Chains and heterogens:
PDB Chain Sequences:
>1un1A (A:) xetaafaalrkpvdvafgrnyvptwafdhikyfnggneiqlhldkytgtgfqskgsylfg hfsmqmklvpgdsagtvtafylssqnsehdeidfeflgnrtgqpyilqtnvftggkgdre qriylwfdptkefhyysvlwnmymivflvddvpirvfknckdlgvkfpfnqpmkiysslw naddwatrgglektdwskapfiasyrsfhidgceasveakfcatqgarwwdqkefqdlda fqyrrlswvrqkytiynyctdrsrypsmppeckrdrdi
>1un1A (A:) pvdvafgrnyvptwafdhikyfnggneiqlhldkytgtgfqskgsylfghfsmqmklvpg dsagtvtafylssqnsehdeidfeflgnrtgqpyilqtnvftggkgdreqriylwfdptk efhyysvlwnmymivflvddvpirvfknckdlgvkfpfnqpmkiysslwnaddwatrggl ektdwskapfiasyrsfhidgceasveakfcatqgarwwdqkefqdldafqyrrlswvrq kytiynyctdrsrypsmppeckrdrdi
>1un1B (B:) xetaafaalrkpvdvafgrnyvptwafdhikyfnggneiqlhldkytgtgfqskgsylfg hfsmqmklvpgdsagtvtafylssqnsehdeidfeflgnrtgqpyilqtnvftggkgdre qriylwfdptkefhyysvlwnmymivflvddvpirvfknckdlgvkfpfnqpmkiysslw naddwatrgglektdwskapfiasyrsfhidgceasveakfcatqgarwwdqkefqdlda fqyrrlswvrqkytiynyctdrsrypsmppeckrdrdi
>1un1B (B:) vafgrnyvptwafdhikyfnggneiqlhldkytgtgfqskgsylfghfsmqmklvpgdsa gtvtafylssqnsehdeidfeflgnrtgqpyilqtnvftggkgdreqriylwfdptkefh yysvlwnmymivflvddvpirvfknckdlgvkfpfnqpmkiysslwnaddwatrgglekt dwskapfiasyrsfhidgceasveakfcatqgarwwdqkefqdldafqyrrlswvrqkyt iynyctdrsrypsmppeckrdrdi