>3PIE_1|Chains A, B, C, D|5'->3' EXORIBONUCLEASE (Xrn1)|Kluyveromyces lactis (28985) MGIPKFFHFISERWPQISQLIDGSQIPEFDNLYLDMNSILHNCTHGDGSEVNSRLSEEEVYSKIFSYIDHLFHTIKPKQTFYMAIDGVAPRAKMNQQRARRFRTAMDAEKALQKAIENGDELPKGEPFDSNAITPGTEFMAKLTENLKYFIHDKITNDTRWQNVKVIFSGHEVPGEGQHKIMDYIRAIRAQEDYNPNTRHCIYGLDADLIILGLSTHDHHFCLLREEVTFGKRSSSVKTLETQNFFLLHLSILREYLALEFEEITDSVQFEYDFERVLDDFIFVLFTIGNDFLPNLPDLHLKKGAFPVLLQTFKEALQHMDGYINEQGKINLARFSIWLKYLSDFEYLNFEKKDIDVEWFNQQLENISLEGERKRTRMGKKLLMKQQKKLIGAVKPWLLKTVQRKVTSELQDADFEIFPLEDKELVRANLDFLKEFAFDLGLILAHSKSKDLYYFKLDLDSINXXXXXXXXXXXXXXXXXXXIYSERFVEWKDQYYKDKLDFSINDTDSLKEMTENYVGGLQWVLYYYYRGCPSWSWYYRYHYAPRISDVIKGIDQNIEFHKGQPFKPFQQLMAVLPERSKNLIPVVYRPLMYDEHSPILDFYPNEVELDLNGKTADWEAVVKISFVDQKRLVEAMAPYDAKLSPDEKKRNSFGTDLIFIFNPQVDTVYKTPLAGLFNDIEHNHCIEREFIPESMENVKFLFGLPKGAKLGASSLAGFPSLKTLPLTAELAYNSSVVFNFPSKQQSMVLHIQDLYKENGISLSDLAKRHMGKIVYSRWPFLRESKLLSLITEETVYEGVKSGKLTKVIERKPQDFERKEFRELKMTLKSNYQRTKAILLDDISALAKVVPVNGLVRNSDGSYSKSFNETIEYYPLQLIVEDVKNKDERYIEKEPLPINKEFPKGSKVVFLGDYAYGGEATVDGYNSETRLKLTVKKGSLRAEPNIGKVRAKLDSQALRFYPTQVXXXXXXXXXXXXXXXXXXXSSAEADSILKTVADWLSEARKPFVVVSLESDSLTKASMAAVESEIIKYVSLPDSSEQKKLAKVPREAILNAESSYVLLRSQRFHLGDRVMYIQDSGKVPLHSKGTVVGYTSIGKNVSIQVLFDNEIIAGNNFGGRLQTRRGLGLDSSFLLNLSDRQLVYHSKASLEHHHHHH