MENC_ECO27
ID MENC_ECO27 Reviewed; 320 AA.
AC B7UFS4;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-FEB-2009, sequence version 1.
DT 03-AUG-2022, entry version 75.
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=E2348C_2406;
OS Escherichia coli O127:H6 (strain E2348/69 / EPEC).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=574521;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=E2348/69 / EPEC;
RX PubMed=18952797; DOI=10.1128/jb.01238-08;
RA Iguchi A., Thomson N.R., Ogura Y., Saunders D., Ooka T., Henderson I.R.,
RA Harris D., Asadulghani M., Kurokawa K., Dean P., Kenny B., Quail M.A.,
RA Thurston S., Dougan G., Hayashi T., Parkhill J., Frankel G.;
RT "Complete genome sequence and comparative genome analysis of
RT enteropathogenic Escherichia coli O127:H6 strain E2348/69.";
RL J. Bacteriol. 191:347-354(2009).
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; FM180568; CAS09954.1; -; Genomic_DNA.
DR RefSeq; WP_001255593.1; NC_011601.1.
DR AlphaFoldDB; B7UFS4; -.
DR SMR; B7UFS4; -.
DR EnsemblBacteria; CAS09954; CAS09954; E2348C_2406.
DR KEGG; ecg:E2348C_2406; -.
DR HOGENOM; CLU_030273_0_1_6; -.
DR OMA; YEANRDG; -.
DR UniPathway; UPA00079; -.
DR UniPathway; UPA01057; UER00165.
DR Proteomes; UP000008205; 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_1000135484"
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; 35455 MW; 5B04E1298F1E2B85 CRC64;
MRSAQVYRWQ IPMDAGVVLR DRRLKTRDGL YVCLREGERE GWGEISPLPG FSQETWEDAQ
SVLLAWVNNW LAGDCELPQM PSVAFGVSCA LAELAETLPQ AANYRAAPLC NGDPDDLILK
LADMPGEKVA KVKVGLYEAV RDGMVVNLLL EAIPDLHLRL DANRAWTPLK GQQFAKYVNL
DYRHRIAFLE EPCKTRDDSR AFARETGIAI AWDESLREPD FAFVAEEGVR AVVIKPTLTG
SLDKVREQVQ AAHALGLTAV ISSSIESSLG LTQLARIAAW LTPDTIPGLD TLDLMQAQQV
RRWPGSLLPL VDVDALEQLL
