Chains and heterogens:
PDB Chain Sequences:
>1ha2A (A:) hksevahrfkdlgeenfkalvliafaqylqqcpfedhvklvnevtefaktcvadesaenc dkslhtlfgdklctvatlretygemadccakqepernecflqhkddnpnlprlvrpevdv mctafhdneetflkkylyeiarrhpyfyapellffakrykaafteccqaadkaacllpkl delrdegkassakqrlkcaslqkfgerafkawavarlsqrfpkaefaevsklvtdltkvh tecchgdllecaddradlakyicenqdsissklkeccekpllekshciaevendempadl pslaadfveskdvcknyaeakdvflgmflyeyarrhpdysvvlllrlaktyettlekcca aadphecyakvfdefkplveepqnlikqncelfeqlgeykfqnallvrytkkvpqvstpt lvevsrnlgkvgskcckhpeakrmpcaedylsvvlnqlcvlhektpvsdrvtkccteslv nrrpcfsalevdetyvpkefnaetftfhadictlsekerqikkqtalvelvkhkpkatke qlkavmddfaafvekcckaddketcfaeegkklvaasqaalg