>tr|Q51723|Q51723_9EURY Beta-galactosidase OS=Pyrococcus furiosus OX=2261 GN=celB PE=1 SV=1
MKFPKNFMFGYSWSGFQFEMGLPGSEVESDWWVWVHDKENIASGLVSGDLPENGPAYWHL
YKQDHDIAEKLGMDCIRGGIEWARIFPKPTFDVKVDVEKDEEGNIISVDVPESTIKELEK
IANMEALEHYRKIYSDWKERGKTFILNLYHWPLPLWIHDPIAVRKLGPDRAPAGWLDEKT
VVEFVKFAAFVAYHLDDLVDMWSTMNEPNVVYNQGYINLRSGFPPGYLSFEAAEKAKFNL
IQAHIGAYDAIKEYSEKSVGVIYAFAWHDPLAEEYKDEVEEIRKKDYEFVTILHSKGKLD
WIGVNYYSRLVYGAKDGHLVPLPGYGFMSERGGFAKSGRPASDFGWEMYPEGLENLLKYL
NNAYELPMIITENGMADAADRYRPHYLVSHLKAVYNAMKEGADVRGYLHWSLTDNYEWAQ
GFRMRFGLVYVDFETKKRYLRPSALVFREIATQKEIPEELAHLADLKFVTRK