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RIBL_METLZ
ID   RIBL_METLZ              Reviewed;         140 AA.
AC   A2SQH8;
DT   05-APR-2011, integrated into UniProtKB/Swiss-Prot.
DT   06-MAR-2007, sequence version 1.
DT   03-AUG-2022, entry version 75.
DE   RecName: Full=FAD synthase {ECO:0000255|HAMAP-Rule:MF_02115};
DE            EC=2.7.7.2 {ECO:0000255|HAMAP-Rule:MF_02115};
DE   AltName: Full=FMN adenylyltransferase {ECO:0000255|HAMAP-Rule:MF_02115};
DE   AltName: Full=Flavin adenine dinucleotide synthase {ECO:0000255|HAMAP-Rule:MF_02115};
GN   Name=ribL {ECO:0000255|HAMAP-Rule:MF_02115}; OrderedLocusNames=Mlab_0408;
OS   Methanocorpusculum labreanum (strain ATCC 43576 / DSM 4855 / Z).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanomicrobiales; Methanocorpusculaceae; Methanocorpusculum.
OX   NCBI_TaxID=410358;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43576 / DSM 4855 / Z;
RX   PubMed=21304657; DOI=10.4056/sigs.35575;
RA   Anderson I.J., Sieprawska-Lupa M., Goltsman E., Lapidus A., Copeland A.,
RA   Glavina Del Rio T., Tice H., Dalin E., Barry K., Pitluck S., Hauser L.,
RA   Land M., Lucas S., Richardson P., Whitman W.B., Kyrpides N.C.;
RT   "Complete genome sequence of Methanocorpusculum labreanum type strain Z.";
RL   Stand. Genomic Sci. 1:197-203(2009).
CC   -!- FUNCTION: Catalyzes the transfer of the AMP portion of ATP to flavin
CC       mononucleotide (FMN) to produce flavin adenine dinucleotide (FAD)
CC       coenzyme. {ECO:0000255|HAMAP-Rule:MF_02115}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + FMN + H(+) = diphosphate + FAD; Xref=Rhea:RHEA:17237,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:57692, ChEBI:CHEBI:58210; EC=2.7.7.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_02115};
CC   -!- COFACTOR:
CC       Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_02115};
CC   -!- PATHWAY: Cofactor biosynthesis; FAD biosynthesis; FAD from FMN: step
CC       1/1. {ECO:0000255|HAMAP-Rule:MF_02115}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_02115}.
CC   -!- SIMILARITY: Belongs to the archaeal FAD synthase family.
CC       {ECO:0000255|HAMAP-Rule:MF_02115}.
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DR   EMBL; CP000559; ABN06584.1; -; Genomic_DNA.
DR   RefSeq; WP_011832785.1; NC_008942.1.
DR   AlphaFoldDB; A2SQH8; -.
DR   SMR; A2SQH8; -.
DR   STRING; 410358.Mlab_0408; -.
DR   EnsemblBacteria; ABN06584; ABN06584; Mlab_0408.
DR   GeneID; 4794564; -.
DR   KEGG; mla:Mlab_0408; -.
DR   eggNOG; arCOG01222; Archaea.
DR   HOGENOM; CLU_034585_2_1_2; -.
DR   OMA; FAKKHAD; -.
DR   OrthoDB; 79845at2157; -.
DR   UniPathway; UPA00277; UER00407.
DR   Proteomes; UP000000365; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003919; F:FMN adenylyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006747; P:FAD biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0046444; P:FMN metabolic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.620; -; 1.
DR   HAMAP; MF_02115; FAD_synth_arch; 1.
DR   InterPro; IPR004821; Cyt_trans-like.
DR   InterPro; IPR024902; FAD_synth_RibL.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   Pfam; PF01467; CTP_transf_like; 1.
DR   TIGRFAMs; TIGR00125; cyt_tran_rel; 1.
PE   3: Inferred from homology;
KW   ATP-binding; FAD; Flavoprotein; FMN; Nucleotide-binding;
KW   Nucleotidyltransferase; Reference proteome; Transferase.
FT   CHAIN           1..140
FT                   /note="FAD synthase"
FT                   /id="PRO_0000406260"
FT   BINDING         9..10
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02115"
FT   BINDING         14..17
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02115"
FT   BINDING         92
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02115"
FT   BINDING         119
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02115"
SQ   SEQUENCE   140 AA;  16123 MW;  97FD189A93C48169 CRC64;
     MKKIVATGTF DILHPGHIYY LEESKKLGDE LWVIVAREKN VVHKPRPIVS EDQRLKMIQS
     LKCVDHAVLG DQTDMYKPIR EIDPAVITIG FNQKWSEEKL RADLAERNIC ADVVRISEYT
     GMPFTSSTKI IDEAVRRRTK
 
 
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