ID I9LI29_9FIRM Unreviewed; 521 AA.
AC I9LI29;
DT 03-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 03-OCT-2012, sequence version 1.
DT 27-MAR-2024, entry version 28.
DE RecName: Full=Nitrogenase protein alpha chain {ECO:0000256|RuleBase:RU004022};
DE EC=1.18.6.1 {ECO:0000256|RuleBase:RU004022};
GN ORFNames=FB4_2478 {ECO:0000313|EMBL:EIW20046.1};
OS Pelosinus fermentans B4.
OC Bacteria; Bacillota; Negativicutes; Selenomonadales; Sporomusaceae;
OC Pelosinus.
OX NCBI_TaxID=1149862 {ECO:0000313|EMBL:EIW20046.1, ECO:0000313|Proteomes:UP000004324};
RN [1] {ECO:0000313|EMBL:EIW20046.1, ECO:0000313|Proteomes:UP000004324}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B4 {ECO:0000313|EMBL:EIW20046.1,
RC ECO:0000313|Proteomes:UP000004324};
RX PubMed=22933770; DOI=10.1128/JB.01174-12;
RA Brown S.D., Podar M., Klingeman D.M., Johnson C.M., Yang Z.K.,
RA Utturkar S.M., Land M.L., Mosher J.J., Hurt R.A.Jr., Phelps T.J.,
RA Palumbo A.V., Arkin A.P., Hazen T.C., Elias D.A.;
RT "Draft Genome Sequences for Two Metal-Reducing Pelosinus fermentans Strains
RT Isolated from a Cr(VI)-Contaminated Site and for Type Strain R7.";
RL J. Bacteriol. 194:5147-5148(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 ECO:0000256|RuleBase:RU004022};
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|RuleBase:RU004021}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EIW20046.1}.
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DR EMBL; AKVJ01000010; EIW20046.1; -; Genomic_DNA.
DR RefSeq; WP_007931490.1; NZ_AKVJ01000010.1.
DR AlphaFoldDB; I9LI29; -.
DR PATRIC; fig|1149862.3.peg.763; -.
DR OrthoDB; 9767044at2; -.
DR Proteomes; UP000004324; Unassembled WGS sequence.
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; cd01977; Nitrogenase_VFe_alpha; 1.
DR Gene3D; 3.40.50.1980; Nitrogenase molybdenum iron protein domain; 3.
DR InterPro; IPR000510; Nase/OxRdtase_comp1.
DR InterPro; IPR005974; Nase_asu.
DR InterPro; IPR010143; Nase_comp1_asu.
DR InterPro; IPR000318; Nase_comp1_CS.
DR InterPro; IPR011290; Nase_Fe-Fe_asu.
DR NCBIfam; TIGR01284; alt_nitrog_alph; 1.
DR NCBIfam; TIGR01861; ANFD; 1.
DR NCBIfam; TIGR01862; N2-ase-Ialpha; 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};
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 49..447
FT /note="Nitrogenase/oxidoreductase component 1"
FT /evidence="ECO:0000259|Pfam:PF00148"
SQ SEQUENCE 521 AA; 58825 MW; 1D00D1A04F9982B0 CRC64;
MPYHKFKCSE CIPEREKHAV IKGPGEDITS ALPLGYLNTI PGSISERGCA YCGAKHVIGT
PMKDVIHMSH GPVGCTYDTW QTKRYISDND NFQLKYTYAT DMKEKHIIFG AEKLLKQNII
EAFKAFPTIK RMTLYQTCAS ALIGDDINAI AAEVMEEMPE VDIFVCNSPG FGGPSQSGGH
HKINIAWINQ KVGNVEPKIT SDYVINYVGE YNIQGDQEVM VDYFRRMGIQ VLSTFTGNGS
YDDLRSMHRA HLNVLECARS AEYICNELKV RYGTPRLDID GFGFEALGTS LRKVGLFFGI
EDRAQAIIDE ETARWKPEMD WYKERLQGKK VCLWPGGSKL WHWAHAIRED MGVNVVSVYT
KFGHQGDMEK GIARCEEGAL AIDDPNELEA LEALEMLKPD IIFTGKRPGE VAKKLRVPYL
NAHAYHNGPY KGFEGWVRFA RDIYNAIYSP IHQLSFVDIS KDEIPDQTSF LTQKMISDVN
LSEEVTASKE LREYTGNYDT ITALRNKTYP DFPAEKKLSA V
//
