ID A0A2U2ZQT2_9ACTN Unreviewed; 565 AA.
AC A0A2U2ZQT2;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 27-MAR-2024, entry version 23.
DE RecName: Full=assimilatory sulfite reductase (ferredoxin) {ECO:0000256|ARBA:ARBA00012353};
DE EC=1.8.7.1 {ECO:0000256|ARBA:ARBA00012353};
GN ORFNames=DI272_11085 {ECO:0000313|EMBL:PWI14642.1};
OS Streptomyces sp. Act143.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=2200760 {ECO:0000313|EMBL:PWI14642.1, ECO:0000313|Proteomes:UP000245455};
RN [1] {ECO:0000313|EMBL:PWI14642.1, ECO:0000313|Proteomes:UP000245455}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Act143 {ECO:0000313|EMBL:PWI14642.1,
RC ECO:0000313|Proteomes:UP000245455};
RA Valanrebinro G., Kumari S., Rameshkumar N.;
RT "Actinomycin D producing novel Streptomyces isolated from the rhizosphere
RT of saline tolerant kaipad rice and its draft genome analysis.";
RL Submitted (MAY-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:PWI14642.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; QFRX01000001; PWI14642.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2U2ZQT2; -.
DR OrthoDB; 3189055at2; -.
DR Proteomes; UP000245455; 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:UP000245455};
KW Thioether bond {ECO:0000256|ARBA:ARBA00022784}.
FT DOMAIN 101..164
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 172..327
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 426..562
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
FT REGION 1..45
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 565 AA; 63014 MW; 4CD6542B1C5604AB CRC64;
MAATPQNPAA ATPRRKVSRH RGEGQWAAGH HTPLNGNEQF KKDDDGLNVR TRIETIYSKR
GFDSIDPNDL RGRMRWWGLY TQRKPGIDGG KTAILEPEEL DDKYFMLRVR IDGGRLTTQQ
LRVIGEISEE FARGSADITD RQNIQLHWIR IEDVPEIWNR LEAVGLSTTE ACGDCPRVVI
GSPVAGIAED EIIDGTWAID EIHERYIGSH EFSNLPRKFK TAISGSPLLD VVHEINDVAF
VGVEHPEHGP GFDVWVGGGL STNPKFGVRL GAWVPLEEVP EVWAGVVGIF RDWGYRRLRT
RARLKFLVAD WGPEKFRQVL EDDYLKRKMA DGPAPAEPAG RWRDHVGVHR QKDGRYYVGF
APRVGRVDGA TLTKIAEVAE AHGSGRVRTT VEQKMIILDV EEAQVEPLVE ALGALDLTAK
PSPFRRGTMA CTGIEYCKLA IVETKQRGSS LIDELERRIP DFDEPLTINL NGCPNACARI
QVADIGLKGQ LVLNDQGEQV EGYQVHLGGA LGLEAGFGRK VRGLKVTSEE LPDYVERVLK
RFQAEREEGE RFAAWASRAS EESLS
//
