ID A0A239IL73_9ACTN Unreviewed; 706 AA.
AC A0A239IL73;
DT 25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT 25-OCT-2017, sequence version 1.
DT 27-MAR-2024, entry version 26.
DE RecName: Full=assimilatory sulfite reductase (ferredoxin) {ECO:0000256|ARBA:ARBA00012353};
DE EC=1.8.7.1 {ECO:0000256|ARBA:ARBA00012353};
GN ORFNames=SAMN05421812_102431 {ECO:0000313|EMBL:SNS93803.1};
OS Asanoa hainanensis.
OC Bacteria; Actinomycetota; Actinomycetes; Micromonosporales;
OC Micromonosporaceae; Asanoa.
OX NCBI_TaxID=560556 {ECO:0000313|EMBL:SNS93803.1, ECO:0000313|Proteomes:UP000198362};
RN [1] {ECO:0000313|EMBL:SNS93803.1, ECO:0000313|Proteomes:UP000198362}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 4.5593 {ECO:0000313|EMBL:SNS93803.1,
RC ECO:0000313|Proteomes:UP000198362};
RA Kim H.J., Triplett B.A.;
RL Submitted (JUN-2017) 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=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974};
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; FZPH01000002; SNS93803.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A239IL73; -.
DR UniPathway; UPA00653; -.
DR Proteomes; UP000198362; Unassembled WGS sequence.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
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:InterPro.
DR GO; GO:0008942; F:nitrite reductase [NAD(P)H] activity; IEA:InterPro.
DR GO; GO:0050311; F:sulfite reductase (ferredoxin) activity; IEA:UniProtKB-EC.
DR GO; GO:0042128; P:nitrate assimilation; IEA:UniProtKB-UniPathway.
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; 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 PRINTS; PR00368; FADPNR.
DR PRINTS; PR00411; PNDRDTASEI.
DR PRINTS; PR00397; SIROHAEM.
DR SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 1.
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};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW Heme {ECO:0000256|ARBA:ARBA00022617}; 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 Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000198362};
KW Thioether bond {ECO:0000256|ARBA:ARBA00022784}.
FT DOMAIN 2..167
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 204..266
FT /note="NADH-rubredoxin oxidoreductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF18267"
FT DOMAIN 294..342
FT /note="BFD-like [2Fe-2S]-binding"
FT /evidence="ECO:0000259|Pfam:PF04324"
FT DOMAIN 425..488
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 498..638
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
SQ SEQUENCE 706 AA; 74480 MW; F778C3232D04807C CRC64;
MPPVPGHDAR GCFVYRTLDD LEALREYANG RSTGIVVGGG LLGLEAANAL RLLGLRTSVV
EFAPHLMPMQ LDPAGGAMLR RRIEELDIAV HTGTGVTAIG ADGERLRVDT AGELALDTDL
VVFAAGVRPR DDLARAADLA VGERGGVLVD DALRTSDPTV FAIGECAAVE GRCYGLVAPG
YAMADVVVDR LLGGEATFGG ADTSTKLKLL GVDVASFGRT TGALDVVYAD PANGLYAKLA
LTDDARTLLG GILVGDASAY GALRAAVGGP VPGRLADFLS TGAPDVALPG DAQVCSCNNV
TKDQVLAAIG DGCGDVPAVK ACTRAGTTCG SCVPLLKSLL AEAGVAQSKA LCEHFAYSRQ
ELFDLVRVRG IRTFSALVSA HGTGRGCDIC KPTVASILAS LGNGHVLDGE QAALQDTNDH
FLANIQRDGT YSVVPRIPGG EITPERLIVI GEVARDFGLY TKITGGQRID LLGARVEQLP
EIWRRLVAAG FESGHAYGKA LRTVKSCVGS TWCRYGVQDS VGLAVALELR YRGLRAPHKI
KSAVSGCARE CAEARSKDFG IIATEQGWNL YVGGNGGFRP RHADLFLSDV DTDTLVRTVD
RFLMYYIRTA DRLQRTAAWI EGLDGGLDHL RAVIVDDRLG LCADLDAAMA RHVASHTDEW
RDVLEDPVKL RRFVSFINAP STPDPSISFG SERGQPVPLV SLGPRA
//
