Chains and heterogens:
PDB Chain Sequences:
>1v4sA (A:) maltlveqilaefqlqeedlkkvmrrmqkemdrglrletheeasvkmlptyvrstpegse vgdflsldlggtnfrvmlvkvgegeegqwsvktkhqmysipedamtgtaemlfdyiseci sdfldkhqmkhkklplgftfsfpvrhedidkgillnwtkgfkasgaegnnvvgllrdaik rrgdfemdvvamvndtvatmiscyyedhqcevgmivgtgcnacymeemqnvelvegdegr mcvntewgafgdsgeldeflleydrlvdessanpgqqlyekliggkymgelvrlvllrlv denllfhgeaseqlrtrgafetrfvsqvesdtgdrkqiynilstlglrpsttdcdivrra cesvstraahmcsaglagvinrmresrsedvmritvgvdgsvyklhpsfkerfhasvrrl tpsceitfieseegsgrgaalvsavackkacmlgq
>1v4sA (A:) tlveqilaefqlqeedlkkvmrrmqkemdrglrletheeasvkmlptyvrstpegsevgd flsldlggtnfrvmlvkvgegeegqwsvktkhqmysipedamtgtaemlfdyisecisdf ldkhqmkhkklplgftfsfpvrhedidkgillnwtkgfkasgaegnnvvgllrdaikrrg dfemdvvamvndtvatmiscyyedhqcevgmivgtgcnacymeemqnvelvegdegrmcv ntewgafgdsgeldeflleydrlvdessanpgqqlyekliggkymgelvrlvllrlvden llfhgeaseqlrtrgafetrfvsqvesdtgdrkqiynilstlglrpsttdcdivrraces vstraahmcsaglagvinrmresrsedvmritvgvdgsvyklhpsfkerfhasvrrltps ceitfieseegsgrgaalvsavackkac