ID Q0RR08_FRAAA Unreviewed; 891 AA.
AC Q0RR08;
DT 05-SEP-2006, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2006, sequence version 1.
DT 27-MAR-2024, entry version 112.
DE RecName: Full=assimilatory sulfite reductase (ferredoxin) {ECO:0000256|ARBA:ARBA00012353};
DE EC=1.8.7.1 {ECO:0000256|ARBA:ARBA00012353};
GN Name=nirB {ECO:0000313|EMBL:CAJ60015.1};
GN OrderedLocusNames=FRAAL1355 {ECO:0000313|EMBL:CAJ60015.1};
OS Frankia alni (strain DSM 45986 / CECT 9034 / ACN14a).
OC Bacteria; Actinomycetota; Actinomycetes; Frankiales; Frankiaceae; Frankia.
OX NCBI_TaxID=326424 {ECO:0000313|EMBL:CAJ60015.1, ECO:0000313|Proteomes:UP000000657};
RN [1] {ECO:0000313|EMBL:CAJ60015.1, ECO:0000313|Proteomes:UP000000657}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ACN14a {ECO:0000313|Proteomes:UP000000657};
RX PubMed=17151343; DOI=10.1101/gr.5798407;
RA Normand P., Lapierre P., Tisa L.S., Gogarten J.P., Alloisio N.,
RA Bagnarol E., Bassi C.A., Berry A.M., Bickhart D.M., Choisne N., Couloux A.,
RA Cournoyer B., Cruveiller S., Daubin V., Demange N., Francino M.P.,
RA Goltsman E., Huang Y., Kopp O.R., Labarre L., Lapidus A., Lavire C.,
RA Marechal J., Martinez M., Mastronunzio J.E., Mullin B.C., Niemann J.,
RA Pujic P., Rawnsley T., Rouy Z., Schenowitz C., Sellstedt A., Tavares F.,
RA Tomkins J.P., Vallenet D., Valverde C., Wall L.G., Wang Y., Medigue C.,
RA Benson D.R.;
RT "Genome characteristics of facultatively symbiotic Frankia sp. strains
RT reflect host range and host plant biogeography.";
RL Genome Res. 17:7-15(2007).
CC -!- FUNCTION: Catalyzes the reduction of sulfite to sulfide, a step in the
CC biosynthesis of sulfur-containing amino acids and cofactors.
CC {ECO:0000256|ARBA:ARBA00003247}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3 H2O + hydrogen sulfide + 6 oxidized [2Fe-2S]-[ferredoxin] =
CC 7 H(+) + 6 reduced [2Fe-2S]-[ferredoxin] + sulfite;
CC Xref=Rhea:RHEA:23132, Rhea:RHEA-COMP:10000, Rhea:RHEA-COMP:10001,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:17359,
CC ChEBI:CHEBI:29919, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738; EC=1.8.7.1;
CC Evidence={ECO:0000256|ARBA:ARBA00000993};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974,
CC ECO:0000256|PIRNR:PIRNR037149};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|ARBA:ARBA00001966};
CC -!- COFACTOR:
CC Name=siroheme; Xref=ChEBI:CHEBI:60052;
CC Evidence={ECO:0000256|ARBA:ARBA00001929};
CC -!- PATHWAY: Nitrogen metabolism; nitrate reduction (assimilation).
CC {ECO:0000256|ARBA:ARBA00005096}.
CC -!- SIMILARITY: Belongs to the nitrite and sulfite reductase 4Fe-4S domain
CC family. {ECO:0000256|ARBA:ARBA00010429}.
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DR EMBL; CT573213; CAJ60015.1; -; Genomic_DNA.
DR AlphaFoldDB; Q0RR08; -.
DR STRING; 326424.FRAAL1355; -.
DR KEGG; fal:FRAAL1355; -.
DR eggNOG; COG1251; Bacteria.
DR HOGENOM; CLU_003291_0_0_11; -.
DR UniPathway; UPA00653; -.
DR Proteomes; UP000000657; Chromosome.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:UniProtKB-UniRule.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0051536; F:iron-sulfur cluster binding; IEA:InterPro.
DR GO; GO:0050661; F:NADP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0008942; F:nitrite reductase [NAD(P)H] activity; IEA:UniProtKB-UniRule.
DR GO; GO:0050311; F:sulfite reductase (ferredoxin) activity; IEA:UniProtKB-EC.
DR GO; GO:0042128; P:nitrate assimilation; IEA:UniProtKB-UniRule.
DR CDD; cd19943; NirB_Fer2_BFD-like_1; 1.
DR CDD; cd19944; NirB_Fer2_BFD-like_2; 1.
DR Gene3D; 3.30.390.30; -; 1.
DR Gene3D; 1.10.10.1100; BFD-like [2Fe-2S]-binding domain; 1.
DR Gene3D; 3.50.50.60; FAD/NAD(P)-binding domain; 2.
DR Gene3D; 3.30.413.10; Sulfite Reductase Hemoprotein, domain 1; 1.
