>tr|B3F2H6|B3F2H6_LEPBY Nitrogenase protein alpha chain OS=Leptolyngbya boryana PCC 6306 GN=nifD MTPPESVTLEENAATAVDPKELIKDVLEAYPEKGRKKREKHLNVYQEGKPDCGVKSNIKS LPGSMTTRGCAYAGSKGVVWGPIKDMIHISHGPVGCGYYSWSGRRNYYIGTTGIDTFGTM QFTSDFQERDIVFGGDKKLAKLITELEELFPLNRGISIQSECPIGLIGDDIEAVAKKSAK EINKAVVPVRCEGFRGVSQSLGHHIANDAVRDWIFPRTDKAKKDGTIDVDPTQYDVAIIG DYNIGGDAWSSRILLEEIGLRVVAQWSGDGTINELINTPTVKLNLVHCYRSMNYISRHME ETYGIPWLEYNFFGPTQIAKSLREIAAKFDETIQAKAEEVIAKYQAQTDEVIAKFLPRLQ GKTVALMVGGLRPRHVVPAFYDLGMRLIGTGYEFGHNDDYKRTTHYIEDGTLIYDDVSAF EFEEFIKEMKPDLVASGIKEKYVFQKMALPFRQMHSWDYSGPYHGYDGFAIFARDMDMAL NSPTWSLIGAPWSK