Chains and heterogens:
PDB Chain Sequences:
>1h2fA (A:) attlyltrhgetkwnverrmqgwqdspltekgrqdamrlgkrleavelaaiytstsgral etaeivrggrlipiyqderlreihlgdwegkthdeirqmdpiafdhfwqaphlyapqrge rfcdvqqraleavqsivdrhegetvlivthgvvlktlmaafkdtpldhlwsppymygtsv tiievdggtfhvavegdvshieevkev