ID C0ZX30_RHOE4 Unreviewed; 833 AA.
AC C0ZX30;
DT 26-MAY-2009, integrated into UniProtKB/TrEMBL.
DT 26-MAY-2009, sequence version 1.
DT 24-JAN-2024, entry version 91.
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:BAH32915.1};
GN OrderedLocusNames=RER_22070 {ECO:0000313|EMBL:BAH32915.1};
OS Rhodococcus erythropolis (strain PR4 / NBRC 100887).
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Nocardiaceae;
OC Rhodococcus; Rhodococcus erythropolis group.
OX NCBI_TaxID=234621 {ECO:0000313|EMBL:BAH32915.1, ECO:0000313|Proteomes:UP000002204};
RN [1] {ECO:0000313|Proteomes:UP000002204}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PR4 / NBRC 100887 {ECO:0000313|Proteomes:UP000002204};
RA Takarada H., Sekine M., Hosoyama A., Yamada R., Fujisawa T., Omata S.,
RA Shimizu A., Tsukatani N., Tanikawa S., Fujita N., Harayama S.;
RT "Comparison of the complete genome sequences of Rhodococcus erythropolis
RT PR4 and Rhodococcus opacus B4.";
RL Submitted (MAR-2005) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:BAH32915.1, ECO:0000313|Proteomes:UP000002204}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PR4 / NBRC 100887 {ECO:0000313|Proteomes:UP000002204};
RX PubMed=16423019; DOI=10.1111/j.1462-2920.2005.00899.x;
RA Sekine M., Tanikawa S., Omata S., Saito M., Fujisawa T., Tsukatani N.,
RA Tajima T., Sekigawa T., Kosugi H., Matsuo Y., Nishiko R., Imamura K.,
RA Ito M., Narita H., Tago S., Fujita N., Harayama S.;
RT "Sequence analysis of three plasmids harboured in Rhodococcus erythropolis
RT strain PR4.";
RL Environ. Microbiol. 8:334-346(2006).
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};
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DR EMBL; AP008957; BAH32915.1; -; Genomic_DNA.
DR RefSeq; WP_020907121.1; NC_012490.1.
DR AlphaFoldDB; C0ZX30; -.
DR KEGG; rer:RER_22070; -.
DR PATRIC; fig|234621.6.peg.2710; -.
DR eggNOG; COG1251; Bacteria.
DR HOGENOM; CLU_003291_0_0_11; -.
DR OMA; IVIGHGM; -.
DR UniPathway; UPA00653; -.
DR Proteomes; UP000002204; Chromosome.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:UniProtKB-UniRule.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
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; 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; 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 4: Predicted;
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:ARBA00022617};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022617};
KW Nitrate assimilation {ECO:0000256|ARBA:ARBA00023063,
KW ECO:0000256|PIRNR:PIRNR037149};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000313|EMBL:BAH32915.1};
KW Thioether bond {ECO:0000256|ARBA:ARBA00022784}.
FT DOMAIN 4..283
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 320..387
FT /note="NADH-rubredoxin oxidoreductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF18267"
FT DOMAIN 417..464
FT /note="BFD-like [2Fe-2S]-binding"
FT /evidence="ECO:0000259|Pfam:PF04324"
FT DOMAIN 549..610
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 621..757
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
SQ SEQUENCE 833 AA; 87021 MW; 963197B55FA862D8 CRC64;
MSKSVVVIGH GMVGHRFVEA LRSRDEANNW SVTVLCDEQY AAYDRVGLSS YVGAWDPKEL
ALAGNDYVGD SLVDLRVGEG ALSIDKDART VTTTTGETIS YDALVMATGS YPFVPPVPGH
DGDGCFVYRT LDDLDGIRAA AEKAGPGAVG VVVGGGLLGL EAANALSLMG MTAHVVEHNA
RLMPMQVDEG GGALLARLVT ELGLTVHTGV GTAGISQADN GIVVELSDGS TIDASLLVFS
AGVRPRDQLA RDAGIAVGER GGILTDLGCV TSDENIYAVG ECAAVEGRCY GLVAPGYTTA
EIVADRLLGG AADFPGADMS TKLKLMGVDV ASFGDAMATS PGALEVVLSD ASKGTYAKLV
VSDDAKILLG GILVGDASAY ASLRPLVGRE LPGDPATLIS PAGEKPGAGS LPDDAEVCSC
NAVTKGAICG AIAAGACDIA SVKACTSAGT TCGGCLPTVK QLLADSGVVM SKALCEHFAQ
SRAELFQIVQ STQTRTFSAL IAKYGKGAGC DICKPVVASI LASTDSDHIL HRQQASLQDT
NDHFLANIQK NGTYSVVPRM PGGEVTGEQL IVIGEVARDF GLYTKVTGGQ RIDLFGARVE
QLPAIWKRLV DAGMESGQAY GKSLRTVKSC VGSSWCRYGV QDSVGMAVDL ENRYRGLRSP
HKIKFGVSGC ARECAEARGK DVGVIATENG WNLYVGGNGG QSPKHAQLLA GGLDDATLVK
YIDRYLMFYI RTADRLQRTA PWVESLEGGL DHLKAVICED SLGIGEELEA LMAKHVEGYQ
DEWAGVLGDP EKLSRFVSFV NAPEEADPTV VFDETGVRKV PVLMGMPSIP TRR
//