Chains and heterogens:
PDB Chain Sequences:
>1bul_ (-) ntkgideiknletdfngrigvyaldtgsgksfsyranerfplcssfkgflaaavlkgsqd nrlnlnqivnyntrslefhspittkykdngmslgdmaaaalqysdngatniileryiggp egmtkfmrsigdedfrldrweldlntaipgderdtstpaavakslktlalgnilseheke tyqtwlkgnttgaarirasvpsdwvvgdktgscgaygtandyavvwpknrapliisvytt knekeakhedkviaeasriaidnlk