ID   MEND_LEIXX              Reviewed;         592 AA.
AC   Q6AHC2;
DT   01-JUL-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2004, sequence version 1.
DT   25-MAY-2022, entry version 102.
DE   RecName: Full=2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase {ECO:0000255|HAMAP-Rule:MF_01659};
DE            Short=SEPHCHC synthase {ECO:0000255|HAMAP-Rule:MF_01659};
DE            EC=2.2.1.9 {ECO:0000255|HAMAP-Rule:MF_01659};
DE   AltName: Full=Menaquinone biosynthesis protein MenD {ECO:0000255|HAMAP-Rule:MF_01659};
GN   Name=menD {ECO:0000255|HAMAP-Rule:MF_01659}; OrderedLocusNames=Lxx01490;
OS   Leifsonia xyli subsp. xyli (strain CTCB07).
OC   Bacteria; Actinobacteria; Micrococcales; Microbacteriaceae; Leifsonia.
OX   NCBI_TaxID=281090;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CTCB07;
RX   PubMed=15305603; DOI=10.1094/mpmi.2004.17.8.827;
RA   Monteiro-Vitorello C.B., Camargo L.E.A., Van Sluys M.A., Kitajima J.P.,
RA   Truffi D., do Amaral A.M., Harakava R., de Oliveira J.C.F., Wood D.,
RA   de Oliveira M.C., Miyaki C.Y., Takita M.A., da Silva A.C.R., Furlan L.R.,
RA   Carraro D.M., Camarotte G., Almeida N.F. Jr., Carrer H., Coutinho L.L.,
RA   El-Dorry H.A., Ferro M.I.T., Gagliardi P.R., Giglioti E., Goldman M.H.S.,
RA   Goldman G.H., Kimura E.T., Ferro E.S., Kuramae E.E., Lemos E.G.M.,
RA   Lemos M.V.F., Mauro S.M.Z., Machado M.A., Marino C.L., Menck C.F.,
RA   Nunes L.R., Oliveira R.C., Pereira G.G., Siqueira W., de Souza A.A.,
RA   Tsai S.M., Zanca A.S., Simpson A.J.G., Brumbley S.M., Setubal J.C.;
RT   "The genome sequence of the Gram-positive sugarcane pathogen Leifsonia xyli
RT   subsp. xyli.";
RL   Mol. Plant Microbe Interact. 17:827-836(2004).
CC   -!- FUNCTION: Catalyzes the thiamine diphosphate-dependent decarboxylation
CC       of 2-oxoglutarate and the subsequent addition of the resulting succinic
CC       semialdehyde-thiamine pyrophosphate anion to isochorismate to yield 2-
CC       succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate (SEPHCHC).
CC       {ECO:0000255|HAMAP-Rule:MF_01659}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-oxoglutarate + H(+) + isochorismate = 5-enolpyruvoyl-6-
CC         hydroxy-2-succinyl-cyclohex-3-ene-1-carboxylate + CO2;
CC         Xref=Rhea:RHEA:25593, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC         ChEBI:CHEBI:16810, ChEBI:CHEBI:29780, ChEBI:CHEBI:58818; EC=2.2.1.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01659};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01659};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01659};
CC   -!- COFACTOR:
CC       Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01659};
CC       Note=Binds 1 thiamine pyrophosphate per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01659};
CC   -!- PATHWAY: Quinol/quinone metabolism; 1,4-dihydroxy-2-naphthoate
CC       biosynthesis; 1,4-dihydroxy-2-naphthoate from chorismate: step 2/7.
CC       {ECO:0000255|HAMAP-Rule:MF_01659}.
CC   -!- PATHWAY: Quinol/quinone metabolism; menaquinone biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_01659}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01659}.
CC   -!- SIMILARITY: Belongs to the TPP enzyme family. MenD subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01659}.
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DR   EMBL; AE016822; AAT88223.1; -; Genomic_DNA.
DR   RefSeq; WP_011185228.1; NC_006087.1.
DR   AlphaFoldDB; Q6AHC2; -.
DR   SMR; Q6AHC2; -.
DR   STRING; 281090.Lxx01490; -.
DR   EnsemblBacteria; AAT88223; AAT88223; Lxx01490.
DR   KEGG; lxx:Lxx01490; -.
DR   eggNOG; COG1165; Bacteria.
DR   HOGENOM; CLU_006051_4_0_11; -.
DR   OMA; FCNRGTS; -.
DR   OrthoDB; 897995at2; -.
DR   UniPathway; UPA00079; -.
DR   UniPathway; UPA01057; UER00164.
DR   Proteomes; UP000001306; Chromosome.
DR   GO; GO:0070204; F:2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylic-acid synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0030976; F:thiamine pyrophosphate binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0009234; P:menaquinone biosynthetic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01659; MenD; 1.
DR   InterPro; IPR004433; MenaQ_synth_MenD.
DR   InterPro; IPR029061; THDP-binding.
DR   InterPro; IPR012001; Thiamin_PyroP_enz_TPP-bd_dom.
DR   PANTHER; PTHR42916; PTHR42916; 1.
DR   Pfam; PF02776; TPP_enzyme_N; 1.
DR   PIRSF; PIRSF004983; MenD; 1.
DR   SUPFAM; SSF52518; SSF52518; 2.
DR   TIGRFAMs; TIGR00173; menD; 1.
PE   3: Inferred from homology;
KW   Magnesium; Manganese; Menaquinone biosynthesis; Metal-binding;
KW   Reference proteome; Thiamine pyrophosphate; Transferase.
FT   CHAIN           1..592
FT                   /note="2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-
FT                   carboxylate synthase"
FT                   /id="PRO_0000341764"
SQ   SEQUENCE   592 AA;  61513 MW;  D331DF15A4332D6E CRC64;
     MPDARAADEP AQRLPRTGNP ATDYALALLA HLIGAGVRDI VVSPGSRSQA LALAAAELER
     AGAVRLHVRL DERVGGFLAL GIGRETGAPA AVVTTSGTAT ANLHPAVLEA HESGVPLIVI
     TADRPPELRG IRSSQTTHQD GLYGVAVRLA KDVPAPSGEE EDVATAARLA VESVRAAVGA
     ETADPGPVHL NLAFREPLSV AVPPLPVVER GALPALAGAQ KLGRETVVPG IGPSTVVIAG
     ADAGPEAEEY ARSAGFPLLA EVSSGSRFGP NLVVAYRELL REPEFGGRVR RAVVFGHPTL
     SREVPALLLR DDVETVVVAP RGRQAYNPGR RAVIVGAVRP AVEADPRSPE ARAWVGLWVS
     ASRRLVEAAE RVASPDATAP DLAKARSLDP SDALAFARME LAAVRAPITR PLLAEALWRH
     TWPHDRLVLG ASRLIRDADR IVPGKRLRVH SNRGLAGIDG TIATAIGVAL ASQAVAVETG
     TLPGITRVLL GDLALLHDAG ALLGGSGEAW PNVQVIVGND GGGTIFDGLE VATIASPAAF
     DRVLYTPQRG DIAALSTAYG WAHRVVRTKG ELDQALSAPP AGASVLEVPL ER