>tr|A0A037YBV4|A0A037YBV4_ECOLX nicotinamidase OS=Escherichia coli GN=ydjB MPPRALLLVDLQNDFCAGGALAVPEGDSTVDVANRLIDWCQSRGEAVIASQDWHPANHGS FASQHGVEPYTPGQLDGLPQTFWPDHCVQNSEGAQLHPLLHQKAIAAVFHKGENPLVDSY SAFFDNGRRQKTSLDDWLRDHEIDELIVMGLATDYCVKFTVLDALQLGYKVNVITDGCRG VNIQPQDSAHAFMEMSAAGATLYTLADWEETQG