Chains and heterogens:
PDB Chain Sequences:
>1iaoA (A:) eddieadhvgfygttvyqspgdigqythefdgdelfyvdldkkktvwrlpefgqlilfep qgglqniaaekhnlgiltkrsnftpatneapqatvfpkspvllgqpntlicfvdnifppv initwlrnsksvtdgvyetsflvnrdhsfhklsyltfipsdddiydckvehwgleepvlk hwepeissadlvpr
>1iaoA (A:) eadhvgfygttvyqspgdigqythefdgdelfyvdldkkktvwrlpefgqlilfepqggl qniaaekhnlgiltkrsnftpatneapqatvfpkspvllgqpntlicfvdnifppvinit wlrnsksvtdgvyetsflvnrdhsfhklsyltfipsdddiydckvehwgleepvlkhw
>1iaoB (B:) rgisqavhaahaeineagrgsgsgsgnserhfvvqfkgecyytngtqrirlvtryiynre eyvrydsdvgeyravtelgrpdaeywnsqpeildrtraevdtacrhnyegpetstslrrl eqpnvaislsrtealnhhntlvcsvtdfypakikvrwfrngqeetvgvsstqlirngdwt fqvlvmlemtphqgevytchvehpslkspitvewssadlvpr
>1iaoB (B:) rgisqavhaahaeihfvvqfkgecyytngtqrirlvtryiynreeyvrydsdvgeyravt elgrpdaeywnsqpeildrtraevdtacrhnyegpetstslrrleqpnvaislsrtealn hhntlvcsvtdfypakikvrwfrngqeetvgvsstqlirngdwtfqvlvmlemtphqgev ytchvehpslkspitvewss