Chains and heterogens:
PDB Chain Sequences:
>1bxoA (A:) aasgvatntptandeeyitpvtiggttlnlnfdtgsadlwvfstelpasqqsghsvynps atgkelsgytwsisygdgssasgnvftdsvtvggvtahgqavqaaqqisaqfqqdtnndg llglafssintvqpqsqttffdtvksslaqplfavalkhqqpgvydfgfidsskytgslt ytgvdnsqgfwsfnvdsytagsqsgdgfsgiadtgttllllddsvvsqyysqvsgaqqds naggyvfdcstnlpdfsvsisgytatvpgslinygpsgdgstclggiqsnsgigfsifgd iflksqyvvfdsdgpqlgfapqa