Chains and heterogens:
PDB Chain Sequences:
>2fkmX (X:) stakaptlpasifraydirgvvgdtltaetaywigraigseslargepcvavgrdgrlsg pelvkqliqglvdcgcqvsdvgmvptpvlyyaanvlegksgvmltgdhnppdyngfkivv agetlaneqiqalreriekndlasgvgsveqvdilpryfkqirddiamakpmkvvvdcgn gvagviapqliealgcsviplycevdgnfpnhhpdpgkpenlkdliakvkaenadlglaf dgdgdrvgvvtntgtiiypdrllmlfakdvvsrnpgadiifdvkctrrlialisgyggrp vmwktghslikkkmketgallagemsghvffkerwfgfddgiysaarlleilsqdqrdse hvfsafpsdistpeinitvtedskfaiiealqrdaqwgegnittldgvrvdypkgwglvr asnttpvlvlrfeadteeeleriktvfrnqlkavdsslpvpf
>2fkmX (X:) pasifraydirgvvgdtltaetaywigraigseslargepcvavgrdgrlsgpelvkqli qglvdcgcqvsdvgmvptpvlyyaanvlegksgvmltgdhnppdyngfkivvagetlane qiqalreriekndlasgvgsveqvdilpryfkqirddiamakpmkvvvdcgngvagviap qliealgcsviplycevdgnfpnhhpdpgkpenlkdliakvkaenadlglafdgdgdrvg vvtntgtiiypdrllmlfakdvvsrnpgadiifdvkctrrlialisgyggrpvmwktghs likkkmketgallagemsghvffkerwfgfddgiysaarlleilsqdqrdsehvfsafps distpeinitvtedskfaiiealqrdaqwgegnittldgvrvdypkgwglvrasnttpvl vlrfeadteeeleriktvfrnqlkavdsslpvpf