ID   K9PF03_9CYAN            Unreviewed;       535 AA.
AC   K9PF03;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   27-MAR-2024, entry version 51.
DE   SubName: Full=Precorrin-3B synthase {ECO:0000313|EMBL:AFY31137.1};
DE            EC=1.7.7.1 {ECO:0000313|EMBL:AFY31137.1};
GN   ORFNames=Cal7507_0648 {ECO:0000313|EMBL:AFY31137.1};
OS   Calothrix sp. PCC 7507.
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Calotrichaceae;
OC   Calothrix.
OX   NCBI_TaxID=99598 {ECO:0000313|EMBL:AFY31137.1, ECO:0000313|Proteomes:UP000010390};
RN   [1] {ECO:0000313|EMBL:AFY31137.1, ECO:0000313|Proteomes:UP000010390}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7507 {ECO:0000313|EMBL:AFY31137.1,
RC   ECO:0000313|Proteomes:UP000010390};
RG   US DOE Joint Genome Institute;
RA   Gugger M., Coursin T., Rippka R., Tandeau De Marsac N., Huntemann M.,
RA   Wei C.-L., Han J., Detter J.C., Han C., Tapia R., Teshima H., Chen A.,
RA   Krypides N., Mavromatis K., Markowitz V., Szeto E., Ivanova N.,
RA   Ovchinnikova G., Pagani I., Pati A., Goodwin L., Peters L., Pitluck S.,
RA   Woyke T., Kerfeld C.;
RT   "Finished genome of Calothrix sp. PCC 7507.";
RL   Submitted (APR-2012) to the EMBL/GenBank/DDBJ databases.
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DR   EMBL; CP003943; AFY31137.1; -; Genomic_DNA.
DR   AlphaFoldDB; K9PF03; -.
DR   STRING; 99598.Cal7507_0648; -.
DR   KEGG; calo:Cal7507_0648; -.
DR   PATRIC; fig|99598.3.peg.724; -.
DR   eggNOG; COG0155; Bacteria.
DR   HOGENOM; CLU_015667_2_3_3; -.
DR   Proteomes; UP000010390; Chromosome.
DR   GO; GO:0048307; F:ferredoxin-nitrite reductase activity; IEA:UniProtKB-EC.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0051536; F:iron-sulfur cluster binding; IEA:InterPro.
DR   Gene3D; 3.30.413.10; Sulfite Reductase Hemoprotein, domain 1; 2.
DR   Gene3D; 3.90.480.10; Sulfite Reductase Hemoprotein;Domain 2; 1.
DR   InterPro; IPR012798; Cbl_synth_CobG-like.
DR   InterPro; IPR005117; NiRdtase/SiRdtase_haem-b_fer.
DR   InterPro; IPR036136; Nit/Sulf_reduc_fer-like_dom_sf.
DR   InterPro; IPR006067; NO2/SO3_Rdtase_4Fe4S_dom.
DR   InterPro; IPR045854; NO2/SO3_Rdtase_4Fe4S_sf.
DR   InterPro; IPR006066; NO2/SO3_Rdtase_FeS/sirohaem_BS.
DR   NCBIfam; TIGR02435; CobG; 1.
DR   PANTHER; PTHR32439; FERREDOXIN--NITRITE REDUCTASE, CHLOROPLASTIC; 1.
DR   PANTHER; PTHR32439:SF0; FERREDOXIN--NITRITE REDUCTASE, CHLOROPLASTIC; 1.
DR   Pfam; PF01077; NIR_SIR; 2.
DR   Pfam; PF03460; NIR_SIR_ferr; 2.
DR   SUPFAM; SSF56014; Nitrite and sulphite reductase 4Fe-4S domain-like; 2.
DR   SUPFAM; SSF55124; Nitrite/Sulfite reductase N-terminal domain-like; 2.
DR   PROSITE; PS00365; NIR_SIR; 1.
PE   4: Predicted;
KW   Heme {ECO:0000256|ARBA:ARBA00022617}; Iron {ECO:0000256|ARBA:ARBA00022617};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022617};
KW   Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW   ECO:0000313|EMBL:AFY31137.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000010390}.
FT   DOMAIN          56..115
FT                   /note="Nitrite/Sulfite reductase ferredoxin-like"
FT                   /evidence="ECO:0000259|Pfam:PF03460"
FT   DOMAIN          127..275
FT                   /note="Nitrite/sulphite reductase 4Fe-4S"
FT                   /evidence="ECO:0000259|Pfam:PF01077"
FT   DOMAIN          302..368
FT                   /note="Nitrite/Sulfite reductase ferredoxin-like"
FT                   /evidence="ECO:0000259|Pfam:PF03460"
FT   DOMAIN          382..516
FT                   /note="Nitrite/sulphite reductase 4Fe-4S"
FT                   /evidence="ECO:0000259|Pfam:PF01077"
SQ   SEQUENCE   535 AA;  58488 MW;  3A14F07A114EE196 CRC64;
     MKFRDCAAAV MGLPKSECQF QGCDHLLSAL HREGVSLLLS GFSACPGLFY PTPAQDGTLS
     RIRIPGGSLN SRQLCAIAQI AHQCGGGYAD VTNRANLQIR EIHQDIDAGV MKRLQDLGLG
     SSNPAVDHIR NIMTSPTAGI DSQELIDTHP FVQGWENYIA THPELSGLSA KFSVCFDGGG
     IVSVCDRLND ITFAAVLIAG KVYFRLYLSV GAKGEPPSDT GILLLPKQCL PVLATLANVY
     LEHTDITSRR KLRFRELLNA LGCDNYLQQV QQHLPFSLFV NQQYPNITSK VSTNNYRHIG
     IHPQRQPSLY YIGVVLPLGR LETRQMKGLA DLAKKYGSDT IRLTPWQNLL ITDIPQQWVA
     DVVSELADLG LDSSPKNINS ALVACSGKKG CAASATDTKS HALGLTEYLK TRVALDRPVN
     IHVSGCAKSC AQHSKSDIAL LGISWEENNR TTEGYHIYVG NGDCNQKFGR EIYQSVAVAE
     LPTLLEQMLK VYKIQRINSS ESFGEFANRY AIAQLKHLFA SSWQRSGSGA GGRGR
//