Chains and heterogens:
PDB Chain Sequences:
>1ubbA (A:) merpqldsmsqdlsealkeatkevhiraensefmrnfqkgqvsregfklvmaslyhiyta leeeiernkqnpvyaplyfpeelhrraaleqdmafwygphwqeaipytpatqhyvkrlhe vggthpellvahaytrylgdlsggqvlkkiaqkamalpssgeglafftfpsidnptkfkq lyrarmntlemtpevkhrvteeaktafllnielfeelqallteehkdqspsqteflrqrp aslvqdttsaetprgksqistsssqtp
>1ubbA (A:) qdlsealkeatkevhiraensefmrnfqkgqvsregfklvmaslyhiytaleeeiernkq npvyaplyfpeelhrraaleqdmafwygphwqeaipytpatqhyvkrlhevggthpellv ahaytrylgdlsggqvlkkiaqkamalpssgeglafftfpsidnptkfkqlyrarmntle mtpevkhrvteeaktafllnielfeelqallt