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8Q50

Nitrogenase Fe protein from Methanothermococcus thermolithotrophicus, tetragonal crystalline form at 1.91-A resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005524molecular_functionATP binding
A0009399biological_processnitrogen fixation
A0016163molecular_functionnitrogenase activity
A0016491molecular_functionoxidoreductase activity
A0046872molecular_functionmetal ion binding
A0051536molecular_functioniron-sulfur cluster binding
A0051539molecular_function4 iron, 4 sulfur cluster binding
Functional Information from PROSITE/UniProt
site_idPS00692
Number of Residues14
DetailsNIFH_FRXC_2 NifH/frxC family signature 2. DvLGDVVCGGFAmP
ChainResidueDetails
AASP133-PRO146

site_idPS00746
Number of Residues13
DetailsNIFH_FRXC_1 NifH/frxC family signature 1. EsGGPepGvGCAG
ChainResidueDetails
AGLU95-GLY107

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues7
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"ADP-ribosylarginine; by dinitrogenase reductase ADP-ribosyltransferase","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

248636

PDB entries from 2026-02-04

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