>8QF6_1|Chains A, B, C, D|Ergothioneine biosynthesis protein EgtB|Escherichia coli BL21(DE3) (469008) MEAARSHPEPIQSGEVSDRKAWQRHYRAVRAVSEAICQPLETEDYVVQPMPDVSPPKWHLGHTSWFFETFILKSGLADYRPFHPRYDYIFNSYYEAVGARHPRPQRGLLTRPTVSEVYAYRAHVDAAVERFIAHSDTRTWAALQPILELGLHHEQQHQELLLTDIKAILATNPLDPVYRPQPQPLPSPVEQLSPTGDWHIVEGGRYAIGHAGRGFAFDNEGPRHDVLLRPCRIAARPVTNGEFLAFMADGGYRRPELWLSDGWAAVTARGWEAPLYWRQAADGTWETLTLHGVQPVAPYEPVCHISFYEADAYARWAGKRLPTEAEWEVVAARLPVTGNFYESGVLHPRPVSVSAAFYGDVWVWTASPYVGYPGFRPVSGALGEYNGKFMCNQMVLRGGSCATSLTHIRSTYRNFFPPDARWQFTGVRLAEDMS