Chains and heterogens:
PDB Chain Sequences:
>1ffoA (A:) phsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeywe retqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayegr dyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnatllr tdspkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgtf qkwasvvvplgkeqnytcrvyheglpepltlrw
>1ffoB (B:) miqktpqiqvysrhppengkpnilncyvtqfhpphieiqmlkngkkipkvemsdmsfskd wsfyilahteftptetdtyacrvkhdsmaepktvywdrdm
>1ffoD (D:) phsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeywe retqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayegr dyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnatllr tdspkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgtf qkwasvvvplgkeqnytcrvyheglpepltlrw
>1ffoE (E:) miqktpqiqvysrhppengkpnilncyvtqfhpphieiqmlkngkkipkvemsdmsfskd wsfyilahteftptetdtyacrvkhdsmaepktvywdrdm