total number of:
  models:      1
  chains:      2
  alt. conf.:  4
  residues:    3
  atoms:      23
  anisou:      0
number of atom element+charge types: 3
histogram of atom element+charge frequency:
  " C  " 16
  " O  "  5
  " N  "  2
residue name classes:
  "common_amino_acid" 2
  "other"             1
number of chain ids: 2
histogram of chain id frequency:
  " " 1
  "A" 1
number of alt. conf. ids: 2
histogram of alt. conf. id frequency:
  "A" 2
  "B" 2
residue alt. conf. situations:
  pure main conf.:     1
  pure alt. conf.:     1
  proper alt. conf.:   1
  improper alt. conf.: 0
chains with mix of proper and improper alt. conf.: 0
number of residue names: 3
histogram of residue name frequency:
  "EOH" 1    other
  "ILE" 1
  "SER" 1
Number of amino acid residues: 2
Number of other residues: 1
Number of atoms removed: 6
Writing file: v4_truncated_to_ala_crambin_pieces.pdb