Chains and heterogens:
PDB Chain Sequences:
>1ih5A (A:) masefkkklfwravvaeflattlfvfisigsalgfkypvgnnqtavqdnvkvslafglsi atlaqsvghisgahlnpavtlglllscqisifralmyiiaqcvgaivatailsgitsslt gnslgrndladgvnsgqglgieiigtlqlvlcvlattdrrrrdlggsaplaiglsvalgh llaidytgcginparsfgsavithnfsnhwifwvgpfiggalavliydfilaprssdltd rvkvwtsgqveeydldaddinsrvemkpk
>1ih5A (A:) lfwravvaeflattlfvfisigsalgfkypvgnnqtavqdnvkvslafglsiatlaqsvg hisgahlnpavtlglllscqisifralmyiiaqcvgaivatailsgitssltgnslgrnd ladgvnsgqglgieiigtlqlvlcvlattdrrrrdlggsaplaiglsvalghllaidytg cginparsfgsavithnfsnhwifwvgpfiggalavliydfila