ID G7LJX5_9GAMM Unreviewed; 482 AA.
AC G7LJX5;
DT 25-JAN-2012, integrated into UniProtKB/TrEMBL.
DT 25-JAN-2012, sequence version 1.
DT 27-MAR-2024, entry version 34.
DE RecName: Full=Nitrogenase protein alpha chain {ECO:0000256|RuleBase:RU004022};
DE EC=1.18.6.1 {ECO:0000256|RuleBase:RU004022};
GN ORFNames=BrE312_1975 {ECO:0000313|EMBL:EHD21361.1};
OS Brenneria sp. EniD312.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Pectobacteriaceae; Brenneria.
OX NCBI_TaxID=598467 {ECO:0000313|EMBL:EHD21361.1};
RN [1] {ECO:0000313|EMBL:EHD21361.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=EniD312 {ECO:0000313|EMBL:EHD21361.1};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Mikhailova N., Monk A.C., Detter J.C., Han C., Tapia R.,
RA Land M., Hauser L., Kyrpides N., Ivanova N., Pagani I., Balakrishnan V.,
RA Glasner J., Perna N., Woyke T.;
RT "Complete sequence of Brenneria sp. EniD312.";
RL Submitted (JUL-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: This molybdenum-iron protein is part of the nitrogenase
CC complex that catalyzes the key enzymatic reactions in nitrogen
CC fixation. {ECO:0000256|ARBA:ARBA00002621}.
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 ECO:0000256|RuleBase:RU004022};
CC -!- COFACTOR:
CC Name=[7Fe-Mo-9S-C-homocitryl] cluster; Xref=ChEBI:CHEBI:30409;
CC Evidence={ECO:0000256|ARBA:ARBA00001969};
CC -!- COFACTOR:
CC Name=[8Fe-7S] cluster; Xref=ChEBI:CHEBI:21143;
CC Evidence={ECO:0000256|ARBA:ARBA00001919};
CC -!- SUBUNIT: Tetramer of two alpha and two beta chains. Forms complex with
CC the iron protein (nitrogenase component 2).
CC {ECO:0000256|ARBA:ARBA00011462}.
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; CM001230; EHD21361.1; -; Genomic_DNA.
DR RefSeq; WP_009112665.1; NZ_CM001230.1.
DR AlphaFoldDB; G7LJX5; -.
DR STRING; 598467.BrE312_1975; -.
DR eggNOG; COG2710; Bacteria.
DR HOGENOM; CLU_025876_1_1_6; -.
DR Proteomes; UP000002759; Chromosome.
DR GO; GO:0016612; C:molybdenum-iron nitrogenase complex; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0018697; F:carbonyl sulfide nitrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0051536; F:iron-sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0016163; F:nitrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0009399; P:nitrogen fixation; IEA:UniProtKB-KW.
DR CDD; cd01976; Nitrogenase_MoFe_alpha; 1.
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 InterPro; IPR005972; Nase_Mo-Fe_asu.
DR NCBIfam; TIGR01862; N2-ase-Ialpha; 1.
DR NCBIfam; TIGR01282; nifD; 1.
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, ECO:0000256|RuleBase:RU004022};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU004022}; Molybdenum {ECO:0000256|ARBA:ARBA00022505};
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,
KW ECO:0000256|RuleBase:RU004022}.
FT DOMAIN 62..466
FT /note="Nitrogenase/oxidoreductase component 1"
FT /evidence="ECO:0000259|Pfam:PF00148"
SQ SEQUENCE 482 AA; 53964 MW; 3940FBA8F793FBF9 CRC64;
MTDTIIQRNQ ALIQEVLEVF PDKTRKERAK HIMTVEPGME SVGKCMISNR KSQPGVMTVR
GCAYAGSKGV VFGPIKDMAH ISHGPIGCGQ YSRAGRRNYY TGTSGIDSFG TVNFTSDFQE
KDIVFGGDKK LRQLIDELEL LFPLTKGISI QSECPVGLIG DDIEAVARSA KEQLGKPVIP
VRCEGFRGVS QSLGHHIAND VIRDWVLPAR DDQPFAATPY DVAIIGDYNI GGDAWSSRIL
LEEMGLRVVA QWSGGGTLVE MEKTPKVKLN LVHCYRSMNY ISRHMEEKYG IPWMEYNFFG
PTQIAASLRK IAALFDGAIQ ANAEAVIARY QAQTDAVIAK YRPRLEGKKV LLYVGGLRPR
HVIGAYEDLG MEIMAAGYEF AHNDDYDRTL PDLKEGTLLF DDLSTYELEE FVKRLKPDLV
GSGIKEKYVF QKLGMPFRQM HSWDYSGPYH GYDGFAIFAR DMDMTLNNPC WTQLRAPWLQ
SA
//
