PDB: 2ILA
PDB: 1ITA
PDB: 1I1B
PDB: 2I1B
PDB: 4I1B
PDB: 5I1B
PDB: 6I1B
PDB: 7I1B
PDB: 8I1B
PDB: 21BI
PDB: 31BI
PDB: 41BI
PDB: 1HLB
PDB: 2MIB
