ID   MENC_ECOK1              Reviewed;         320 AA.
AC   A1ADB3;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 1.
DT   03-AUG-2022, entry version 91.
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=Ecok1_21590;
GN   ORFNames=APECO1_4300;
OS   Escherichia coli O1:K1 / APEC.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=405955;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17293413; DOI=10.1128/jb.01726-06;
RA   Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J.,
RA   Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.;
RT   "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7
RT   shares strong similarities with human extraintestinal pathogenic E. coli
RT   genomes.";
RL   J. Bacteriol. 189:3228-3236(2007).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000468; ABJ01653.1; -; Genomic_DNA.
DR   RefSeq; WP_001255587.1; NC_008563.1.
DR   AlphaFoldDB; A1ADB3; -.
DR   SMR; A1ADB3; -.
DR   EnsemblBacteria; ABJ01653; ABJ01653; APECO1_4300.
DR   KEGG; ecv:APECO1_4300; -.
DR   HOGENOM; CLU_030273_0_1_6; -.
DR   OMA; YEANRDG; -.
DR   UniPathway; UPA00079; -.
DR   UniPathway; UPA01057; UER00165.
DR   Proteomes; UP000008216; Chromosome.
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..320
FT                   /note="o-succinylbenzoate synthase"
FT                   /id="PRO_1000013798"
FT   ACT_SITE        133
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   ACT_SITE        235
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   BINDING         161
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   BINDING         190
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT   BINDING         213
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
SQ   SEQUENCE   320 AA;  35451 MW;  AB04F7F96B05AA31 CRC64;
     MRSAQVYRWQ IPMDAGVVLR DRRLKTRDGL YVCLREGERE GWGEISPLPG FSQETWEDAQ
     SVLLAWVNNW LAGDCEIPQM PSVAFGVSCA LAELAETLPQ AANYRAAPLC NGDPDDLILK
     LADMPGEKVA KVKVGLYEAV RDGMVVNLLL EAIPDLHLRL DANRAWTPLK GQQFAKYVNP
     DYRHRIAFLE EPCKTRDDSR AFARETGIAI AWDESLREPD FAFVAEEGVR AVVIKPTLTG
     SLDKVREQVQ AAHALGLTAV ISSSIESSLG LTQLARIAAW LTPDTIPGLD TLDLMQAQQV
     RRWPGSPLPL VDVDALERLL