Protein
Nitrogenase molybdenum-iron protein alpha chain
Organism
Sinorhizobium fredii (strain NBRC 101917 / NGR234)
Function
This molybdenum-iron protein is part of the nitrogenase complex that catalyzes the key enzymatic reactions in nitrogen fixation.
Similarity
Belongs to the NifD/NifK/NifE/NifN family.
Sequence
MSLDYENDSALHQELITQVLSQYPHKAAKRRQKHLSVASDREAVGEEGETLSECDVKSNIKSIPGVMTIRGCAYAGSKGVVWGPVKDMVHISHGPVGCGQYSWSQRRNYYVGTTGVDTFVTMQFTSDFQEKDIVFGGDKKLEQVIDEIEELFPLNNGITIQSECPIGLIGDDIEAVSRKKAAEHETTIVPVRCEGFRGVSQSLGHHIANDAIRDWVFDKADGKTDVEFETGPYDVNVIGDYNIGGDAWASRILLEEIGLRVVGNWSGDATLAEVERAPRAKLNLIHCYRSMNYICRHMEERYAIPWMEYNFFGPSQIEASLRKIARHFGPTIEERAERVIAKYRPLVDAVIDKYWPRLQGKRVMLYVGGLRPRHVITAYEDLGMQIVGTGYEFAHNDDYQRTGHYVKTGTLIYDDATSYELDTFIERIRPDLVGSGIKEKYPVQKMGIPFRQMHSWDYSGPYHGYDGFAIFARDMDLAINNPVWDLYDAPWKKMTVPTAAVAAE