Chains and heterogens:
PDB Chain Sequences:
>1mt6A (A:) tlegyyvddalqgqgvytyedggvlqgtyvdgelngpaqeydtdgrlifkgqykdnirhg vcwiyypdggslvgevnedgemtgekiayvypdertalygkfidgemiegklatlmstee grphfelmpgnsvyhfdkstsscistnallpdpyeservyvaeslissageglfskvavg pntvmsfyngvrithqevdsrdwalngntlsldeetvidvpepynhvskycaslghkanh sftpnciydmfvhprfgpikcirtlraveadeeltvaygy