ID   MENC_ALISL              Reviewed;         324 AA.
AC   B6EJ59;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=o-succinylbenzoate synthase {ECO:0000255|HAMAP-Rule:MF_00470};
DE            Short=OSB synthase {ECO:0000255|HAMAP-Rule:MF_00470};
DE            Short=OSBS {ECO:0000255|HAMAP-Rule:MF_00470};
DE            EC=4.2.1.113 {ECO:0000255|HAMAP-Rule:MF_00470};
DE   AltName: Full=4-(2'-carboxyphenyl)-4-oxybutyric acid synthase {ECO:0000255|HAMAP-Rule:MF_00470};
DE   AltName: Full=o-succinylbenzoic acid synthase {ECO:0000255|HAMAP-Rule:MF_00470};
GN   Name=menC {ECO:0000255|HAMAP-Rule:MF_00470}; OrderedLocusNames=VSAL_I1102;
OS   Aliivibrio salmonicida (strain LFI1238) (Vibrio salmonicida (strain
OS   LFI1238)).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Aliivibrio.
OX   NCBI_TaxID=316275;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LFI1238;
RX   PubMed=19099551; DOI=10.1186/1471-2164-9-616;
RA   Hjerde E., Lorentzen M.S., Holden M.T., Seeger K., Paulsen S., Bason N.,
RA   Churcher C., Harris D., Norbertczak H., Quail M.A., Sanders S.,
RA   Thurston S., Parkhill J., Willassen N.P., Thomson N.R.;
RT   "The genome sequence of the fish pathogen Aliivibrio salmonicida strain
RT   LFI1238 shows extensive evidence of gene decay.";
RL   BMC Genomics 9:616-616(2008).
CC   -!- FUNCTION: Converts 2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-
CC       carboxylate (SHCHC) to 2-succinylbenzoate (OSB). {ECO:0000255|HAMAP-
CC       Rule:MF_00470}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(1R,6R)-6-hydroxy-2-succinyl-cyclohexa-2,4-diene-1-carboxylate
CC         = 2-succinylbenzoate + H2O; Xref=Rhea:RHEA:10196, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:18325, ChEBI:CHEBI:58689; EC=4.2.1.113;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00470};
CC   -!- COFACTOR:
CC       Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00470};
CC   -!- PATHWAY: Quinol/quinone metabolism; 1,4-dihydroxy-2-naphthoate
CC       biosynthesis; 1,4-dihydroxy-2-naphthoate from chorismate: step 4/7.
CC       {ECO:0000255|HAMAP-Rule:MF_00470}.
CC   -!- PATHWAY: Quinol/quinone metabolism; menaquinone biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00470}.
CC   -!- SIMILARITY: Belongs to the mandelate racemase/muconate lactonizing
CC       enzyme family. MenC type 1 subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_00470}.
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DR   EMBL; FM178379; CAQ78787.1; -; Genomic_DNA.
DR   RefSeq; WP_012549856.1; NC_011312.1.
DR   AlphaFoldDB; B6EJ59; -.
DR   SMR; B6EJ59; -.
DR   STRING; 316275.VSAL_I1102; -.
DR   EnsemblBacteria; CAQ78787; CAQ78787; VSAL_I1102.
DR   KEGG; vsa:VSAL_I1102; -.
DR   eggNOG; COG1441; Bacteria.
DR   HOGENOM; CLU_030273_0_1_6; -.
DR   OMA; YEANRDG; -.
DR   OrthoDB; 951991at2; -.
DR   UniPathway; UPA00079; -.
DR   UniPathway; UPA01057; UER00165.
DR   Proteomes; UP000001730; Chromosome 1.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0043748; F:O-succinylbenzoate synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009234; P:menaquinone biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.20.20.120; -; 1.
DR   Gene3D; 3.30.390.10; -; 1.
DR   HAMAP; MF_00470; MenC_1; 1.
DR   InterPro; IPR036849; Enolase-like_C_sf.
DR   InterPro; IPR029017; Enolase-like_N.
DR   InterPro; IPR029065; Enolase_C-like.
DR   InterPro; IPR013342; Mandelate_racemase_C.
DR   InterPro; IPR010196; OSB_synthase_MenC1.
DR   Pfam; PF13378; MR_MLE_C; 1.
DR   SMART; SM00922; MR_MLE; 1.
DR   SUPFAM; SSF51604; SSF51604; 1.
DR   SUPFAM; SSF54826; SSF54826; 1.
PE   3: Inferred from homology;
KW   Lyase; Magnesium; Menaquinone biosynthesis; Metal-binding.
FT   CHAIN           1..324
FT                   /note="o-succinylbenzoate synthase"
FT                   /id="PRO_1000125565"
FT   ACT_SITE        135
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   ACT_SITE        237
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   BINDING         163
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   BINDING         192
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   BINDING         215
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
SQ   SEQUENCE   324 AA;  36028 MW;  716A9F56A4C0A780 CRC64;
     MKTAKIYQYQ LPMDSGVILR DQRLQQRDGL IIELSDGKHT AKGEIAPLPE FSQENLEQAR
     EDLISLTQAW LNDEVLDVDA NCPSVAFGFS MALLELENNL PEVGNYQVAP LCSGDPDDLV
     VKLNEMSGKK VAKIKVGMYE AIRDGMVANM FLELIPDLSL RLDANRGWTP KKAEQFANYV
     SPQYRSRIEF LEEPCHRPEE SLEFSKATGI AIAWDETVRD EGFEVKAQDG VAAIVIKPTL
     VGSVGKCIEL VEQAHLLGMQ AVISSSIESS LALTQLARLA AWKTPNTIPG LDTIDLFKMQ
     LDTPWPHCEL PMQALSDLEV IWES