Chains and heterogens:
PDB Chain Sequences:
>1c8sA (A:) tgrpewiwlalgtalmglgtlyflvkgmgvsdpdakkfyaittlvpaiaftmylsmllgy gltmvpfggeqnpiywaryadwlfttpllllnlallvdadqgtilalvgadgimigtglv galtkvysyrfvwwaistaamlyilyvlfnvtvvlwsaypvvwligsegagivplnietl lfmvldvsakvgfgli