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8RHP

Cryo-EM structure of the molybdenum nitrogenase complexed with iron protein (NifH) and Shethna protein II (FeSII)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005524molecular_functionATP binding
A0009399biological_processnitrogen fixation
A0016163molecular_functionnitrogenase activity
A0016491molecular_functionoxidoreductase activity
A0016612cellular_componentmolybdenum-iron nitrogenase complex
A0046872molecular_functionmetal ion binding
A0051536molecular_functioniron-sulfur cluster binding
B0000166molecular_functionnucleotide binding
B0005524molecular_functionATP binding
B0009399biological_processnitrogen fixation
B0016163molecular_functionnitrogenase activity
B0016491molecular_functionoxidoreductase activity
B0016612cellular_componentmolybdenum-iron nitrogenase complex
B0046872molecular_functionmetal ion binding
B0051536molecular_functioniron-sulfur cluster binding
C0000166molecular_functionnucleotide binding
C0005524molecular_functionATP binding
C0009399biological_processnitrogen fixation
C0016163molecular_functionnitrogenase activity
C0016491molecular_functionoxidoreductase activity
C0016612cellular_componentmolybdenum-iron nitrogenase complex
C0046872molecular_functionmetal ion binding
C0051536molecular_functioniron-sulfur cluster binding
D0000166molecular_functionnucleotide binding
D0005524molecular_functionATP binding
D0009399biological_processnitrogen fixation
D0016163molecular_functionnitrogenase activity
D0016491molecular_functionoxidoreductase activity
D0016612cellular_componentmolybdenum-iron nitrogenase complex
D0046872molecular_functionmetal ion binding
D0051536molecular_functioniron-sulfur cluster binding
E0005737cellular_componentcytoplasm
E0046872molecular_functionmetal ion binding
E0051536molecular_functioniron-sulfur cluster binding
E0051537molecular_function2 iron, 2 sulfur cluster binding
F0000166molecular_functionnucleotide binding
F0005524molecular_functionATP binding
F0009399biological_processnitrogen fixation
F0016163molecular_functionnitrogenase activity
F0016491molecular_functionoxidoreductase activity
F0046872molecular_functionmetal ion binding
F0051536molecular_functioniron-sulfur cluster binding
F0051539molecular_function4 iron, 4 sulfur cluster binding
G0000166molecular_functionnucleotide binding
G0005524molecular_functionATP binding
G0009399biological_processnitrogen fixation
G0016163molecular_functionnitrogenase activity
G0016491molecular_functionoxidoreductase activity
G0046872molecular_functionmetal ion binding
G0051536molecular_functioniron-sulfur cluster binding
G0051539molecular_function4 iron, 4 sulfur cluster binding
H0000166molecular_functionnucleotide binding
H0005524molecular_functionATP binding
H0009399biological_processnitrogen fixation
H0016163molecular_functionnitrogenase activity
H0016491molecular_functionoxidoreductase activity
H0016612cellular_componentmolybdenum-iron nitrogenase complex
H0046872molecular_functionmetal ion binding
H0051536molecular_functioniron-sulfur cluster binding
I0000166molecular_functionnucleotide binding
I0005524molecular_functionATP binding
I0009399biological_processnitrogen fixation
I0016163molecular_functionnitrogenase activity
I0016491molecular_functionoxidoreductase activity
I0016612cellular_componentmolybdenum-iron nitrogenase complex
I0046872molecular_functionmetal ion binding
I0051536molecular_functioniron-sulfur cluster binding
J0000166molecular_functionnucleotide binding
J0005524molecular_functionATP binding
J0009399biological_processnitrogen fixation
J0016163molecular_functionnitrogenase activity
J0016491molecular_functionoxidoreductase activity
J0016612cellular_componentmolybdenum-iron nitrogenase complex
J0046872molecular_functionmetal ion binding
J0051536molecular_functioniron-sulfur cluster binding
K0000166molecular_functionnucleotide binding
K0005524molecular_functionATP binding
K0009399biological_processnitrogen fixation
K0016163molecular_functionnitrogenase activity
K0016491molecular_functionoxidoreductase activity
K0016612cellular_componentmolybdenum-iron nitrogenase complex
K0046872molecular_functionmetal ion binding
K0051536molecular_functioniron-sulfur cluster binding
L0005737cellular_componentcytoplasm
L0046872molecular_functionmetal ion binding
L0051536molecular_functioniron-sulfur cluster binding
L0051537molecular_function2 iron, 2 sulfur cluster binding
M0000166molecular_functionnucleotide binding
M0005524molecular_functionATP binding
M0009399biological_processnitrogen fixation
M0016163molecular_functionnitrogenase activity
M0016491molecular_functionoxidoreductase activity
M0046872molecular_functionmetal ion binding
M0051536molecular_functioniron-sulfur cluster binding
M0051539molecular_function4 iron, 4 sulfur cluster binding
N0000166molecular_functionnucleotide binding
N0005524molecular_functionATP binding
N0009399biological_processnitrogen fixation
N0016163molecular_functionnitrogenase activity
N0016491molecular_functionoxidoreductase activity
N0046872molecular_functionmetal ion binding
N0051536molecular_functioniron-sulfur cluster binding
N0051539molecular_function4 iron, 4 sulfur cluster binding
Functional Information from PROSITE/UniProt
site_idPS00090
Number of Residues15
DetailsNITROGENASE_1_2 Nitrogenases component 1 alpha and beta subunits signature 2. SECpigliGDDIeSV
ChainResidueDetails
ASER152-VAL166
BTHR151-PHE165

