ID A0A3A5MFL8_9MICC Unreviewed; 575 AA.
AC A0A3A5MFL8;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-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=D6T63_01355 {ECO:0000313|EMBL:RJT83133.1};
OS Arthrobacter cheniae.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Micrococcaceae;
OC Arthrobacter.
OX NCBI_TaxID=1258888 {ECO:0000313|EMBL:RJT83133.1, ECO:0000313|Proteomes:UP000272560};
RN [1] {ECO:0000313|EMBL:RJT83133.1, ECO:0000313|Proteomes:UP000272560}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Hz2 {ECO:0000313|EMBL:RJT83133.1,
RC ECO:0000313|Proteomes:UP000272560};
RA Liu Q., Xin Y.-H.;
RT "Novel species of Arthrobacter.";
RL Submitted (SEP-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:RJT83133.1}.
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DR EMBL; QZVT01000001; RJT83133.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3A5MFL8; -.
DR OrthoDB; 3189055at2; -.
DR Proteomes; UP000272560; 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 Thioether bond {ECO:0000256|ARBA:ARBA00022784}.
FT DOMAIN 99..164
FT /note="Nitrite/Sulfite reductase ferredoxin-like"
FT /evidence="ECO:0000259|Pfam:PF03460"
FT DOMAIN 174..326
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..553
FT /note="Nitrite/sulphite reductase 4Fe-4S"
FT /evidence="ECO:0000259|Pfam:PF01077"
FT REGION 1..26
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..17
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 575 AA; 63056 MW; 671B78BFCA401893 CRC64;
MTSSTAAATN TQGRSGATRP GRPHGQWRVD GTAPLNANEA WKQEDGGLNV RERIEQVYSK
RGFDSIEKTD LHGRFRWWGL YTQRRPGIDG GKTATLEPHE LEDKYFMLRV RIDGGSLTTH
QLRVIGEIST DFGRGTADLT DRQNIQLHWI RVEDVPEIWR RLEDAGLSTT EACGDVPRVI
LGSPVAGIAA DEIIDPTPAI EELAKRFIGD PELANLPRKF KTAITGHPSQ DVVHEINDVA
FVGMVHPELG PGYDLWVGGA LSVTPRLAER LGAFVQPHQV ADVWVGITKI FRDYGYRRLR
TKARLKFLLA DWGTDRFRDV LEEEYLGYRL TDGPPAAKPS TPGDHVGIHR QKDGRYFIGV
SPVVGRVSGA TLTSLAALLE DHGSGRLRTT PHQKLVLLDV PEHQLDSLVD GLEALGLTPK
PSVFRRSSIA CTGIEFCKLA IVETKITAAT AVAELETRLA DLAESGVLPE RLSLHVNGCP
NSCARIQTAD IGLKGQLLPD GDGGQSPGFQ VHLGGGLASL DREEAGLGRT VRGLKVTADD
LPEYVERLVR RFVADRHLSE TFAEWTHRAD EGALL
//
