ID   NADA_BACCQ              Reviewed;         368 AA.
AC   B9IZ04;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 68.
DE   RecName: Full=Quinolinate synthase {ECO:0000255|HAMAP-Rule:MF_00569};
DE            EC=2.5.1.72 {ECO:0000255|HAMAP-Rule:MF_00569};
GN   Name=nadA {ECO:0000255|HAMAP-Rule:MF_00569}; OrderedLocusNames=BCQ_4216;
OS   Bacillus cereus (strain Q1).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=361100;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Q1;
RX   PubMed=19060151; DOI=10.1128/jb.01629-08;
RA   Xiong Z., Jiang Y., Qi D., Lu H., Yang F., Yang J., Chen L., Sun L., Xu X.,
RA   Xue Y., Zhu Y., Jin Q.;
RT   "Complete genome sequence of the extremophilic Bacillus cereus strain Q1
RT   with industrial applications.";
RL   J. Bacteriol. 191:1120-1121(2009).
CC   -!- FUNCTION: Catalyzes the condensation of iminoaspartate with
CC       dihydroxyacetone phosphate to form quinolinate. {ECO:0000255|HAMAP-
CC       Rule:MF_00569}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=dihydroxyacetone phosphate + iminosuccinate = H(+) + 2 H2O +
CC         phosphate + quinolinate; Xref=Rhea:RHEA:25888, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:29959, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:57642, ChEBI:CHEBI:77875; EC=2.5.1.72;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00569};
CC       PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:25889;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00569};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00569};
CC       Note=Binds 1 [4Fe-4S] cluster per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00569};
CC   -!- PATHWAY: Cofactor biosynthesis; NAD(+) biosynthesis; quinolinate from
CC       iminoaspartate: step 1/1. {ECO:0000255|HAMAP-Rule:MF_00569}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00569}.
CC   -!- SIMILARITY: Belongs to the quinolinate synthase family. Type 3
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00569}.
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DR   EMBL; CP000227; ACM14643.1; -; Genomic_DNA.
DR   RefSeq; WP_000025317.1; NC_011969.1.
DR   AlphaFoldDB; B9IZ04; -.
DR   SMR; B9IZ04; -.
DR   EnsemblBacteria; ACM14643; ACM14643; BCQ_4216.
DR   KEGG; bcq:BCQ_4216; -.
DR   HOGENOM; CLU_047382_2_0_9; -.
DR   OMA; CFCSTMN; -.
DR   UniPathway; UPA00253; UER00327.
DR   Proteomes; UP000000441; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0008987; F:quinolinate synthetase A activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009435; P:NAD biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.10800; -; 3.
DR   HAMAP; MF_00569; NadA_type3; 1.
DR   InterPro; IPR003473; NadA.
DR   InterPro; IPR036094; NadA_sf.
DR   InterPro; IPR023515; Quinolinate_synth_A_type3.
DR   PANTHER; PTHR30573; PTHR30573; 1.
DR   Pfam; PF02445; NadA; 1.
DR   SUPFAM; SSF142754; SSF142754; 1.
DR   TIGRFAMs; TIGR00550; nadA; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; Cytoplasm; Iron; Iron-sulfur; Metal-binding;
KW   Pyridine nucleotide biosynthesis; Transferase.
FT   CHAIN           1..368
FT                   /note="Quinolinate synthase"
FT                   /id="PRO_1000146823"
FT   BINDING         46
FT                   /ligand="iminosuccinate"
FT                   /ligand_id="ChEBI:CHEBI:77875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
FT   BINDING         63
FT                   /ligand="iminosuccinate"
FT                   /ligand_id="ChEBI:CHEBI:77875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
FT   BINDING         110
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
FT   BINDING         141..143
FT                   /ligand="iminosuccinate"
FT                   /ligand_id="ChEBI:CHEBI:77875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
FT   BINDING         162
FT                   /ligand="iminosuccinate"
FT                   /ligand_id="ChEBI:CHEBI:77875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
FT   BINDING         230
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
FT   BINDING         256..258
FT                   /ligand="iminosuccinate"
FT                   /ligand_id="ChEBI:CHEBI:77875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
FT   BINDING         273
FT                   /ligand="iminosuccinate"
FT                   /ligand_id="ChEBI:CHEBI:77875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
FT   BINDING         320
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00569"
SQ   SEQUENCE   368 AA;  41609 MW;  4B725759BC3F3709 CRC64;
     MSILEKVQPI ETMLPERYYT MSTENMEKRV REIKEKMGGK LFIPGHHYQK DEVVQFSDAA
     GDSLQLAQVA ASNKEAKYIV FCGVHFMAET ADMLTTDDQI VILPDMRAGC SMADMADIEQ
     TERAWKELMK LFGDTMIPLT YVNSTAAIKA FCGRNGGATV TSSNAKQMVS WAFTQKERLV
     FLPDQHLGRN TAYDLGIPLD KMAVWDPHTD SLEYDGDIEE IQVILWKGHC SVHQNFTVKN
     IENVRKNHPD MNIIVHPECC YEVVAASDYA GSTKYIIDMI ESAPSGSKWA IGTEMNLVNR
     IIQQHPDKEI VSLNPFMCPC LTMNRIDLPH LLWALETIER GEEINVISVD KQVTEEAVLA
     LNRMLERV