Chains and heterogens:
PDB Chain Sequences:
>1fs2A (A:) pgvswdslpdelllgifsclclpellkvsgvckrwyrlasdeslwqtldefrvqhmdlsn svievstlhgilsqcsklqnlsleglrlsdpivntlaknsnlvrlnlsgcsgfsefalqt llsscsrldelnlswcfdftekhvqvavahvsetitqlnlsgyrknlqksdlstlvrrcp nlvhldlsdsvmlkndcfqeffqlnylqhlslsrcydiipetllelgeiptlktlqvfgi vpdgtlqllkealphlqin
>1fs2B (B:) psiklqssdgeifevdveiakqsvtiktmledlgmdpvplpnvnaailkkviqwcthhkd dppppeddenkekrtddipvwdqeflkvdqgtlfelilaanyldikglldvtcktvanmi kgktpeeirktfnikndft
>1fs2B (B:) psiklqssdgeifevdveiakqsvtiktmledlgmdpvplpnvnaailkkviqwcthhkd dkrtddipvwdqeflkvdqgtlfelilaanyldikglldvtcktvanmikgktpeeirkt fnikndft
>1fs2C (C:) pgvswdslpdelllgifsclclpellkvsgvckrwyrlasdeslwqtldefrvqhmdlsn svievstlhgilsqcsklqnlsleglrlsdpivntlaknsnlvrlnlsgcsgfsefalqt llsscsrldelnlswcfdftekhvqvavahvsetitqlnlsgyrknlqksdlstlvrrcp nlvhldlsdsvmlkndcfqeffqlnylqhlslsrcydiipetllelgeiptlktlqvfgi vpdgtlqllkealphlqin
>1fs2D (D:) psiklqssdgeifevdveiakqsvtiktmledlgmdpvplpnvnaailkkviqwcthhkd dppppeddenkekrtddipvwdqeflkvdqgtlfelilaanyldikglldvtcktvanmi kgktpeeirktfnikndft
>1fs2D (D:) psiklqssdgeifevdveiakqsvtiktmledlgmdpvplpnvnaailkkviqwcthhkd dkrtddipvwdqeflkvdqgtlfelilaanyldikglldvtcktvanmikgktpeeirkt fnikndft