ID C4LAS6_TOLAT Unreviewed; 482 AA.
AC C4LAS6;
DT 07-JUL-2009, integrated into UniProtKB/TrEMBL.
DT 07-JUL-2009, sequence version 1.
DT 27-MAR-2024, entry version 64.
DE RecName: Full=Nitrogenase protein alpha chain {ECO:0000256|RuleBase:RU004022};
DE EC=1.18.6.1 {ECO:0000256|RuleBase:RU004022};
GN OrderedLocusNames=Tola_0651 {ECO:0000313|EMBL:ACQ92280.1};
OS Tolumonas auensis (strain DSM 9187 / TA4).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Aeromonadales;
OC Aeromonadaceae; Tolumonas.
OX NCBI_TaxID=595494 {ECO:0000313|EMBL:ACQ92280.1, ECO:0000313|Proteomes:UP000009073};
RN [1] {ECO:0000313|Proteomes:UP000009073}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 9187 / TA4 {ECO:0000313|Proteomes:UP000009073};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D.,
RA Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C., Han C.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Spring S.,
RA Beller H.;
RT "Complete sequence of Tolumonas auensis DSM 9187.";
RL Submitted (MAY-2009) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ACQ92280.1, ECO:0000313|Proteomes:UP000009073}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 9187 / TA4 {ECO:0000313|Proteomes:UP000009073};
RX PubMed=22180815; DOI=10.4056/sigs.2184986;
RA Chertkov O., Copeland A., Lucas S., Lapidus A., Berry K.W., Detter J.C.,
RA Del Rio T.G., Hammon N., Dalin E., Tice H., Pitluck S., Richardson P.,
RA Bruce D., Goodwin L., Han C., Tapia R., Saunders E., Schmutz J.,
RA Brettin T., Larimer F., Land M., Hauser L., Spring S., Rohde M.,
RA Kyrpides N.C., Ivanova N., Goker M., Beller H.R., Klenk H.P., Woyke T.;
RT "Complete genome sequence of Tolumonas auensis type strain (TA 4).";
RL Stand. Genomic Sci. 5:112-120(2011).
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; CP001616; ACQ92280.1; -; Genomic_DNA.
DR RefSeq; WP_012728879.1; NC_012691.1.
DR AlphaFoldDB; C4LAS6; -.
DR STRING; 595494.Tola_0651; -.
DR KEGG; tau:Tola_0651; -.
DR eggNOG; COG2710; Bacteria.
DR HOGENOM; CLU_025876_1_1_6; -.
DR OrthoDB; 9762718at2; -.
DR Proteomes; UP000009073; 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};
KW Reference proteome {ECO:0000313|Proteomes:UP000009073}.
FT DOMAIN 62..466
FT /note="Nitrogenase/oxidoreductase component 1"
FT /evidence="ECO:0000259|Pfam:PF00148"
SQ SEQUENCE 482 AA; 54059 MW; A52A394916B3849B CRC64;
MTNRTREENL ALIQEVLEAY PEKARKDRAK HLTVNDPTLE KASKCITSNR KSLPGVMTIR
GCAYAGSKGV VFGPIKDMIH LSHGPVGCGQ YSRAGRRNYY TGLTGVNSFG TMNFTSDFQE
KDIVFGGDKK LTKIIDEMEM LFPLSKGITI QSECPVGLIG DDIEAVAKQA KVSTGKTVVP
VRCEGFRGVS QSLGHHIAND VVRDWILGNR DEVEFAGTPY DVAIIGDYNI GGDAWSSRIL
LEEIGLRVVA QWSGDGTLAE MENTPKVKLN LVHCYRSMNY ISRHMEEKYD IPWMEYNFFG
PTKIAESLRK IAAQFDETIQ KKAEEVIAKY EAQTAAVIAK YKPRLQGKKV MLYVGGLRPR
HVIGAYEDLG MEIVGAGYEF AHNDDYDRTL QELPEATLLF DDVTGYEFEE FVKAVKPDLI
GSGIKEKFIF QKMGIPFRQM HSWDYSGPYH GFDGFAIFAR DMDMTLNNPC WSKQTAPWKK
SA
//
