Chains and heterogens:
PDB Chain Sequences:
>1kk0A (A:) gekrksrqaevnigmvghvdhgkttltkaltgvwtdthseelrrgitikigfadaeirrc pncgrystspvcpycghetefvrrvsfidapghealmttmlagaslmdgailviaanepc prpqtrehlmalqiigqkniiiaqnkielvdkekalenyrqikefiegtvaenapiipis alhganidvlvkaiedfiptpkrdpnkppkmlvlrsfdvnkpgtppeklvggvlggsivq gklkvgdeieirpgvpyeehgrikyepitteivslqaggqfveeaypgglvgvgtkldpy ltkgdlmagnvvgkpgklppvwdslrlevhllervvgteqelkvepikrkevlllnvgta rtmglvtglgkdeievklqipvcaepgdrvaisrqigsrwrligygiike
>1kk0A (A:) srqaevnigmvghvdhgkttltkaltgvwtdhseelrrgitikigfadaeirrcpncgry stspvcpycghetefvrrvsfidapghealmttmlagaslmdgailviaanepcprpqtr ehlmalqiigqkniiiaqnkielvdkekalenyrqikefiegtvaenapiipisalhgan idvlvkaiedfiptpkrdpnkppkmlvlrsfdvnkpglvggvlggsivqgklkvgdeiei rpgvpyeehgrikyepitteivslqaggqfveeaypgglvgvgtkldpyltkgdlmagnv vgkpgklppvwdslrlevhllervvgteqelkvepikrkevlllnvgtartmglvtglgk deievklqipvcaepgdrvaisrqigsrwrligygiike