) role of SAM
• 11) degradation of phenylalanine & tyrosine
• 12) action of dihydrobiopterin reductase
• 13) synthesis of cysteine
• 14) creatine phosphate synthesis 
• 15) formation of citrulline from arginine
• 16) synthesis of acetylcholine
• 17) synthesis of serotonin and melatonin
• 18) synthesis of catecholamines