>tr|B3F2I7|B3F2I7_9CYAN Nitrogenase protein alpha chain OS=Leptolyngbya sp. PCC 73110 GN=nifD MTPPESVTLEENAATAVDPKELIKDVLEAYPEKGRKKREKHLNVYQEGKPDCGVKSNIKS LPGSMTTRGCAYAGSKGVVWGPIKDMIHISHGPVGCGYYSWSGRRNYYIGTTGIDTFGTM QFTSDFQERDIVFGGDKKLAKLITELEELFPLNRGISIQSECPIGLIGDDIEAVAKKSAK EINKAVVPVRCEGFRGVSQSLGHHIANDAVRDWIFPRTDKAKKDGTIDVDPTQYDVAIIG DYNIGGDAWSSRILLEEIGLRVVAQWSGDGTINELINTPTVKLNLVHCYRSMNYISRHME ETYGIPWLEYNFFGPTQIAKSLREIAAKFDETIQAKAEEVIAKYQAQTDEVIAKFLPRLQ GKTVALMVGGLRPRHVVPAFYDLGMRLIGTGYEFGHNDDYKRTTHYIEDGTLIYDDVSAF EFEEFIKEMKPDLVASGIKEKYVFQKMALPFRQMHSWDYSGPYHGYDGFAIFARDMDMAL NSPTWSLIGAPWSK