ID   B6CJE6_9ZZZZ            Unreviewed;       238 AA.
AC   B6CJE6;
DT   25-NOV-2008, integrated into UniProtKB/TrEMBL.
DT   25-NOV-2008, sequence version 1.
DT   27-MAR-2024, entry version 16.
DE   SubName: Full=Nitrogenase MoFe protein alpha-subunit {ECO:0000313|EMBL:ABZ80679.1};
DE   Flags: Fragment;
GN   Name=nifD {ECO:0000313|EMBL:ABZ80679.1};
OS   uncultured marine microorganism.
OC   unclassified sequences; environmental samples.
OX   NCBI_TaxID=415540 {ECO:0000313|EMBL:ABZ80679.1};
RN   [1] {ECO:0000313|EMBL:ABZ80679.1}
RP   NUCLEOTIDE SEQUENCE.
RX   PubMed=19008448; DOI=10.1126/science.1165340;
RA   Zehr J.P., Bench S.R., Carter B.J., Hewson I., Niazi F., Shi T.,
RA   Tripp H.J., Affourtit J.P.;
RT   "Globally distributed uncultivated oceanic N2-fixing cyanobacteria lack
RT   oxygenic photosystem II.";
RL   Science 322:1110-1112(2008).
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DR   EMBL; EU187580; ABZ80679.1; -; Genomic_DNA.
DR   AlphaFoldDB; B6CJE6; -.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
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:InterPro.
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   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.
PE   4: Predicted;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840};
KW   Iron {ECO:0000256|ARBA:ARBA00023004};
KW   Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741};
KW   Oxidoreductase {ECO:0000256|ARBA:ARBA00023002}.
FT   DOMAIN          21..238
FT                   /note="Nitrogenase/oxidoreductase component 1"
FT                   /evidence="ECO:0000259|Pfam:PF00148"
FT   NON_TER         1
FT                   /evidence="ECO:0000313|EMBL:ABZ80679.1"
FT   NON_TER         238
FT                   /evidence="ECO:0000313|EMBL:ABZ80679.1"
SQ   SEQUENCE   238 AA;  27095 MW;  705CFC6328F0C060 CRC64;
     HHIANDVIRD WVFPVADKEI AEKGNEGTPY DVAIIGDYNI GGDAWSSRIL LEEMGLRVIA
     QWSGDGTFTE MKATPSVKLN LVHCYRSTNY ISRHMEEKYG IPWLEYNFFG PSKIIESLRA
     IAERFDDTIK QKAEAVIAKY KEQADGIVAK YRPRLEGKTV MMMVGGLRPR HVVPAFKDLG
     MEIIGTGYEF AHGDDYKRTT HYVKDATLIY DDVTGYEFEE FVKELKPDLV AAGIKEKY
//