total number of:
  models:      1
  chains:      1
  alt. conf.:  2
  residues:    3 (1 with mixed residue names)
  atoms:      31
  anisou:      0
number of atom element+charge types: 4
histogram of atom element+charge frequency:
  " C  " 18
  " O  "  7
  " N  "  4
  " S  "  2
residue name classes:
  "common_amino_acid" 3
  "other"             1
number of chain ids: 1
histogram of chain id frequency:
  "B" 1
number of alt. conf. ids: 2
histogram of alt. conf. id frequency:
  "A" 1
  "B" 1
residue alt. conf. situations:
  pure main conf.:     2
  pure alt. conf.:     1
  proper alt. conf.:   0
  improper alt. conf.: 0
chains with mix of proper and improper alt. conf.: 0
number of residue names: 4
histogram of residue name frequency:
  "ALA" 1
  "CSD" 1    other
  "CYS" 1
  "TYR" 1