Chains and heterogens:
PDB Chain Sequences:
>3silA (A:) eksvvfkaegehftdqkgntivgsgsggttkyfripamcttskgtivvfadarhntasdq sfidtaaarstdggktwnkkiaiyndrvnsklsrvmdptcivaniqgretilvmvgkwnn ndktwgayrdkapdtdwdlvlykstddgvtfskvetnihdivtkngtisamlggvgsglq lndgklvfpvqmvrtknittvlntsfiystdgitwslpsgycegfgsenniiefnaslvn nirnsglrrsfetkdfgktwtefppmdkkvdnrnhgvqgstitipsgnklvaahssaqnk nndytrsdislyahnlysgevkliddfypkvgnasgagysclsyrknvdketlyvvyean gsiefqdlsrhlpviksyn