>tr|A0A0H2VHU6|A0A0H2VHU6_STAES Nitrogen fixation protein NifU OS=Staphylococcus epidermidis GN=SE_0630 MPTENPTMFDQVAEVIERLRPFLLRDGGDCTLVDVEDGIVKLQLHGACGTCPSSTITLKA GIERALHEEVPGVIEVEQVF