ID   SSUD_ECO55              Reviewed;         381 AA.
AC   B7LE35;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   18-JUN-2025, entry version 82.
DE   RecName: Full=Alkanesulfonate monooxygenase {ECO:0000255|HAMAP-Rule:MF_01229};
DE            EC=1.14.14.5 {ECO:0000255|HAMAP-Rule:MF_01229};
DE   AltName: Full=FMNH2-dependent aliphatic sulfonate monooxygenase {ECO:0000255|HAMAP-Rule:MF_01229};
GN   Name=ssuD {ECO:0000255|HAMAP-Rule:MF_01229};
GN   OrderedLocusNames=EC55989_0984;
OS   Escherichia coli (strain 55989 / EAEC).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Enterobacterales; Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585055;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=55989 / EAEC;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
CC   -!- FUNCTION: Catalyzes the desulfonation of aliphatic sulfonates.
CC       {ECO:0000255|HAMAP-Rule:MF_01229}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=an alkanesulfonate + FMNH2 + O2 = an aldehyde + FMN + sulfite
CC         + H2O + 2 H(+); Xref=Rhea:RHEA:23064, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:17359,
CC         ChEBI:CHEBI:17478, ChEBI:CHEBI:57618, ChEBI:CHEBI:58210,
CC         ChEBI:CHEBI:134249; EC=1.14.14.5; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01229};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01229}.
CC   -!- MISCELLANEOUS: FMNH(2) which is absolutely required for this enzymatic
CC       reaction, is provided by SsuE. {ECO:0000255|HAMAP-Rule:MF_01229}.
CC   -!- SIMILARITY: Belongs to the SsuD family. {ECO:0000255|HAMAP-
CC       Rule:MF_01229}.
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DR   EMBL; CU928145; CAU96846.1; -; Genomic_DNA.
DR   RefSeq; WP_000055996.1; NC_011748.1.
DR   AlphaFoldDB; B7LE35; -.
DR   SMR; B7LE35; -.
DR   GeneID; 75204026; -.
DR   KEGG; eck:EC55989_0984; -.
DR   HOGENOM; CLU_027853_1_0_6; -.
DR   Proteomes; UP000000746; Chromosome.
DR   GO; GO:0008726; F:alkanesulfonate monooxygenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046306; P:alkanesulfonate catabolic process; IEA:TreeGrafter.
DR   CDD; cd01094; Alkanesulfonate_monoxygenase; 1.
DR   FunFam; 3.20.20.30:FF:000001; Alkanesulfonate monooxygenase; 1.
DR   Gene3D; 3.20.20.30; Luciferase-like domain; 1.
DR   HAMAP; MF_01229; Alkanesulf_monooxygen; 1.
DR   InterPro; IPR019911; Alkanesulphonate_mOase_FMN-dep.
DR   InterPro; IPR011251; Luciferase-like_dom.
DR   InterPro; IPR036661; Luciferase-like_sf.
DR   InterPro; IPR050172; SsuD_RutA_monooxygenase.
DR   NCBIfam; TIGR03565; alk_sulf_monoox; 1.
DR   NCBIfam; NF001939; PRK00719.1; 1.
DR   PANTHER; PTHR42847; ALKANESULFONATE MONOOXYGENASE; 1.
DR   PANTHER; PTHR42847:SF4; ALKANESULFONATE MONOOXYGENASE-RELATED; 1.
DR   Pfam; PF00296; Bac_luciferase; 1.
DR   SUPFAM; SSF51679; Bacterial luciferase-like; 1.
PE   3: Inferred from homology;
KW   Flavoprotein; FMN; Monooxygenase; Oxidoreductase; Reference proteome.
FT   CHAIN           1..381
FT                   /note="Alkanesulfonate monooxygenase"
FT                   /id="PRO_1000164968"
SQ   SEQUENCE   381 AA;  41671 MW;  09146AD3B36BE936 CRC64;
     MSLNMFWFLP THGDGHYLGT EEGSRPVDHG YLQQIAQAAD RLGYTGVLIP TGRSCEDAWL
     VAASMIPVTQ RLKFLVALRP SVTSPTVAAR QAATLDRLSN GRALFNLVTG SDPQELAGDG
     VFLDHSERYE ASAEFTQVWR RLLLGETVNF NGKHIHVRGA KLLFPPIQQP YPPLYFGGSS
     DVAQELAAEQ VDLYLTWGEP PELVKEKIEQ VRAKAAAHGR KIRFGIRLHV IVRETNDEAW
     QAAERLISHL DDETIAKAQA AFARTDSVGQ QRMAALHNGK RDNLEISPNL WAGVGLVRGG
     AGTALVGDGP TVAARINEYA ALGIDSFVLS GYPHLEEAYR VGELLFPHLD VAIPEIPQPQ
     PLNPQGEAVA NDFIPRKVAQ S
//