Chains and heterogens:
PDB Chain Sequences:
>1bz9A (A:) phsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeywe retqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayegr dyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnatllr tdspkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgtf qkwasvvvplgkeqnytcrvyheglpepltlrwerwe
>1bz9A (A:) phsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeywe retqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayegr dyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnatllr tdspkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgtf qkwasvvvplgkeqnytcrvyheglpepltlrw
>1bz9B (B:) miqktpqiqvysrhppengkpnilncyvtqfhpphieiqmlkngkkipkvemsdmsfskd wsfyilahteftptetdtyacrvkhdsmaepktvywdrdm