Chains and heterogens:
PDB Chain Sequences:
>1gblA (A:) anivggieysinnaslcsvgfsvtrgatkgfvtaghcgtvnatariggavvgtfaarvfp gndrawvsltsaqtllprvangssfvtvrgsteaavgaavcrsgrttgyqcgtitaknvt anyaegavrgltqgnacagrgdsggswitsagqaqgvmsggnvqsngnncgipasqrssl ferlqpilsqyglslvtg