Chains and heterogens:
PDB Chain Sequences:
>6fldA (A:) sellvntksgkvmgtrvpvlsshisaflgipfaeppvgnmrfrrpepkkpwsgvwnasty pnncqqyvdeqfpgfsgsemwnpnremsedclylniwvpsprpksttvmvwiygggfysg sstldvyngkylayteevvlvslsyrvgafgflalhgsqeapgnvglldqrmalqwvhdn iqffggdpktvtifgexaggasvgmhilspgsrdlfrrailqsgspncpwasvsvaegrr ravelgrnlncnlnsdeelihclrekkpqelidvewnvlpfdsifrfsfvpvidgeffpt slesmlnsgnfkktqillgvnkdegsffllygapgfskdseskisredfmsgvklsvpha ndlgldavtlqytdwmddnngiknrdglddivgdhnvicplmhfvnkytkfgngtylyff nhrasnlvwpewmgvihgyeiefvfglplvkelnytaeeealsrrimhywatfaktgnpn ephsqeskwplfttkeqkfidlntepmkvhqrlrvqmcvfwnqflpkllnat