ID   SSUD_CITK8              Reviewed;         381 AA.
AC   A8AID7;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, 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}; OrderedLocusNames=CKO_02126;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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 + 2 H(+) +
CC         H2O + sulfite; 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; CP000822; ABV13250.1; -; Genomic_DNA.
DR   RefSeq; WP_012132982.1; NC_009792.1.
DR   AlphaFoldDB; A8AID7; -.
DR   SMR; A8AID7; -.
DR   STRING; 290338.CKO_02126; -.
DR   EnsemblBacteria; ABV13250; ABV13250; CKO_02126.
DR   GeneID; 45136073; -.
DR   KEGG; cko:CKO_02126; -.
DR   HOGENOM; CLU_027853_1_0_6; -.
DR   OMA; NIFWFLP; -.
DR   OrthoDB; 919913at2; -.
DR   Proteomes; UP000008148; Chromosome.
DR   GO; GO:0008726; F:alkanesulfonate monooxygenase activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.20.20.30; -; 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   Pfam; PF00296; Bac_luciferase; 1.
DR   SUPFAM; SSF51679; SSF51679; 1.
DR   TIGRFAMs; TIGR03565; alk_sulf_monoox; 1.
PE   3: Inferred from homology;
KW   Flavoprotein; FMN; Monooxygenase; Oxidoreductase; Reference proteome.
FT   CHAIN           1..381
FT                   /note="Alkanesulfonate monooxygenase"
FT                   /id="PRO_1000066818"
SQ   SEQUENCE   381 AA;  41662 MW;  F0B2F66F981DC7CF CRC64;
     MSLNMFWFLP THGDGHYLGT EAGSRPVDHG YLQQIAQTAD RLGFTGVLIP TGRSCEDAWL
     VAASMIPVTQ RLKFLVALRP SVTSPTVAAR QAATLDRLSN GRALFNLVTG SDPQELAGDG
     VFLDHTERYE ASSEFTQVWR RLLQGETVDF NGKHIHVRGA KLFFPAIQQP YPPLYFGGSS
     DVAQDLAAEQ VDLYLTWGEP PAQVKEKIEQ VRAKAAARGR KIRFGIRLHV IVRETNEEAW
     RAADRLIAHL DDDTIAKAQA AFARTDSVGQ HRMAALHNGK RDQLEISPNL WAGVGLVRGG
     AGTALVGDGP TVAARINEYA ALGIDSFVLS GYPHLEEAYN VGELLFPHLD VAIPEIPQPQ
     PLHQQGEAVA NEFIPRKAAQ S