Chains and heterogens:
PDB Chain Sequences:
>1kk1A (A:) srqaevnigmvghvdhgkttltkaltgvwtdthseelrrgitikigfadaeirrcpncgr ystspvcpycghetefvrrvsfidapghealmttmlagaslmdgailviaanepcprpqt rehlmalqiigqkniiiaqnkielvdkekalenyrqikefiegtvaenapiipisalhga nidvlvkaiedfiptpkrdpnkppkmlvlrsfdvnkpgtppeklvggvldgsivqgklkv gdeieirpgvpyeehgrikyepitteivslqaggqfveeaypgglvgvgtkldpyltkgd lmagnvvgkpgklppvwdslrlevhllervvgteqelkvepikrkevlllnvgtartmgl vtglgkdeievklqipvcaepgdrvaisrqigsrwrligygiike
>1kk1A (A:) srqaevnigmvghvdhgkttltkaltgvwtdseelrrgitikigfadaeirrcpncgrys tspvcpycghetefvrrvsfidapghealmttmlagaslmdgailviaanepcprpqtre hlmalqiigqkniiiaqnkielvdkekalenyrqikefiegtvaenapiipisalhgani dvlvkaiedfiptpkrdpnkppkmlvlrsfdvnkpgklvggvldgsivqgklkvgdeiei rpgvpyeehgrikyepitteivslqaggqfveeaypgglvgvgtkldpyltkgdlmagnv vgkpgklppvwdslrlevhllervveqelkvepikrkevlllnvgtartmglvtglgkde ievklqipvcaepgdrvaisrqigsrwrligygiike