ID I4CES9_DESTA Unreviewed; 457 AA.
AC I4CES9;
DT 05-SEP-2012, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2012, sequence version 1.
DT 27-MAR-2024, entry version 48.
DE RecName: Full=Nitrogenase molybdenum-iron protein beta chain {ECO:0000256|ARBA:ARBA00014775, ECO:0000256|RuleBase:RU364127};
DE EC=1.18.6.1 {ECO:0000256|ARBA:ARBA00012773, ECO:0000256|RuleBase:RU364127};
DE AltName: Full=Dinitrogenase {ECO:0000256|RuleBase:RU364127};
GN OrderedLocusNames=Desti_5488 {ECO:0000313|EMBL:AFM28070.1};
OS Desulfomonile tiedjei (strain ATCC 49306 / DSM 6799 / DCB-1).
OC Bacteria; Thermodesulfobacteriota; Desulfomonilia; Desulfomonilales;
OC Desulfomonilaceae; Desulfomonile.
OX NCBI_TaxID=706587 {ECO:0000313|EMBL:AFM28070.1, ECO:0000313|Proteomes:UP000006055};
RN [1] {ECO:0000313|Proteomes:UP000006055}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49306 / DSM 6799 / DCB-1
RC {ECO:0000313|Proteomes:UP000006055};
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Peters L., Ovchinnikova G., Zeytun A.,
RA Lu M., Kyrpides N., Mavromatis K., Ivanova N., Brettin T., Detter J.C.,
RA Han C., Larimer F., Land M., Hauser L., Markowitz V., Cheng J.-F.,
RA Hugenholtz P., Woyke T., Wu D., Spring S., Schroeder M., Brambilla E.,
RA Klenk H.-P., Eisen J.A.;
RT "Complete sequence of chromosome of Desulfomonile tiedjei DSM 6799.";
RL Submitted (JUN-2012) 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 ECO:0000256|RuleBase:RU364127}.
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:RU364127};
CC -!- COFACTOR:
CC Name=[8Fe-7S] cluster; Xref=ChEBI:CHEBI:21143;
CC Evidence={ECO:0000256|RuleBase:RU364127};
CC Note=Binds 1 [8Fe-7S] cluster per heterodimer.
CC {ECO:0000256|RuleBase:RU364127};
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, ECO:0000256|RuleBase:RU364127}.
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; CP003360; AFM28070.1; -; Genomic_DNA.
DR RefSeq; WP_014813169.1; NC_018025.1.
DR AlphaFoldDB; I4CES9; -.
DR STRING; 706587.Desti_5488; -.
DR KEGG; dti:Desti_5488; -.
DR PATRIC; fig|706587.4.peg.6181; -.
DR eggNOG; COG2710; Bacteria.
DR HOGENOM; CLU_025876_2_0_7; -.
DR OrthoDB; 9762718at2; -.
DR Proteomes; UP000006055; 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 Gene3D; 3.40.50.1980; Nitrogenase molybdenum iron protein domain; 3.
DR Gene3D; 1.20.89.10; Nitrogenase Molybdenum-iron Protein, subunit B, domain 4; 1.
DR InterPro; IPR000510; Nase/OxRdtase_comp1.
DR InterPro; IPR000318; Nase_comp1_CS.
DR InterPro; IPR005976; Nase_Mo-Fe_CF_bsu.
DR NCBIfam; TIGR01286; nifK; 1.
DR PANTHER; PTHR33712; LIGHT-INDEPENDENT PROTOCHLOROPHYLLIDE REDUCTASE SUBUNIT B; 1.
DR PANTHER; PTHR33712:SF7; LIGHT-INDEPENDENT PROTOCHLOROPHYLLIDE REDUCTASE SUBUNIT B; 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|RuleBase:RU364127};
KW Iron {ECO:0000256|RuleBase:RU364127};
KW Iron-sulfur {ECO:0000256|RuleBase:RU364127};
KW Metal-binding {ECO:0000256|RuleBase:RU364127};
KW Nitrogen fixation {ECO:0000256|ARBA:ARBA00023231,
KW ECO:0000256|RuleBase:RU004021};
KW Nucleotide-binding {ECO:0000256|RuleBase:RU364127};
KW Oxidoreductase {ECO:0000256|RuleBase:RU364127,
KW ECO:0000313|EMBL:AFM28070.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000006055}.
FT DOMAIN 23..440
FT /note="Nitrogenase/oxidoreductase component 1"
FT /evidence="ECO:0000259|Pfam:PF00148"
SQ SEQUENCE 457 AA; 50727 MW; 9AD8F6454474264A CRC64;
MLDMTPKNIV ERTALRINPA KTCQPIGAMY AALGIHRCLP HSHGSQGCCS YHRSHLTRHY
KEPVVASTSS FTEGAAVFGG APNLRQSLKT IFQVYDPDVV AVHTTCLSET IGDDIPSMIK
KAREDDLIPD GKWVIHANTP SYVGSHVTGF STMTKAMVDY FADRDLQNSR RINILPGYVE
PPDMRELKRM SSEMGVEAIV FPDTSDVLDT PMTGQYQMYP KGGARIESLM AVGGSAYTLG
LGSFASEAAA TALETKCSVP FRMLDLPLGV RATDRFVQAI MEVTENEPPE TMIFDRGRLV
DVMTDMQHYL YNKTVAIFGD PDHMISLTDF LVSAGMKPVF VITGTPGKRF EQRVKDILKG
VVPNPRVHAA ADLFYLHQLI KNDPVDLIIG NTYGKYIAKA EDIPFVRFGF PILDRVGHSY
FPTLGYRGGI HLLMNIVNTI LDRQDRDAPD ERFELVM
//
