ID A0A498EF79_9ACTN Unreviewed; 565 AA.
AC A0A498EF79;
DT 05-JUN-2019, integrated into UniProtKB/TrEMBL.
DT 05-JUN-2019, sequence version 1.
DT 27-MAR-2024, entry version 19.
DE RecName: Full=assimilatory sulfite reductase (ferredoxin) {ECO:0000256|ARBA:ARBA00012353};
DE EC=1.8.7.1 {ECO:0000256|ARBA:ARBA00012353};
GN ORFNames=D7M15_24365 {ECO:0000313|EMBL:RLL69444.1};
OS Streptomyces sp. Z26.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=2500177 {ECO:0000313|EMBL:RLL69444.1, ECO:0000313|Proteomes:UP000288048};
RN [1] {ECO:0000313|EMBL:RLL69444.1, ECO:0000313|Proteomes:UP000288048}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Z26 {ECO:0000313|EMBL:RLL69444.1,
RC ECO:0000313|Proteomes:UP000288048};
RA Buchmann A., Cano-Prieto C., Baz M., Hassani L., Barakate M., Nafis A.,
RA Niedermeyer T.H.J., Gross H.;
RT "Draft Genome Sequence of the Novonestmycin-Producing Strain Streptomyces
RT sp. Z26, isolated from potato rhizosphere in Morocco.";
RL Submitted (OCT-2018) 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:RLL69444.1}.
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DR EMBL; RCHV01000002; RLL69444.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A498EF79; -.
DR OrthoDB; 3189055at2; -.
DR Proteomes; UP000288048; Unassembled WGS sequence.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0051536; F:iron-sulfur cluster binding; IEA:InterPro.
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:UP000288048};
KW Thioether bond {ECO:0000256|ARBA:ARBA00022784}.
FT DOMAIN 101..162
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 172..323
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
FT DOMAIN 349..414
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 425..559
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
FT REGION 1..46
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 9..23
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 565 AA; 62504 MW; B6B727E8882FF227 CRC64;
MADSPQTPAA ERPRRKVSRH RGEGQWAAGH FTPLNGNEQT KKDDDGLNVR TRIETIYAHG
DFDSIDGADL RGRMRWWGLY TQRKPGISGG KTAVLEPEEL DDEFFMMRVR IDGGALTTRQ
LRVIGEISQE FARGTADITN RQNVQFHWIR IEDVPEIWRR LEGVGLSTTE ACGDTPRVVL
GSPVAGIAKD EIIDGTPAVD EITRRIVGNK AYSNLPRKFK TAVSGSPLLD VAHEINDVAF
VGVEHPELGP GFDVWVGGGL STNPKIGVRL GAWVPLEDVA DVHEGVVSIF RDYGYRRLRT
RARLKFLVAD WGPEKFRRVL ESEYLLRTLD DGPAPDQPLQ RWRDHVGVHE QRDGRFYVGF
APRVGRVDGA TLGKIADLAE AHGSGRVRTT VEQKMLVLDV PEEEVASLRE GLSALGLSSA
PSAFRRGTMA CTGLEFCKLA IVETKQRGMD LIDELEQRLP EFDEPVTINV NGCPNSCARI
QVADIGLKGQ LVTDGSGEQV EGYQVHLGGS LGMEPGFGRK VRGLKVTADE LPDYVERVLR
AFQEQRTDGE RFAQWAARAD EGALK
//
