ID   MENC_VIBCH              Reviewed;         332 AA.
AC   Q9KQM6;
DT   02-NOV-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 116.
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=VC_1972;
OS   Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=243277;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 39315 / El Tor Inaba N16961;
RX   PubMed=10952301; DOI=10.1038/35020000;
RA   Heidelberg J.F., Eisen J.A., Nelson W.C., Clayton R.A., Gwinn M.L.,
RA   Dodson R.J., Haft D.H., Hickey E.K., Peterson J.D., Umayam L.A., Gill S.R.,
RA   Nelson K.E., Read T.D., Tettelin H., Richardson D.L., Ermolaeva M.D.,
RA   Vamathevan J.J., Bass S., Qin H., Dragoi I., Sellers P., McDonald L.A.,
RA   Utterback T.R., Fleischmann R.D., Nierman W.C., White O., Salzberg S.L.,
RA   Smith H.O., Colwell R.R., Mekalanos J.J., Venter J.C., Fraser C.M.;
RT   "DNA sequence of both chromosomes of the cholera pathogen Vibrio
RT   cholerae.";
RL   Nature 406:477-483(2000).
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; AE003852; AAF95120.1; -; Genomic_DNA.
DR   PIR; F82134; F82134.
DR   RefSeq; NP_231606.1; NC_002505.1.
DR   RefSeq; WP_001215211.1; NZ_LT906614.1.
DR   AlphaFoldDB; Q9KQM6; -.
DR   SMR; Q9KQM6; -.
DR   STRING; 243277.VC_1972; -.
DR   DNASU; 2613476; -.
DR   EnsemblBacteria; AAF95120; AAF95120; VC_1972.
DR   GeneID; 57740597; -.
DR   KEGG; vch:VC_1972; -.
DR   PATRIC; fig|243277.26.peg.1884; -.
DR   eggNOG; COG1441; Bacteria.
DR   HOGENOM; CLU_030273_0_1_6; -.
DR   OMA; YEANRDG; -.
DR   BioCyc; VCHO:VC1972-MON; -.
DR   UniPathway; UPA00079; -.
DR   UniPathway; UPA01057; UER00165.
DR   Proteomes; UP000000584; 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;
KW   Reference proteome.
FT   CHAIN           1..332
FT                   /note="o-succinylbenzoate synthase"
FT                   /id="PRO_0000171276"
FT   ACT_SITE        135
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   ACT_SITE        241
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   332 AA;  36647 MW;  FB18CC8E02C624EB CRC64;
     MRHATLYRYQ LPMDSGVILR NEKLTQREGF IVELTENGRT ARGEIAPLPG FSRETLEDAG
     LQAQALLEQW VKGHAIEWDA QHPSVAFGLS MAHYELEQAL PEQGNYYVAP LCTGDPDELL
     PVLNNLPGQK VAKVKVGLYE PIRDGMLVNL FLESMPDLTL RLDANRAWTP AKALKFAQYV
     APSLRSRIAF LEEPCQSPSE SIAFSIDTGI AIAWDETLQE AVRDADFALE NLLGVKTIVI
     KPTLIGSVYR VEALIEKAKT LGLQAVISSS LESSLGLNQL ARLAHKLLPN EVPGLDTIGL
     FRAQLETPWP NSSLPVVALQ EQSIVWRSES SL