Chains and heterogens:
PDB Chain Sequences:
>5yb1A (A:) hksevahrfkdlgeenfkalvliafaqylqqcpfedhvklvnevtefaktcvadesaenc dkslhtlfgdklctvatlretygemadccakqepernecflqhkddnpnlprlvrpevdv mctafhdneetflkkylyeiarrhpyfyapellffakrykaafteccqaadkaacllpkl delrdegkassakqrlkcaslqkfgerafkawavarlsqrfpkaefaevsklvtdltkvh tecchgdllecaddradlakyicenqdsissklkeccekpllekshciaevendempadl pslaadfveskdvcknyaeakdvflgmflyeyarrhpdysvvlllrlaktyettlekcca aadphecyakvfdefkplveepqnlikqncelfeqlgeykfqnallvrytkkvpqvstpt lvevsrnlgkvgskcckhpeakrmpcaedylsvvlnqlcvlhektpvsdrvtkccteslv nrrpcfsalevdetyvpkefnaetftfhadictlsekerqikkqtalvelvkhkpkatke qlkavmddfaafvekcckaddketcfaeegkklvaasqaal
>5yb1B (B:) hksevahrfkdlgeenfkalvliafaqylqqcpfedhvklvnevtefaktcvadesaenc dkslhtlfgdklctvatlretygemadccakqepernecflqhkddnpnlprlvrpevdv mctafhdneetflkkylyeiarrhpyfyapellffakrykaafteccqaadkaacllpkl delrdegkassakqrlkcaslqkfgerafkawavarlsqrfpkaefaevsklvtdltkvh tecchgdllecaddradlakyicenqdsissklkeccekpllekshciaevendempadl pslaadfveskdvcknyaeakdvflgmflyeyarrhpdysvvlllrlaktyettlekcca aadphecyakvfdefkplveepqnlikqncelfeqlgeykfqnallvrytkkvpqvstpt lvevsrnlgkvgskcckhpeakrmpcaedylsvvlnqlcvlhektpvsdrvtkccteslv nrrpcfsalevdetyvpkefnaetftfhadictlsekerqikkqtalvelvkhkpkatke qlkavmddfaafvekcckaddketcfaeegkklvaasqaal