Chains and heterogens:
PDB Chain Sequences:
>1s7vA (A:) gphsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeyw eretqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayeg rdyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnatll rtdspkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgt fqkwasvvvplgkeqnytcrvyheglpepltlrwepppstdsymvivavlgvlgamaiig avvafvmkrrrntggkggdyalapgsqssemslrdcka
>1s7vA (A:) gphsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeyw eretqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayeg rdyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnatll rtdspkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgt fqkwasvvvplgkeqnytcrvyheglpepltlrwep
>1s7vB (B:) iqktpqiqvysrhppengkpnilncyvtqfhpphieiqmlkngkkipkvemsdmsfskdw sfyilahteftptetdtyacrvkhdsmaepktvywdrdm
>1s7vD (D:) gphsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeyw eretqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayeg rdyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnatll rtdspkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgt fqkwasvvvplgkeqnytcrvyheglpepltlrwepppstdsymvivavlgvlgamaiig avvafvmkrrrntggkggdyalapgsqssemslrdcka
>1s7vD (D:) gphsmryfetavsrpgleepryisvgyvdnkefvrfdsdaenpryeprapwmeqegpeyw eretqkakgqeqwfrvslrnllgyynqsaggshtlqqmsgcdlgsdwrllrgylqfayeg rdyialnedlktwtaadmaaqitrrkweqsgaaehykaylegecvewlhrylkngnatll rtdspkahvthhprskgevtlrcwalgfypaditltwqlngeeltqdmelvetrpagdgt fqkwasvvvplgkeqnytcrvyheglpepltlrwep
>1s7vE (E:) iqktpqiqvysrhppengkpnilncyvtqfhpphieiqmlkngkkipkvemsdmsfskdw sfyilahteftptetdtyacrvkhdsmaepktvywdrdm