MENC_ECO8A
ID MENC_ECO8A Reviewed; 320 AA.
AC B7M5U4;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 24-MAR-2009, sequence version 1.
DT 03-AUG-2022, entry version 74.
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=ECIAI1_2339;
OS Escherichia coli O8 (strain IAI1).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=585034;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IAI1;
RX PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT "Organised genome dynamics in the Escherichia coli species results in
RT highly diverse adaptive paths.";
RL PLoS Genet. 5:E1000344-E1000344(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; CU928160; CAQ99181.1; -; Genomic_DNA.
DR RefSeq; WP_001255609.1; NC_011741.1.
DR AlphaFoldDB; B7M5U4; -.
DR SMR; B7M5U4; -.
DR GeneID; 66673852; -.
DR KEGG; ecr:ECIAI1_2339; -.
DR HOGENOM; CLU_030273_0_1_6; -.
DR OMA; YEANRDG; -.
DR UniPathway; UPA00079; -.
DR UniPathway; UPA01057; UER00165.
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_1000125569"
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; 35469 MW; 0E25A1A00E77AD79 CRC64;
MRSAQVYRWQ IPMDAGVVLR DRRLKTRDGL YVCLREGERE GWGEISPLPG FSQETWEEAQ
SVLLAWVNNW LAGDCELPQM PSVAFGVSCA LAELADTLPQ AANYRAAPLC NGDPDDLILK
LADMPGEKVA KVKVGLYEAV RDGMVVNLLL EAIPDLHLRL DANRAWTPLK GQQFAKYVNP
DYRHRIAFLE EPCKTRDDSR AFARETGIAI AWDESLREPD FAFVAEEGVR AVVIKPTLTG
SLEKVREQVQ AAHALGLTAV ISSSIESSLG LTQLARIAAW LTPDTIPGLD TLDLMQAQQV
RRWPGSTLPV VEVDALERLL
