2026-08-12 REL RCSB INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY DATABASE_REFERENCES citation citation_author em_admin _citation.journal_volume _citation.page_first _citation.page_last _citation_author.identifier_ORCID _em_admin.last_update EXPERIMENTAL_SUMMARY citation citation_author em_admin _citation.journal_volume _citation.page_first _citation.page_last _citation_author.identifier_ORCID _em_admin.last_update STRUCTURE_SUMMARY em_admin pdbx_entry_details pdbx_modification_feature pdbx_nonpoly_atom_coordination pdbx_nonpoly_atom_coordination_sphere pdbx_nonpoly_atom_coordination_sphere_order pdbx_struct_conn_angle pdbx_validate_close_contact struct_conn _em_admin.last_update _pdbx_entry_details.has_protein_modification EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update RCSB RCSB 2026-02-12 2026-07-15 2026-07-15 2026-08-12 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R01-GM148607 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R35-GM138206 United States National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) 1S10OD032471 United States CryoEM structure of Gluconacetobacter diazotrophicus MoFeP (C2 symmetry) Li Y Narehood SM Cook BD McGuire KL Tezcan FA Herzik Jr MA Nitrogenase, MoFeP, Gluconacetobacter diazotrophicus, molybdenum-iron protein, Oxidoreductase Li Y Narehood SM Cook BD McGuire KL Herzik Jr MA Tezcan FA Structural and Functional Characterization of Heterologous Nitrogenase Complexes. Biochemistry US 65 2318 2329 2026 42390130 doi:10.1021/acs.biochem.6c00360 0006-2960 0033 BICHAW 10zl FULLOVERLAP EMDB EMD-75567 associated EM volume
CryoEM structure of Gluconacetobacter diazotrophicus MoFeP (C2 symmetry)
 Heterotetrameric MoFeP from Gluconacetobacter diazotrophicus Heterotetrameric MoFeP from Gluconacetobacter diazotrophicus 0 1 2 Gluconacetobacter diazotrophicus PA1 5 0.23 Nitrogenase MoFe protein beta subunit NifK Gluconacetobacter diazotrophicus PA1 5 0.057094351999999994 2 LEVO MPQNVDKILDHAPLFREPEYQEMLAGKAKLENMPPADKVVEIADWTKSWEYREKNFARESLSVNPAKACQPLGAVFVASG FERTMSFVHGSQGCVAYYRSHLSRHFKEPSSAVSSSMTEDAAVFGGLNNMVDGLANTYKLYDPKMIAVSTTCMAEVIGDD LHAFIQTAKGKGSVPEEFDVPFAHTPAFVGSHVTGYDNMLKGILEHFWKGRTPVPNRSVNIIPGFDGFAVGNNRELKRIL GMMGVQYTILSDVSDQFDTPSDGEYRMYDGGTKIEAARDAVNADYTISLQEYCTPKTLEYCQSFGQKTASFHYPLGIGAT DDLLQKLSEISGKPVPQELEMERGRLVDALADSQAYLHGKTYAIYGDPDFVYGMARFILETGGEPKHCLATNGSKAWEAQ MQELFDSSPFGVGCKAWGGKDLWHMRSLLATEKVDLLIGNSYGKYLERDTDTPLIRLMFPIFDRHHHHRFPVWGYQGALR VLVTLLDKIFDKLDDDTIQAGVTDYSFDLTR A9H5W8 1.18.6.1 Nitrogenase MoFe protein alpha subunit NifD Gluconacetobacter diazotrophicus PA1 5 0.056095452999999997 2 LEVO MSLDEDKTNDSAFHARLIAEVLEAYPDKARKRRQKHLNVAGQAEAEAQDAGEEGVMLSECDVKSNVKSVPGVMTIRGCAY AGSKGVVWGPVKDMVHISHGPVGCGQYSWSQRRNYYIGNTGVDSFVTMQFTSDFQEKDIVFGGDKKLEKIIDEIDELFPL AKGISVQSECPIGLIGDDIEAVSRKKKKEIGKTIVPVRCEGFRGVSQSLGHHIANDAIRDWVFDGEDKHAAFETTPYDVN VIGDYNIGGDAWSSRILLEEMGLRVVGNWSGDATLAEIERAPKAKLNLIHCYRSMNYICRHMEEKYNIPWTEYNFFGPSQ IAASLRKIAALFDEKIQEGAERVIAKYQPLVDAVIEKFRPRLAGKKVMLYVGGLRPRHVVNAYNDLGMEIVGTGYEFGHN DDYQRTGHYVREGTLIYDDVTGYELEKFIEGIRPDLVGSGIKEKYPVQKMGIPFRQMHSWDYSGPYHGYDGFAIFARDMD LAINNPVWSMFKAPWKNAA A9H5W5 1.18.6.1 FE (III) ION 5.5845e-05 2 FE FE(8)-S(7) CLUSTER 0.000671215 2 CLF 3-HYDROXY-3-CARBOXY-ADIPIC ACID 0.00020615 2 HCA iron-sulfur-molybdenum cluster with interstitial carbon 0.000787451 2 ICS singleParticle particle 6.9 8.0 20.0 C4H11NO3 Tris 25.0 NaCl Sodium chloride 10.0 Na2S2O4 Sodium dithionite
Solutions were prepared, filtered, and degassed to Ar immediately prior to the experiment.
 Quantifoil Active R1.2/0.8 COPPER 300 CARBON HOLEY GLOW DISCHARGE ETHANE 75 298 SPT LABTECH CHAMELEON
Samples were covered by Al's oil and frozen with the SPT Labtech chameleon..
Homogeneous Gd-MoFeP purified from a gel filtration column(SEC).
 TFS KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 1.0 2.5 130000.0 FEI TITAN KRIOS AUTOGRID HOLDER NITROGEN TFS Selectris X 10 FEI FALCON IV (4k x 4k) 4096 4096 1 2371 5.0 60.0 1 674977 cryoSPARC PHASE FLIPPING AND AMPLITUDE CORRECTION EMD-26757 C2 FOURIER SPACE 2.15 FSC 0.143 CUT-OFF cryoSPARC 211731 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_75567.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 448 448 448 0 0 0 448 448 448 418.88 418.88 418.88 90.0 90.0 90.0 X Y Z -1.5578254 3.3913677 -0.000033342458 0.040295716 0.935 0.935 0.935 0.4 AUTHOR Gluconacetobacter diazotrophicus MoFeP (C2 symmetry) sharp map RIGID BODY FIT REAL emd_75567_msk_1.map emd_75567_additional_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 448 448 448 0 0 0 448 448 448 418.88 418.88 418.88 90.0 90.0 90.0 X Y Z -0.2911847 1.0819442 -0.00003334246 0.011482583 0.935 0.935 0.935 AUTHOR Gluconacetobacter diazotrophicus MoFeP (C2 symmetry) map emd_75567_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 448 448 448 0 0 0 448 448 448 418.88 418.88 418.88 90.0 90.0 90.0 X Y Z -0.36603612 1.3263019 0.0001150328 0.022371076 0.935 0.935 0.935 AUTHOR Gluconacetobacter diazotrophicus MoFeP (C2 symmetry) half map emd_75567_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 448 448 448 0 0 0 448 448 448 418.88 418.88 418.88 90.0 90.0 90.0 X Y Z -0.2934049 1.2934477 0.00011958628 0.022290014 0.935 0.935 0.935 AUTHOR Gluconacetobacter diazotrophicus MoFeP (C2 symmetry) half map