Chains and heterogens:
PDB Chain Sequences:
>1fcvA (A:) tpdnnktvrefnvywnvptfmchkyglrfeevsekygilqnwmdkfrgeeiailydpgmf pallkdpngnvvarnggvpqlgnltkhlqvfrdhlinqipdksfpgvgvidfeswrpifr qnwaslqpykklsvevvrrehpfwddqrveqeakrrfekygqlfmeetlkaakrmrpaan wgyyaypycynltpnqpsaqceattmqendkmswlfesedvllpsvylrwnltsgervgl vggrvkealriarqmttsrkkvlpyywykyqdrrdtdlsradleatlrkitdlgadgfii wgssddintkakclqfreylnnelgpavkrialnnnandrltvdvsvdqv
>1fcvA (A:) efnvywnvptfmchkyglrfeevsekygilqnwmdkfrgeeiailydpgmfpallkdpng nvvarnggvpqlgnltkhlqvfrdhlinqipdksfpgvgvidfeswrpifrqnwaslqpy kklsvevvrrehpfwddqrveqeakrrfekygqlfmeetlkaakrmrpaanwgyyaypyc ynltpnqpsaqceattmqendkmswlfesedvllpsvylrwnltsgervglvggrvkeal riarqmttsrkkvlpyywykyqdrrdtdlsradleatlrkitdlgadgfiiwgssddint kakclqfreylnnelgpavkrial