Chains and heterogens:
PDB Chain Sequences:
>3fguA (A:) mghhhhhhenlyfqgmkkekveqilaefqlqeedlkkvmrrmqkemdrglrletheeasv kmlptyvrstpegsevgdflsldlggtnfrvmlvkvgegeegqwsvktkhqmysipedam tgtaemlfdyisecisdfldkhqmkhkklplgftfsfpvrhedidkgillnwtkgfkasg aegnnvvgllrdaikrrgdfemdvvamvndtvatmiscyyedhqcevgmivgtgcnacym eemqnvelvegdegrmcvntewgafgdsgeldeflleydrlvdessanpgqqlyekligg kymgelvrlvllrlvdenllfhgeaseqlrtrgafetrfvsqvesdtgdrkqiynilstl glrpsttdcdivrracesvstraahmcsaglagvinrmresrsedvmritvgvdgsvykl hpsfkerfhasvrrltpsceitfieseegsgrgaalvsavackkacmlgq
>3fguA (A:) nlyfqgmkkekveqilaefqlqeedlkkvmrrmqkemdrglrletheeasvkmlptyvrs tpsevgdflsldlggtnfrvmlvkvgegqwsvktkhqmysipedamtgtaemlfdyisec isdfldkhqmkklplgftfsfpvrhedidkgillnwtkgfkasgaegnnvvgllrdaikr rgdfemdvvamvndtvatmiscyyedhqcevgmivgtgcnacymeemqnvelvegdegrm cvntewgafgdsgeldeflleydrlvdessanpgqqlyekliggkymgelvrlvllrlvd enllfhgeaseqlrtrgafetrfvsqvesdtgdrkqiynilstlglrpsttdcdivrrac esvstraahmcsaglagvinrmresrsedvmritvgvdgsvyklhpsfkerfhasvrrlt psceitfieseegsgrgaalvsavack