ID A0A1H5RF38_9PSEU Unreviewed; 835 AA.
AC A0A1H5RF38;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 28.
DE RecName: Full=assimilatory sulfite reductase (ferredoxin) {ECO:0000256|ARBA:ARBA00012353};
DE EC=1.8.7.1 {ECO:0000256|ARBA:ARBA00012353};
GN ORFNames=SAMN05421837_109298 {ECO:0000313|EMBL:SEF36141.1};
OS Amycolatopsis pretoriensis.
OC Bacteria; Actinomycetota; Actinomycetes; Pseudonocardiales;
OC Pseudonocardiaceae; Amycolatopsis.
OX NCBI_TaxID=218821 {ECO:0000313|EMBL:SEF36141.1, ECO:0000313|Proteomes:UP000198878};
RN [1] {ECO:0000313|EMBL:SEF36141.1, ECO:0000313|Proteomes:UP000198878}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 44654 {ECO:0000313|EMBL:SEF36141.1,
RC ECO:0000313|Proteomes:UP000198878};
RA de Groot N.N.;
RL Submitted (OCT-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=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; FNUJ01000009; SEF36141.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H5RF38; -.
DR STRING; 218821.SAMN05421837_109298; -.
DR OrthoDB; 9768666at2; -.
DR UniPathway; UPA00653; -.
DR Proteomes; UP000198878; Unassembled WGS sequence.
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; cd19943; NirB_Fer2_BFD-like_1; 1.
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; 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 5..288
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 321..388
FT /note="NADH-rubredoxin oxidoreductase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF18267"
FT DOMAIN 420..468
FT /note="BFD-like [2Fe-2S]-binding"
FT /evidence="ECO:0000259|Pfam:PF04324"
FT DOMAIN 553..614
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 625..761
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
SQ SEQUENCE 835 AA; 87981 MW; C34734D15098C95F CRC64;
MPTLVVAGHG MVAHRLVEAV RAEDPSGNWH VVVLSEEPRP AYDRVALTSY VDTWDPASLA
LPGSDYAGDS FVDLRLGQLA VSVDRASKTV TTASGDVVSY DALVLATGSR PFVPPVPGHD
LPGCFVYRTI EDLDAIRAAA VDKPGRGRRS AVVIGGGLLG LEAAKALRDM GLSPHVVEMA
PRLMPLQVDE GGGSLLRRLI TNLDVTVHTG TSTDAIEADG SRLLAKLGNG TELDVDLVVF
SAGVRPRDDL ARQSGLEVGP RGGVLTDSSC RTSDPAVFAI GECAAVDGRV YGIVAPGYAM
AEIVAAQLTG GAGEFPEPDT STKLKLMGVD VASFGDAHAA TEGALEVAVN DAVAGTYKKL
VVTDDGKTLL GGVLVGDATE YNTLRALVGR PLPAEPGAIL APAGGGAAVG VDALPDAAQI
CSCNAVSKGA ITRAIHEDGC DSVPKLKACT RAGTACGSCV PLLGKLLSAA GVEQSKAVCE
HFPQSRAELF EIVQATRITT FSELIGRYGS GSGCAICKPV VASILATLGN GHVLGGEQMT
LQDTNDRYLA NLQRNGTYSV VPRIPGGEIT PDKLIVIGEV ARDFGLYTKI TGGQRIDLFG
ATVDQLPLIW RRLVDAGFES GHAYGKALRT VKSCVGSTWC RYGVQDSVGL AIELELRYRG
LRSPHKLKSA VSGCARECAE ARSKDFGIIA TENGWNLYVG GNGGTTPRHA DLLVSDVDTS
TLIRTIDRFL MFYVRTADRL QRTAPWIEEL DGGLDHLRAV IVDDSLGICE DLDAAMAKHV
DNYADEWKGV LEDPEKLARF TSFVNAPGTP DPAISFRSER EQKVPVMLGV PEVRR
//
