Chains and heterogens:
PDB Chain Sequences:
>1i9cA (A:) mekktivlgvigsdchavgnkildhaftnagfnvvnigvlspqenfikaaietkadailv sslygqgeidckglrqkcdeaglegillyvggnivvgkqhwpdvekrfkdmgydrvyapg tppevgiadlkkdlnie
>1i9cB (B:) melknkkwtdeefhkqreevlqqwptgkevdlqeavdylkkipaeknfaeklvlakkkgi tmaqpragvalldehiellrylqdeggadflpstidaytrqnrydecengikesekagrs llngfpgvnfgvkgcrkvleavnlplqarhgtpdsrllaeiihaggwtsnegggisynvp yaknvtiekslldwqycdrlvgfyeeqgvhinrepfgpltgtlvppsmsnavgitealla aeqgvknitvgygecgnmiqdiaalrcleeqtneylkaygyndvfvttvfhqwmggfpqd eskafgvivtattiaalagatkvivktpheaigiptkeanaagikatkmalnmlegqrmp mskeletemavikaetkcildkmfelgkgdlaigtvkafetgvmdipfgpskynagkmmp vrdnlgcvrylefgnvpfteeiknynrerlqerakfegrdvsfqmviddifavgkgrlig rpe
>1i9cC (C:) mekktivlgvigsdchavgnkildhaftnagfnvvnigvlspqenfikaaietkadailv sslygqgeidckglrqkcdeaglegillyvggnivvgkqhwpdvekrfkdmgydrvyapg tppevgiadlkkdlnie
>1i9cD (D:) melknkkwtdeefhkqreevlqqwptgkevdlqeavdylkkipaeknfaeklvlakkkgi tmaqpragvalldehiellrylqdeggadflpstidaytrqnrydecengikesekagrs llngfpgvnfgvkgcrkvleavnlplqarhgtpdsrllaeiihaggwtsnegggisynvp yaknvtiekslldwqycdrlvgfyeeqgvhinrepfgpltgtlvppsmsnavgitealla aeqgvknitvgygecgnmiqdiaalrcleeqtneylkaygyndvfvttvfhqwmggfpqd eskafgvivtattiaalagatkvivktpheaigiptkeanaagikatkmalnmlegqrmp mskeletemavikaetkcildkmfelgkgdlaigtvkafetgvmdipfgpskynagkmmp vrdnlgcvrylefgnvpfteeiknynrerlqerakfegrdvsfqmviddifavgkgrlig rpe