Chains and heterogens:
PDB Chain Sequences:
>1pbn_ (-) mangytyedyqdtakwllshteqrpqvavicgsglgglvnkltqaqtfdyseipnfpest vpghagrlvfgilngracvmmqgrfhmyegypfwkvtfpvrvfrllgvetlvvtnaaggl npnfevgdimlirdhinlpgfsgenplrgpneerfgvrfpamsdaydrdmrqkahstwkq mgeqrelqegtyvmlggpnfetvaecrllrnlgadavgmstvpevivarhcglrvfgfsl itnkvimdtesqgkanheevleagkqaaqkleqfvsllmasipvsghtg