code: def get_quantmap(features, acc_col, quantfields):
      
      qmap = {}
      for feature in features:
          feat_acc = feature.pop(acc_col)
          qmap[feat_acc] = {qf: feature[qf] for qf in quantfields}
      return qmap
docs: Runs through proteins that are in a quanted protein table, extracts
      and maps their information based on the quantfields list input.
      Map is a dict with protein_accessions as keys.