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