MENC_KLEP3
ID MENC_KLEP3 Reviewed; 321 AA.
AC B5XNX3;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 25-NOV-2008, sequence version 1.
DT 03-AUG-2022, entry version 72.
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=KPK_1490;
OS Klebsiella pneumoniae (strain 342).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX NCBI_TaxID=507522;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=342;
RX PubMed=18654632; DOI=10.1371/journal.pgen.1000141;
RA Fouts D.E., Tyler H.L., DeBoy R.T., Daugherty S., Ren Q., Badger J.H.,
RA Durkin A.S., Huot H., Shrivastava S., Kothari S., Dodson R.J., Mohamoud Y.,
RA Khouri H., Roesch L.F.W., Krogfelt K.A., Struve C., Triplett E.W.,
RA Methe B.A.;
RT "Complete genome sequence of the N2-fixing broad host range endophyte
RT Klebsiella pneumoniae 342 and virulence predictions verified in mice.";
RL PLoS Genet. 4:E1000141-E1000141(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; CP000964; ACI07304.1; -; Genomic_DNA.
DR AlphaFoldDB; B5XNX3; -.
DR SMR; B5XNX3; -.
DR EnsemblBacteria; ACI07304; ACI07304; KPK_1490.
DR KEGG; kpe:KPK_1490; -.
DR HOGENOM; CLU_030273_0_1_6; -.
DR OMA; YEANRDG; -.
DR OrthoDB; 951991at2; -.
DR UniPathway; UPA00079; -.
DR UniPathway; UPA01057; UER00165.
DR Proteomes; UP000001734; 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..321
FT /note="o-succinylbenzoate synthase"
FT /id="PRO_1000125575"
FT ACT_SITE 134
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT ACT_SITE 236
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT BINDING 162
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT BINDING 191
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
FT BINDING 214
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00470"
SQ SEQUENCE 321 AA; 35365 MW; 78CD961E088349F1 CRC64;
MRVSQVYRWQ IPMDAGVVLR ERRLKTRDGL FIRLQEDERE GWGEISPLPG FSNETLEEAQ
TALLAWAQAW RDGAEPPLPT LPSVAFGISC AQAELYGELP QAADYRAAPL CSGDPDELFA
KLAAMPGEKV AKVKVGLWEA VRDGMVVNLL LEAIPDLQLR LDANRAWTPL KAQQFAKYVN
PAYRQRIAFL EEPCKTREDS RAFSRETGIA IAWDESLREA DFRFVAEPGV RAVVIKPTLT
GSVQKVQQQV AAAHALGLSA VISSSIESSL GLTQLARVAA WLTPQTIPGL DTLALMSAQL
VRPWPESTLP MINIDALEPL L
