Chains and heterogens:
PDB Chain Sequences:
>1ldfA (A:) tlkgqciaeflgtglliffgvgcvaalkvagasfgqweisvifglgvamaiyltagvsga hlnpavtialwlfacfdkrkvipfivsqvagafcaaalvyglyynlffdfeqthhivrgs vesvdlagtfstypnphinfvqafavemvitailmglilaltddgngvprgplaplligl liavigasmgpltgtamnpardfgpkvfawlagwgnvaftggrdipyflvplfgpivgai vgafayrkligrhl