ID A8L2C2_FRASN Unreviewed; 518 AA.
AC A8L2C2;
DT 04-DEC-2007, integrated into UniProtKB/TrEMBL.
DT 04-DEC-2007, sequence version 1.
DT 27-MAR-2024, entry version 86.
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 ORFNames=Franean1_6879 {ECO:0000313|EMBL:ABW16213.1};
OS Frankia sp. (strain EAN1pec).
OC Bacteria; Actinomycetota; Actinomycetes; Frankiales; Frankiaceae; Frankia.
OX NCBI_TaxID=298653 {ECO:0000313|EMBL:ABW16213.1};
RN [1] {ECO:0000313|EMBL:ABW16213.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=EAN1.pec {ECO:0000313|EMBL:ABW16213.1};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Hammon N.,
RA Israni S., Dalin E., Tice H., Pitluck S., Saunders E., Brettin T.,
RA Bruce D., Detter J.C., Han C., Schmutz J., Larimer F., Land M., Hauser L.,
RA Kyrpides N., Kim E., Rawnsley T., Niemann J., Benson D.R., Huang Y.,
RA Mastronunzio J., Bassi C.A., Tisa L.S., Richardson P.;
RT "Complete sequence of Frankia sp. EAN1pec.";
RL Submitted (AUG-2007) 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; CP000820; ABW16213.1; -; Genomic_DNA.
DR AlphaFoldDB; A8L2C2; -.
DR STRING; 298653.Franean1_6879; -.
DR KEGG; fre:Franean1_6879; -.
DR eggNOG; COG2710; Bacteria.
DR HOGENOM; CLU_025876_2_0_11; -.
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; cd01974; Nitrogenase_MoFe_beta; 1.
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 InterPro; IPR024564; Nase_Mo-Fe_CF_bsu_N.
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; PF11844; DUF3364; 1.
DR Pfam; PF00148; Oxidored_nitro; 1.
DR SUPFAM; SSF53807; Helical backbone' metal receptor; 1.
DR PROSITE; PS00699; NITROGENASE_1_1; 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:ABW16213.1}.
FT DOMAIN 14..62
FT /note="Nitrogenase molybdenum-iron protein beta chain N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF11844"
FT DOMAIN 76..501
FT /note="Nitrogenase/oxidoreductase component 1"
FT /evidence="ECO:0000259|Pfam:PF00148"
SQ SEQUENCE 518 AA; 56945 MW; 19B41805B6958C11 CRC64;
MTTTPETGSS IPLRVLDHSE LFKDEVYQKQ FEGKTEFENG SDSAEVARVL EWTRGWEYRE
KNFAREALTV NPAKACQPLG AVLAGLGFQG TLPLVHGSQG CVAYFRSHFA RHFKEPVPAA
STSMTEDAAV FGGLNNLVEA LENATSLYKP KMVAVSTTCM AEVIGEDLFA YIGAAKEKEV
ISTDYPVPYA HTPSFVGSHI TGYDSMLKGI LENLTKSADA TEPKAGGKPR LNIIPGFETY
TGNLREYRRV LELMGVDPLI LGDHADSLDS PADGEYDLYP GGTPLAEAAK AKFSRATVLL
QESATRKTTE LIRDVWKQDT LVLETPIGVR GTDQFLTEIA RLAGVEIPAE LTVERGRLVD
ALTDSHAYLH GKRVAIAGDP DLVVALTRFV LELGMIPVHV LSTNADTTFK ARMEKVLSAS
KFGEAATVWP EKDLWHLRSL VFTEPVDLLI GSTYLKYISR EANVPLVRVG FPIFDRHHLH
RFPIVGYTGG LHLLTQLVNT VLDELDRTSP DHSYDAVR
//
