ID   NIR_SYNE7               Reviewed;         512 AA.
AC   P39661; Q31NU9;
DT   01-FEB-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1995, sequence version 1.
DT   24-MAR-2009, entry version 58.
DE   RecName: Full=Ferredoxin--nitrite reductase;
DE            EC=1.7.7.1;
GN   Name=nirA; OrderedLocusNames=Synpcc7942_1240;
OS   Synechococcus elongatus (strain PCC 7942) (Anacystis nidulans R2).
OC   Bacteria; Cyanobacteria; Chroococcales; Synechococcus.
OX   NCBI_TaxID=1140;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Omata T.;
RL   Submitted (JUL-1992) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   MEDLINE=93257637; PubMed=8490140; DOI=10.1007/BF00023618;
RA   Luque I., Flores E., Herrero A.;
RT   "Nitrite reductase gene from Synechococcus sp. PCC 7942: homology
RT   between cyanobacterial and higher-plant nitrite reductases.";
RL   Plant Mol. Biol. 21:1201-1205(1993).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Schmutz J., Larimer F., Land M.,
RA   Kyrpides N., Lykidis A., Richardson P.;
RT   "Complete sequence of chromosome 1 of Synechococcus elongatus PCC
RT   7942.";
RL   Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
RN   [4]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 468-512.
RA   Omata T.;
RT   "Cloning and characterization of the nrtA gene that encodes a 45-kDa
RT   protein involved in nitrate transport in the cyanobacterium
RT   Synechococcus PCC 7942.";
RL   Plant Cell Physiol. 32:151-157(1991).
CC   -!- CATALYTIC ACTIVITY: NH(3) + 2 H(2)O + 6 oxidized ferredoxin =
CC       nitrite + 6 reduced ferredoxin + 7 H(+).
CC   -!- SIMILARITY: Belongs to the nitrite and sulfite reductase 4Fe-4S
CC       domain family.
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DR   EMBL; D12723; BAA02217.1; -; Genomic_DNA.
DR   EMBL; X67680; CAA47912.1; -; Genomic_DNA.
DR   EMBL; CP000100; ABB57270.1; -; Genomic_DNA.
DR   PIR; S33530; PQ0646.
DR   RefSeq; YP_400257.1; -.
DR   GeneID; 3773528; -.
DR   GenomeReviews; CP000100_GR; Synpcc7942_1240.
DR   KEGG; syf:Synpcc7942_1240; -.
DR   HOGENOM; P39661; -.
DR   BioCyc; MetaCyc:SYNPCC7942_1240-MON; -.
DR   BioCyc; SELO1140:SYNPCC7942_1240-MON; -.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0009055; F:electron carrier activity; IEA:InterPro.
DR   GO; GO:0048307; F:ferredoxin-nitrite reductase activity; IEA:EC.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0022900; P:electron transport chain; IEA:UniProtKB-KW.
DR   GO; GO:0042128; P:nitrate assimilation; IEA:UniProtKB-KW.
DR   GO; GO:0006810; P:transport; IEA:UniProtKB-KW.
DR   InterPro; IPR006066; Nir_Si_BS.
DR   InterPro; IPR006067; Nir_Sir_4Fe4S.
DR   InterPro; IPR005117; NiRdtase/SiRdtase_haem-b_fer.
DR   Pfam; PF01077; NIR_SIR; 2.
DR   Pfam; PF03460; NIR_SIR_ferr; 2.
DR   PRINTS; PR00397; SIROHAEM.
DR   PROSITE; PS00365; NIR_SIR; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; Complete proteome; Electron transport; Heme; Iron;
KW   Iron-sulfur; Metal-binding; Nitrate assimilation; Oxidoreductase;
KW   Transport.
FT   CHAIN         1    512       Ferredoxin--nitrite reductase.
FT                                /FTId=PRO_0000199957.
FT   METAL       396    396       Iron-sulfur (4Fe-4S) (By similarity).
FT   METAL       402    402       Iron-sulfur (4Fe-4S) (By similarity).
FT   METAL       437    437       Iron-sulfur (4Fe-4S) (By similarity).
FT   METAL       441    441       Iron (siroheme axial ligand) (By
FT                                similarity).
FT   METAL       441    441       Iron-sulfur (4Fe-4S) (By similarity).
SQ   SEQUENCE   512 AA;  56541 MW;  9F469CAF60E816F0 CRC64;
     MAQATATTEK LNKFEKLKLE KDGLAVRDQI QHFASIGWEA MDPGDREHRL KWLGIFWRPV
     TPGRFMARLR IPSGILQSQQ LNALANFLQR YGDQASIDIT TRQNLQLRGL LLEDTPEFLE
     RLHAVGLTSV QSGMDNVRNI TGSPVAGLDA AELFDTRSLI QALQDDLTAA GQGNSEFTNL
     PRKFNIAIEG GRDNSIHAEI NDLAFTPAYQ DGTLGFNVWV GGFFSSTRVA PAIPLNAWVP
     ADHSVIRLSR AILEVFRDNG SRGNRQKTRL MWLIDEWGIE RFRQVVSEAY GAPLAAAAPE
     LMDWEKRDFL GVHPQKQAGL NFVGLHVPVG RLTTEDLYEL ARLADTYGQG EVRLTVEQNV
     ILTHIPDAQL PTLLAEPLLT RFSPQPAPLS RGTVSCTGSQ YCNFALIETK QRAIAIAQSL
     EAELDLPRPV RIHWTGCPNS CGQPQVADIG LMGAKVRKDG QMVEGVDIFL GGKVGYDAHL
     GEKAMTGVAC EDLPDVLRQL LIERFGAQAR SH
//