site_idPS00197
Number of Residues9
Details2FE2S_FER_1 2Fe-2S ferredoxin-type iron-sulfur binding region signature. CQDGNCGSC
ChainResidueDetails
ECYS42-CYS50

site_idPS00692
Number of Residues14
DetailsNIFH_FRXC_2 NifH/frxC family signature 2. DvLGDVVCGGFAmP
ChainResidueDetails
FASP126-PRO139

site_idPS00699
Number of Residues8
DetailsNITROGENASE_1_1 Nitrogenases component 1 alpha and beta subunits signature 1. ISHGPVGC
ChainResidueDetails
AILE81-CYS88
BTYR88-CYS95

site_idPS00746
Number of Residues13
DetailsNIFH_FRXC_1 NifH/frxC family signature 1. EsGGPepGvGCAG
ChainResidueDetails
FGLU88-GLY100

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues72
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues234
DetailsDomain: {"description":"2Fe-2S ferredoxin-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00465","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues74
DetailsRegion: {"description":"N-loop","evidences":[{"source":"PubMed","id":"26654855","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00465","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"26654855","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsModified residue: {"description":"ADP-ribosylarginine; by dinitrogenase reductase ADP-ribosyltransferase","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 212
ChainResidueDetails
FLYS11electrostatic stabiliser, hydrogen bond donor
FLYS16electrostatic stabiliser, hydrogen bond donor
FLYS42electrostatic stabiliser, hydrogen bond donor
FASP130hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

site_idMCSA2
Number of Residues4
DetailsM-CSA 212
ChainResidueDetails
GLYS11electrostatic stabiliser, hydrogen bond donor
GLYS16electrostatic stabiliser, hydrogen bond donor
GLYS42electrostatic stabiliser, hydrogen bond donor
GASP130hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

site_idMCSA3
Number of Residues4
DetailsM-CSA 212
ChainResidueDetails
MLYS11electrostatic stabiliser, hydrogen bond donor
MLYS16electrostatic stabiliser, hydrogen bond donor
MLYS42electrostatic stabiliser, hydrogen bond donor
MASP130hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

site_idMCSA4
Number of Residues4
DetailsM-CSA 212
ChainResidueDetails
NLYS11electrostatic stabiliser, hydrogen bond donor
NLYS16electrostatic stabiliser, hydrogen bond donor
NLYS42electrostatic stabiliser, hydrogen bond donor
NASP130hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor

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PDB entries from 2025-07-30

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