DR InterPro; IPR007419; BFD-like_2Fe2S-bd_dom.
DR InterPro; IPR041854; BFD-like_2Fe2S-bd_dom_sf.
DR InterPro; IPR036188; FAD/NAD-bd_sf.
DR InterPro; IPR023753; FAD/NAD-binding_dom.
DR InterPro; IPR016156; FAD/NAD-linked_Rdtase_dimer_sf.
DR InterPro; IPR005117; NiRdtase/SiRdtase_haem-b_fer.
DR InterPro; IPR036136; Nit/Sulf_reduc_fer-like_dom_sf.
DR InterPro; IPR012744; Nitri_red_NirB.
DR InterPro; IPR017121; Nitrite_Rdtase_lsu.
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 InterPro; IPR041575; Rubredoxin_C.
DR NCBIfam; TIGR02374; nitri_red_nirB; 1.
DR PANTHER; PTHR43809; NITRITE REDUCTASE (NADH) LARGE SUBUNIT; 1.
DR PANTHER; PTHR43809:SF1; NITRITE REDUCTASE (NADH) LARGE SUBUNIT; 1.
DR Pfam; PF04324; Fer2_BFD; 1.
DR Pfam; PF01077; NIR_SIR; 1.
DR Pfam; PF03460; NIR_SIR_ferr; 1.
DR Pfam; PF07992; Pyr_redox_2; 1.
DR Pfam; PF18267; Rubredoxin_C; 1.
DR PIRSF; PIRSF037149; NirB; 1.
DR PRINTS; PR00368; FADPNR.
DR PRINTS; PR00411; PNDRDTASEI.
DR PRINTS; PR00397; SIROHAEM.
DR SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 2.
DR SUPFAM; SSF56014; Nitrite and sulphite reductase 4Fe-4S domain-like; 1.
DR SUPFAM; SSF55124; Nitrite/Sulfite reductase N-terminal domain-like; 1.
DR PROSITE; PS00365; NIR_SIR; 1.
PE 3: Inferred from homology;
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRNR:PIRNR037149};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630,
KW ECO:0000256|PIRNR:PIRNR037149}; Heme {ECO:0000256|ARBA:ARBA00022617};
KW Iron {ECO:0000256|ARBA:ARBA00023004};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Nitrate assimilation {ECO:0000256|ARBA:ARBA00023063,
KW ECO:0000256|PIRNR:PIRNR037149};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000313|EMBL:CAJ60015.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000000657};
KW Thioether bond {ECO:0000256|ARBA:ARBA00022784}.
FT DOMAIN 10..298
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 331..397
FT /note="NADH-rubredoxin oxidoreductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF18267"
FT DOMAIN 431..479
FT /note="BFD-like [2Fe-2S]-binding"
FT /evidence="ECO:0000259|Pfam:PF04324"
FT DOMAIN 568..630
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 640..778
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
FT REGION 855..891
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 891 AA; 93589 MW; DB78CFE93B2F092A CRC64;
MGGARMSARS LVVVGHGMVG HRLCEALRER DAGQVWDVTV LAEEPRPAYD RVGLSAYFTG
STADDLSLVA AGFLDHPRLR VRLGEPVVAV DRATRTVRTA PGHSYRYDAL VLATGSSPFV
PPVPGREAAG CHVYRTIEDL DAISASARSS RTGTGVVIGG GLLGLEAANA LRSLGLTTHV
VEFAPRLMPA QVDDAGGQTL RAHITGLGIG VHTDTATERI EADADGRVAR LVFGRHPEGL
AGLDADVVVF SAGIRPRDEL ARACGLPVGE RGGVVVDEGC RTGDEHVYAI GECAAAGGRV
YGLVAPGYAM AEVVADRLLG GAATFTGADL STKLKLLGVD VASFGDAFAA TPGALPITFA
DPVTGVYKKL VLSDDAASVL GGILVGDAGE YGTLRALVGA AGAVPDDPAR LILPAGDGDG
AGVALPAEAQ ICSCNNVTHG QICAAIGDHG LTDVAGLKGC TNAGTSCGSC VPMLKTILGQ
QLAAAGIAVS TALCEHFDHS RAELFELVRV RGITTFSQLI GEHGRGRGCE VCRPVVASIL
ASIHNGYILD GERAALQDTN DHLLANMQKD GTYSVIPRLP GGEVTPEALI LIGEVARDFH
LYTKITGGQR IDLLGARAED LPKIWKRLTD AGLESGHAYG KSLRTVKSCV GETWCRYGVQ
DSTTLAIDLE LRYRGLRSPH KIKMAVSGCA RECAEARSKD VGVIATELGW NLYLGGNGGH
RPRHAELFAA DLDTETLVRY IDRFLMFYVR TADRLQRTAP WVEGLDGGLA HVREVIVEDS
LGICAELDAA MEHHVDTYQD EWKATLADPV ALRRFTSFVN APDTPDPDIL HVLDRGQPRP
ARDAERVALI AGTTLPVVRQ PGPPESAAAP APAATPALAL PDPAETTWRS A
//
