Chains and heterogens:
PDB Chain Sequences:
>7fabH (H:) avqleqsgpglvrpsqtlsltctvsgtsfddyywtwvrqppgrglewigyvfytgttlld pslrgrvtmlvntsknqfslrlssvtaadtavyycarnliaggidvwgqgslvtvssast kgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssgly slssvvtvpssslgtqtyicnvnhkpsntkvdkkvep
>7fabH (H:) avqleqsgpglvrpsqtlsltctvsgtsfddyywtwvrqppgrglewigyvfytgttlld pslrgrvtmlvntsknqfslrlssvtaadtavyycarnliaggidvwgqgslvtvssast kgpsvfplaptaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglyslssvvtv pssslgtqtyicnvnhkpsntkvdkkvep
>7fabL (L:) asvltqppsvsgapgqrvtisctgsssnigaghnvkwyqqlpgtapkllifhnnarfsvs ksgtsatlaitglqaedeadyycqsydrslrvfgggtkltvlrqpkaapsvtlfppssee lqankatlvclisdfypgavtvawkadgspvkagvetttpskqsnnkyaassylsltpeq wkshksyscqvthegstvektvap