Chains and heterogens:
PDB Chain Sequences:
>4flrA (A:) spnsqylktrildiytpeqragieksedwrqfsrrmdthfpklmneldsvygnneallpm lemllaqawqsysqrnsslkdidiarennpdwilsnkqvggvcyvdlfagdlkglkdkip yfqelgltylhlmplfkcpegksdggyavssyrdvnpalgtigdlreviaalheagisav vdfifnhtsnehewaqrcaagdplfdnfyyifpdrrmpdqydrtlreifpdqhpggfsql edgrwvwttfnsfqwdlnysnpwvframagemlflanlgvdilrmdavpliwkqmgtsce nlpqahalirafnavmriaapavffkseaivhpdqvvqyigqdecqigynplqmallwnt latrevnllhqaltyrhnlpehtawvnyvrshddigwtfadedaaylgisgydhrqflnr ffvnrfdgsfargvpfqynpstgdcrvsgtaaalvglaqddphavdrikllysialstgg lpliylgdevgtlndddwsqdsnksddsrwahrprynealyaqrndpstaagqiyqdlrh miavrqsnprfdggrlvtfntnnkhiigyirnnallafgnfseypqtvtahtlqampfka hdliggktvslnqdltlqpyqvmwleia