Chains and heterogens:
PDB Chain Sequences:
>4rchA (A:) msghhhhhhassglvprgsmaltlveqilaefqlqeedlkkvmrrmqkemdrglrlethe easvkmlptyvrstpegsevgdflsldlggtnfrvmlvkvgegeegqwsvktkhqmysip edamtgtaemlfdyisecisdfldkhqmkhkklplgftfsfpvrhedidkgillnwtkgf kasgaegnnvvgllrdaikrrgdfemdvvamvndtvatmiscyyedhqcevgmivgtgcn acymeemqnvelvegdegrmcvntewgafgdsgeldeflleydrlvdessanpgqqlyek liggkymgelvrlvllrlvdenllfhgeaseqlrtrgafetrfvsqvesdtgdrkqiyni lstlglrpsttdcdivrracesvstraahmcsaglagvinrmresrsedvmritvgvdgs vyklhpsfkerfhasvrrltpsceitfieseegsgrgaalvsavackkacmlgq
>4rchA (A:) tlveqilaefqlqeedlkkvmrrmqkemdrglrletheeasvkmlptyvrstpegsevgd flsldlggtnfrvmlvkvgegeegqwsvktkhqmysipedamtgtaemlfdyisecisdf ldkhqmkhkklplgftfsfpvrhedidkgillnwtkgfkasgaegnnvvgllrdaikrrg dfemdvvamvndtvatmiscyyedhqcevgmivgtgcnacymeemqnvelvegdegrmcv ntewgafgdsgeldeflleydrlvdessanpgqqlyekliggkymgelvrlvllrlvden llfhgeaseqlrtrgafetrfvsqvesdtgdrkqiynilstlglrpsttdcdivrraces vstraahmcsaglagvinrmresrsedvmritvgvdgsvyklhpsfkerfhasvrrltps ceitfieseegsgrgaalvsavackkac