>tr|A0A7I6RVG0|A0A7I6RVG0_9ENTR UPF0401 protein YkfF OS=Klebsiella sp. WP4-W18-ESBL-05 GN=ykfF MTQSVLLPPGPFTRRQAQAVTTTYSNITLEDDQGSHFRLVVRDTEGRMVWRAWNFEPDAG EGLNRYIRTSGIRTDTATR