Chains and heterogens:
PDB Chain Sequences:
>1bza_ (-) ansvqqqlealekssggrlgvalintadnsqilyraderfamcstskvmaaaavlkqses dkhllnqrveikksdlvnynpiaekhvngtmtlaelgaaalqysdntamnkliahlggpd kvtafarslgdetfrldrtaptlntaipgdprdtttplamaqtlknltlgkalaetqraq lvtwlkgnttgsasiraglpkswvvgdktgsgdygttndiaviwpenhaplvlvtyftqp eqkaerrrdilaaaakivthgf
>1bza_ (-) svqqqlealekssggrlgvalintadnsqilyraderfamcstskvmaaaavlkqsesdk hllnqrveikksdlvnynpiaekhvngtmtlaelgaaalqysdntamnkliahlggpdkv tafarslgdetfrldrtaptlntaipgdprdtttplamaqtlknltlgkalaetqraqlv twlkgnttgsasiraglpkswvvgdktgsgdygttndiaviwpenhaplvlvtyftqpeq kaerrrdilaaaakivt