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
//