Chains and heterogens:
PDB Chain Sequences:
>1buiA (A:) psfdcgkpqvepkkcpgrvvggcvahphswpwqvslrtrfgmhfcggtlispewvltaah cleksprpssykvilgahqevnlephvqeievsrlfleptrkdiallklsspavitdkvi paclpspnyvvadrtecfitgwgetqgtfgagllkeaqlpvienkvcnryeflngrvqst elcaghlaggtdscqgdsggplvcfekdkyilqgvtswglgcarpnkpgvyvrvsrfvtw iegvmrnn
>1buiA (A:) psfdcgkpqvepkkcpgvvggcvahphswpwqvslrtrfgmhfcggtlispewvltaahc leksprpssykvilgahqevnlephvqeievsrlfleptrkdiallklsspavitdkvip aclpspnyvvadrtecfitgwgetqgtfgagllkeaqlpvienkvcnryeflngrvqste lcaghlaggtdscqgdsggplvcfekdkyilqgvtswglgcarpnkpgvyvrvsrfvtwi egvmrnn
>1buiB (B:) apsfdcgkpqvepkkcpgrvvggcvahphswpwqvslrtrfgmhfcggtlispewvltaa hcleksprpssykvilgahqevnlephvqeievsrlfleptrkdiallklsspavitdkv ipaclpspnyvvadrtecfitgwgetqgtfgagllkeaqlpvienkvcnryeflngrvqs telcaghlaggtdscqgdsggplvcfekdkyilqgvtswglgcarpnkpgvyvrvsrfvt wiegvmrnn
>1buiB (B:) apsfdcgkpqvepkkcpgvvggcvahphswpwqvslrtrfgmhfcggtlispewvltaah cleksprpssykvilgahqevnlephvqeievsrlfleptrkdiallklsspavitdkvi paclpspnyvvadrtecfitgwgetqgtfgagllkeaqlpvienkvcnryeflngrvqst elcaghlaggtdscqgdsggplvcfekdkyilqgvtswglgcarpnkpgvyvrvsrfvtw iegvmrnn
>1buiC (C:) asyfeptgpylmvnvtgvdskgnellsphyvefpikpgttltkekieyyvewaldatayk efrvveldpsakievtyydknkkkeetksfpitekgfvvpdlsehiknpgfnlitkvvie kk