>4uzs_B mol:protein length:689 BETA-GALACTOSIDASEMSKRRKHSWPQPLKGAESRLWYGGDYNPDQWPEEVWDDDIRLMKKAGVNLVSVGIFSWAKIEPEEGKYDFDWLDRAIDKLGKAGIAVDLASATASPPMWLTQAHPEVLWKDERGDTVWPGAREHWRPTSPVFREYALNLCRRMAEHYKGNPYVVAWHVSNEYGCHNRFDYSDDAMRAFQKWCKKRYKTIDAVNEAWGTAFWAQHMNDFSEIIPPRYIGDGNFMNPGKLLDYKRFSSDALKELYIAERDVLESITPGLPLTTNFMVSAGGSMLDYDDWGAEVDFVSNDHYFTPGEAHFDEVAYAASLMDGISRKEPWFQMEHSTSAVNWRPINYRAEPGSVVRDSLAQVAMGADAICYFQWRQSKAGAEKWHSSMVPHAGEDSQIFRDVCELGADLGRLSDEGLMGTKTVKSKVAVVFDYESQWATEYTANPTQQVDHWTEPLDWFRALADNGITADVVPVRSDWDSYEIAVLPCVYLLSEETSRRVREFVANGGKLFVTYYTGLSDENDHIWLGGYPGSIRDVVGVRVEEFAPMGNDMPGALDHLDLDNGTVAHDFADVITSTADTSTVLASYKAERWTGMNEVPAIVANGYGDGRTVYVGCRLGRQGLAKSLPAMLGSMGLSDLAGDGRVLRVERADAAAASHFEFVFNRTHEPVTVDVEGEAIAASLAHVDDGRATIDPTGVVVLRR