ID J9SDC3_9ACTN Unreviewed; 861 AA.
AC J9SDC3;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 27-MAR-2024, entry version 60.
DE RecName: Full=assimilatory sulfite reductase (ferredoxin) {ECO:0000256|ARBA:ARBA00012353};
DE EC=1.8.7.1 {ECO:0000256|ARBA:ARBA00012353};
GN ORFNames=KTR9_3535 {ECO:0000313|EMBL:AFR50170.1};
OS Gordonia sp. KTR9.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Gordoniaceae;
OC Gordonia.
OX NCBI_TaxID=337191 {ECO:0000313|EMBL:AFR50170.1, ECO:0000313|Proteomes:UP000003281};
RN [1] {ECO:0000313|EMBL:AFR50170.1, ECO:0000313|Proteomes:UP000003281}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KTR9 {ECO:0000313|EMBL:AFR50170.1,
RC ECO:0000313|Proteomes:UP000003281};
RX PubMed=22923396; DOI=10.1128/AEM.02120-12;
RA Chen H.P., Zhu S.H., Casabon I., Hallam S.J., Crocker F.H., Mohn W.W.,
RA Indest K.J., Eltis L.D.;
RT "Genomic and transcriptomic studies of an RDX (hexahydro-1,3,5-
RT trinitro-1,3,5-triazine)-degrading actinobacterium.";
RL Appl. Environ. Microbiol. 78:7798-7800(2012).
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};
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; CP002907; AFR50170.1; -; Genomic_DNA.
DR RefSeq; WP_014927722.1; NC_018581.1.
DR AlphaFoldDB; J9SDC3; -.
DR STRING; 337191.KTR9_3535; -.
DR KEGG; gor:KTR9_3535; -.
DR PATRIC; fig|337191.3.peg.3908; -.
DR eggNOG; COG1251; Bacteria.
DR HOGENOM; CLU_003291_0_0_11; -.
DR UniPathway; UPA00653; -.
DR Proteomes; UP000003281; Chromosome.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:UniProtKB-UniRule.
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: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; PR00411; PNDRDTASEI.
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 3: Inferred from homology;
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:ARBA00023004};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Nitrate assimilation {ECO:0000256|ARBA:ARBA00023063,
KW ECO:0000256|PIRNR:PIRNR037149};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Thioether bond {ECO:0000256|ARBA:ARBA00022784}.
FT DOMAIN 12..295
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 329..396
FT /note="NADH-rubredoxin oxidoreductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF18267"
FT DOMAIN 427..474
FT /note="BFD-like [2Fe-2S]-binding"
FT /evidence="ECO:0000259|Pfam:PF04324"
FT DOMAIN 559..620
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 631..769
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
FT REGION 836..861
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 861 AA; 90943 MW; 24881F6E315DE4D6 CRC64;
MNSETATRTT KTVVVVGHGM VGHRFVQALR ERDATDRWRI EIVSEELDPA YDRVGLSSYV
GAWLRDSLAL EGNTYAGDDR VVTHLGETVT DIDRSARRVV TSSGREIDYD AVVLATGSYA
FVPPVPGHDN DRCFVYRTLD DLDAIRAAAE AAGPGATGVV VGGGLLGLEA ANALKLLGMT
PHVVEFAPRL MPMQVDEGGG AILKNLVTDL GLEVHTGVGT SEIADAEDGG LRVTLSDESS
IEASLVVFSA GVRPRDQLAR DAGLAVGERG GVLVDAGCVT DDENIYAIGE VAAVDGRCYG
LVAPGYSTAE VVADRLLGGT AEFPGADLST KLKLLGVDVA SFGDAFGAAE NALEITYHDA
VAGKYAKIVV SDDAKTLLGG ILVGDASAYA MLKPMVGREI PGDPAALIAP EGGAAVGMDA
LPDDAEICSC NGVSKGTICS AIAAGACEIA DIKKETCAGT TCGGCLPSIK QLLAASGVEL
SKSLCDHFAQ SRAELFEIVA VTGIRTFSEL IERYGTGQGC EICKPTVASI LASTSSEHIL
DGEQAALQDT NDHFLANMQK NGSYSVVPRM PGGEVTPEQL IVIGEIARDF GLYTKVTGGQ
RIDLFGARVD QLPEIWRRLV DAGMESGQAY GKSLRTVKSC VGSTWCRYGV QDSVGMAVLL
EKRYRGLRSP HKIKFGVSGC ARECAEARGK DVGVIATEHG WNLYVGGNGG QSPKHAVLLA
SGVDDETLVA YIDRYLMFYI RTADRLQRTA PWLESLEGGL DHLKDVVCED SLGLAAELED
AMARHVGGYQ DEWAAVLADE DKLKRFVSFV NAPDVVDPTI RFSEYERKAP VLLDMPSVRP
GTDASGTDVA STEPVREGVP T
//
