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