Chains and heterogens:
PDB Chain Sequences:
>1biiA (A:) mgamaprtlllllaaalgptqtragshslryfvtavsrpgfgeprymevgyvdntefvrf dsdaenpryeprarwieqegpeyweretrrakgneqsfrvdlrtalryynqsaggshtlq wmagcdvesdgrllrgywqfaydgcdyialnedlktwtaadmaaqitrrkweqagaaerd raylegecvewlrrylkngnatllrtdppkahvthhrrpegdvtlrcwalgfypaditlt wqlngeeltqemelvetrpagdgtfqkwasvvvplgkeqkytchveheglpepltlrwgk eeppsstktntviiavpvvlgavvilgavmafvmkrrrntggkggdyalapgsqssdmsl pdckv
>1biiA (A:) gshslryfvtavsrpgfgeprymevgyvdntefvrfdsdaenpryeprarwieqegpeyw eretrrakgneqsfrvdlrtalryynqsaggshtlqwmagcdvesdgrllrgywqfaydg cdyialnedlktwtaadmaaqitrrkweqagaaerdraylegecvewlrrylkngnatll rtdppkahvthhrrpegdvtlrcwalgfypaditltwqlngeeltqemelvetrpagdgt fqkwasvvvplgkeqkytchveheglpepltlrw
>1biiB (B:) marsvtlvflvlvsltglyaiqktpqiqvysrhppengkpnilncyvtqfhpphieiqml kngkkipkvemsdmsfskdwsfyilahteftptetdtyacrvkhdsmaepktvywdrdm
>1biiB (B:) iqktpqiqvysrhppengkpnilncyvtqfhpphieiqmlkngkkipkvemsdmsfskdw sfyilahteftptetdtyacrvkhdsmaepktvywdrdm