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