>UniProt/Swiss-Prot|Q43909|NIFU_AZOBR Nitrogen fixation protein nifU MWNYTDKVKEHFFNPKNAGALDEADDVGEVGSITCGDALKLMMKVNPDQPGHRDANFQTF GCGSAIASLRSALTEMIIGKTVDEALGQVTNRDIAEYLGGLPPEKMDCSVMGAEALPAAI ANFKGEGLVDDHEEGELVCKCFGIDAAMIERAVTVNSLTTLEEVTHYTKAGGSCQTCHEK IEEVLEAVLAKTGAVGPAQAPSPTPPARSGWTPSSRWPRRPRHAPAKLTNVQRMQKIMFA IEDWRPQIQRDGGDVELVDIDGKDIYVRLTGACSGCSQSAGTMMGVQAKLVEALGEFVRV KPASLLPVGA