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Database: UniProt
Entry: A0A1A3BVH6_9MYCO
LinkDB: A0A1A3BVH6_9MYCO
Original site: A0A1A3BVH6_9MYCO 
ID   A0A1A3BVH6_9MYCO        Unreviewed;       558 AA.
AC   A0A1A3BVH6;
DT   05-OCT-2016, integrated into UniProtKB/TrEMBL.
DT   05-OCT-2016, sequence version 1.
DT   24-JAN-2024, entry version 34.
DE   RecName: Full=assimilatory sulfite reductase (ferredoxin) {ECO:0000256|ARBA:ARBA00012353};
DE            EC=1.8.7.1 {ECO:0000256|ARBA:ARBA00012353};
GN   ORFNames=A5663_22055 {ECO:0000313|EMBL:OBI77406.1};
OS   Mycobacterium sp. E740.
OC   Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Mycobacteriaceae;
OC   Mycobacterium.
OX   NCBI_TaxID=1834149 {ECO:0000313|EMBL:OBI77406.1, ECO:0000313|Proteomes:UP000092151};
RN   [1] {ECO:0000313|Proteomes:UP000092151}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=E740 {ECO:0000313|Proteomes:UP000092151};
RA   Sutton G., Brinkac L., Sanka R., Adams M., Lau E., Sam S., Sreng N.,
RA   Him V., Kerleguer A., Cheng S.;
RL   Submitted (JUN-2016) to the EMBL/GenBank/DDBJ databases.
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=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000256|ARBA:ARBA00001966};
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:OBI77406.1}.
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DR   EMBL; LZKP01000140; OBI77406.1; -; Genomic_DNA.
DR   RefSeq; WP_068149424.1; NZ_LZKP01000140.1.
DR   AlphaFoldDB; A0A1A3BVH6; -.
DR   STRING; 1834149.A5663_22055; -.
DR   OrthoDB; 3189055at2; -.
DR   Proteomes; UP000092151; Unassembled WGS sequence.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0050311; F:sulfite reductase (ferredoxin) activity; IEA:UniProtKB-EC.
DR   Gene3D; 3.90.480.20; -; 1.
DR   Gene3D; 3.30.413.10; Sulfite Reductase Hemoprotein, domain 1; 2.
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   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   PRINTS; PR00397; SIROHAEM.
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   Reference proteome {ECO:0000313|Proteomes:UP000092151};
KW   Thioether bond {ECO:0000256|ARBA:ARBA00022784}.
FT   DOMAIN          95..155
FT                   /note="Nitrite/Sulfite reductase ferredoxin-like"
FT                   /evidence="ECO:0000259|Pfam:PF03460"
FT   DOMAIN          164..318
FT                   /note="Nitrite/sulphite reductase 4Fe-4S"
FT                   /evidence="ECO:0000259|Pfam:PF01077"
FT   DOMAIN          341..403
FT                   /note="Nitrite/Sulfite reductase ferredoxin-like"
FT                   /evidence="ECO:0000259|Pfam:PF03460"
FT   DOMAIN          416..553
FT                   /note="Nitrite/sulphite reductase 4Fe-4S"
FT                   /evidence="ECO:0000259|Pfam:PF01077"
SQ   SEQUENCE   558 AA;  62285 MW;  53CDB824ECCD3FFF CRC64;
     MTTTESKPAK RTRAEGQWKL GYREPLNANE QLKKDDDALN VRARILDVYS KTGFDGIDKT
     DLRGRFRWMG LYTQREQGYD GTWTGDENAD LLEAKYFMMR VRCDGKALSA AALRTLGQIS
     IDFARDTADI SDRMNLQYHW LEVENVPEIW ERLAAHDLQT TEACGDCPRG MLGSPLAGLS
     LDEVLDPTPA LDEIVRRYIG NPEYSNLPRK YKTAISGLQD VAHEVNDISF IGVNHPEHGP
     GLDLWVGGGL STNPMLAQRL GAWVPLDEVP DVWEAVTAVF RDYGYRRLRS KARLKFLIKD
     WGVEKFRQVL EDEYLGRKLI DGPAPEPVKH PIDHVGIQKL KNGLNAVGVA PIAGRVSGTI
     LTQVADLAEA AGSDRIRFTP YQKLIILDVP DDKVGELSTG LEALGLPPEP SHWRKNLMAC
     TGIEFCKLSF TETRTRAQVL VPELEKRLED INAQLDVPIT VNINGCPNSC ARIQVADIGF
     KGQMVDDGEG NSVEGFQVHL GGSLGLDSGF GRKLRQHKVL SSELGDYIDR VVRNFVKQRE
     HGERFATWAL RADEADLR
//
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