>tr|A0A7I6H620|A0A7I6H620_ECOHS nicotinamidase OS=Escherichia coli O9:H4 GN=pncA MPPRALLLVDLQNDFCAGGALAVPEGDSTVDVANRLIDWCQSRGEAVIASQDWHPANHGS FASQHGVEPYTPGQLDGLPQTFWPDHCVQNSEGAQLHPLLHQKAIAAVFHKGENPLVDSY SAFFDNGRRQKTSLDDWLRDHEIDELIVMGLATDYCVKFTVLDALQLGYKVNVITDGCRG VNIQPQDSAHAFMEMSAAGATLYTLADWEETQG