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Database: UniProt
Entry: I1X2G1_9BRAD
LinkDB: I1X2G1_9BRAD
Original site: I1X2G1_9BRAD 
ID   I1X2G1_9BRAD            Unreviewed;       274 AA.
AC   I1X2G1;
DT   11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT   11-JUL-2012, sequence version 1.
DT   24-JAN-2024, entry version 18.
DE   RecName: Full=nitrogenase {ECO:0000256|ARBA:ARBA00012773};
DE            EC=1.18.6.1 {ECO:0000256|ARBA:ARBA00012773};
DE   AltName: Full=Nitrogenase component I {ECO:0000256|ARBA:ARBA00030899};
DE   Flags: Fragment;
GN   Name=nifD {ECO:0000313|EMBL:AFI73875.1};
OS   Bradyrhizobium sp. lus17.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Nitrobacteraceae; Bradyrhizobium.
OX   NCBI_TaxID=1179027 {ECO:0000313|EMBL:AFI73875.1};
RN   [1] {ECO:0000313|EMBL:AFI73875.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=Lus17 {ECO:0000313|EMBL:AFI73875.1};
RX   PubMed=22539163; DOI=10.1099/mic.0.059238-0;
RA   Koppell J.H., Parker M.A.;
RT   "Phylogenetic clustering of Bradyrhizobium symbionts on legumes indigenous
RT   to North America.";
RL   Microbiology 158:2050-2059(2012).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=16 ATP + 16 H2O + N2 + 8 reduced [2Fe-2S]-[ferredoxin] = 16
CC         ADP + 6 H(+) + H2 + 2 NH4(+) + 8 oxidized [2Fe-2S]-[ferredoxin] + 16
CC         phosphate; Xref=Rhea:RHEA:21448, Rhea:RHEA-COMP:10000, Rhea:RHEA-
CC         COMP:10001, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:17997,
CC         ChEBI:CHEBI:18276, ChEBI:CHEBI:28938, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:456216; EC=1.18.6.1;
CC         Evidence={ECO:0000256|ARBA:ARBA00000805};
CC   -!- COFACTOR:
CC       Name=[8Fe-7S] cluster; Xref=ChEBI:CHEBI:21143;
CC         Evidence={ECO:0000256|ARBA:ARBA00001919};
CC   -!- SIMILARITY: Belongs to the NifD/NifK/NifE/NifN family.
CC       {ECO:0000256|ARBA:ARBA00011002, ECO:0000256|RuleBase:RU004021}.
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DR   EMBL; JQ706627; AFI73875.1; -; Genomic_DNA.
DR   AlphaFoldDB; I1X2G1; -.
DR   GO; GO:0018697; F:carbonyl sulfide nitrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0051536; F:iron-sulfur cluster binding; IEA:InterPro.
DR   GO; GO:0016163; F:nitrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.1980; Nitrogenase molybdenum iron protein domain; 3.
DR   InterPro; IPR000510; Nase/OxRdtase_comp1.
DR   InterPro; IPR010143; Nase_comp1_asu.
DR   InterPro; IPR000318; Nase_comp1_CS.
DR   PANTHER; PTHR43457; NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN; 1.
DR   PANTHER; PTHR43457:SF1; NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN; 1.
DR   Pfam; PF00148; Oxidored_nitro; 1.
DR   SUPFAM; SSF53807; Helical backbone' metal receptor; 1.
DR   PROSITE; PS00699; NITROGENASE_1_1; 1.
DR   PROSITE; PS00090; NITROGENASE_1_2; 1.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840};
KW   Iron {ECO:0000256|ARBA:ARBA00023004};
KW   Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW   Nitrogen fixation {ECO:0000256|ARBA:ARBA00023231,
KW   ECO:0000256|RuleBase:RU004021};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW   Oxidoreductase {ECO:0000256|ARBA:ARBA00023002}.
FT   DOMAIN          40..274
FT                   /note="Nitrogenase/oxidoreductase component 1"
FT                   /evidence="ECO:0000259|Pfam:PF00148"
FT   NON_TER         1
FT                   /evidence="ECO:0000313|EMBL:AFI73875.1"
FT   NON_TER         274
FT                   /evidence="ECO:0000313|EMBL:AFI73875.1"
SQ   SEQUENCE   274 AA;  30211 MW;  592A3BF8940171F0 CRC64;
     PEKTSKRRAK HLSVHEAGKS DCGVKSNIKS IPGVMTIRGC AYAGSKGVVW GPIKDMIHIS
     HGPVGCGQYS WGSRRNYYVG TTGIDTFVTL QFTSDFQEKD IVFGGDKKVT KLIDELQELF
     PLNRGITIQS ECPIGLIGDD IEAVSREKSK EYGGKTIVPV RCEGFRGVSQ SLGHHIANDA
     VRDWIFDKSA PEVSSKFEPT PYDVAIIGDY NIGGDAWSSR ILLEEMGLRV IAQWSGDGSL
     AELEATPKAK LNILHCYRSM NYISRHMEEK FGIP
//
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