Chains and heterogens:
PDB Chain Sequences:
>1cb7A (A:) mekktivlgvigsdchavgnkildhaftnagfnvvnigvlspqelfikaaietkadailv sslygqgeidckglrqkcdeaglegillyvggnivvgkqhwpdvekrfkdmgydrvyapg tppevgiadlkkdlnie
>1cb7B (B:) melknkkwtdeefhkqreevlqqwptgkevdlqeavdylkkipaeknfaeklvlakkkgi tmaqpragvalldehiellrylqdeggadflpstidaytrqnrydecengikesekagrs llngfpgvnfgvkgcrkvleavnlplqarhgtpdsrllaeiihaggwtsnegggisynvp yaknvtiekslldwqycdrlvgfyeeqgvhinrepfgpltgtlvppsmsnavgitealla aeqgvknitvgygecgnmiqdiaalrcleeqtneylkaygyndvfvttvfhqwmggfpqd eskafgvivtattiaalagatkvivktpheaigiptkeanaagikatkmalnmlegqrmp mskeletemavikaetkcildkmfelgkgdlaigtvkafetgvmdipfgpskynagkmmp vrdnlgcvrylefgnvpfteeiknynrerlqerakfegrdvsfqmviddifavgkgrlig rpe
>1cb7C (C:) mekktivlgvigsdchavgnkildhaftnagfnvvnigvlspqelfikaaietkadailv sslygqgeidckglrqkcdeaglegillyvggnivvgkqhwpdvekrfkdmgydrvyapg tppevgiadlkkdlnie
>1cb7D (D:) melknkkwtdeefhkqreevlqqwptgkevdlqeavdylkkipaeknfaeklvlakkkgi tmaqpragvalldehiellrylqdeggadflpstidaytrqnrydecengikesekagrs llngfpgvnfgvkgcrkvleavnlplqarhgtpdsrllaeiihaggwtsnegggisynvp yaknvtiekslldwqycdrlvgfyeeqgvhinrepfgpltgtlvppsmsnavgitealla aeqgvknitvgygecgnmiqdiaalrcleeqtneylkaygyndvfvttvfhqwmggfpqd eskafgvivtattiaalagatkvivktpheaigiptkeanaagikatkmalnmlegqrmp mskeletemavikaetkcildkmfelgkgdlaigtvkafetgvmdipfgpskynagkmmp vrdnlgcvrylefgnvpfteeiknynrerlqerakfegrdvsfqmviddifavgkgrlig rpe