All
 D12 Amino Acids, Peptides, and Proteins D000602 +
 D12.125 Amino Acids D000596 +
 D12.125.740 Phosphoamino Acids D019606 +
 D12.125.740.675 Phosphocreatine D010725 
 D12.125.740.700 Phosphoserine D010768 
 D12.125.740.725 Phosphothreonine D010769 
 D12.125.740.025 2-Amino-5-phosphonovalerate D015763 
 D12.125.740.740 Phosphotyrosine D019000