Chains and heterogens:
PDB Chain Sequences:
>1g9jA (A:) asspankvyqdrfesmyskikdpangyfseqgipyhsietlmvqapdyghvttseamsyy mwleamhgrfsgdftgfdkswsvteqyliptekdqpntsmsrydankpatyapefqdpsk ypspldtsqpvgrdpinsqltsaygtsmlygmhwildvdnwygfgaradgtskpsyintf qrgeqestwetipqpcwdehkfggqygfldlftkdtgtpakqfkytnapdadaravqaty wadqwakeqgksvstsvgkatkmgdylrysffdkyfrkigqpsqagtgydaahyllswyy awgggidstwswiigsshnhfgyqnpfaawvlstdanfkpkssngasdwaksldrqlefy qwlqsaegaiaggatnswngryeavpsgtstfygmgyvenpvyadpgsntwfgmqvwsmq rvaelyyktgdarakklldkwakwingeikfnadgtfqipstidwegqpdtwnptqgytg nanlhvkvvnygtdlgcasslantltyyaaksgdetsrqnaqklldamwnnysdskgist veqrgdyhrfldqevfvpagwtgkmpngdviksgvkfidirskykqdpewqtmvaalqag qvptqrlhrfwaqsefavangvyailfpd