THIS CRYSTAL CONTAINS 2 MOLECULES PER ASYMMETRIC UNIT. P622 CRYSTAL SYMMETRY GENERATES TWO ...THIS CRYSTAL CONTAINS 2 MOLECULES PER ASYMMETRIC UNIT. P622 CRYSTAL SYMMETRY GENERATES TWO DODECAMERS (BIOLOGICAL UNITS) IN THE UNIT CELL, ONE DODECAMER FROM EACH MONOMER. UNIT CELL TRANSLATIONS ALONG A AND B GENERATE LAYERS IN THE CRYSTAL COMPOSED OF DODECAMER 1 WHICH ARE INTERLEAVED BY SIMILAR LAYERS COMPOSED OF DODECAMER 2. TRANSLOCATION LATTICE DEFECTS (TLD) COMPLICATE THE INTERPRETATION OF THE ELECTRON DENSITY FOR DODECAMER 2. THIS DODECAMER IS DISTRIBUTED RANDOMLY OVER 6 DIFFERENT POSITIONS (DIFFERING IN X,Y COORDINATES) WITHIN THE LAYER. TO FACILITATE INTERPRETATION OF THE ELECTRON DENSITY MAP, THE CONTRIBUTION FROM DODECAMER 2 HAS BEEN REMOVED FROM THE STRUCTURE FACTORS BY APPLYING A LATTICE TRANSLOCATION CORRECTION. ACCORDINGLY, THE COORDINATES FOR THE SECOND MOLECULE ARE NOT INCLUDED IN THIS PDB ENTRY.