Queried GO term:

  idGO:0006560   Detailed information
  nameproline metabolic process
  namespacebiological_process
  def"The chemical reactions and pathways involving proline (pyrrolidine-2-carboxylic acid), a chiral, cyclic, nonessential alpha-amino acid found in peptide linkage in proteins." [GOC:jl, ISBN:0198506732]
  subsetgosubset_prok
  is_aGO:0009064 ! glutamine family amino acid metabolic process
  is_aGO:0046483 ! heterocycle metabolic process

No monarch genes has the input GO term: GO:0006560.