ID L8J4N9_9GAMM Unreviewed; 583 AA.
AC L8J4N9;
DT 03-APR-2013, integrated into UniProtKB/TrEMBL.
DT 03-APR-2013, sequence version 1.
DT 24-JAN-2024, entry version 48.
DE RecName: Full=2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase {ECO:0000256|HAMAP-Rule:MF_01659};
DE Short=SEPHCHC synthase {ECO:0000256|HAMAP-Rule:MF_01659};
DE EC=2.2.1.9 {ECO:0000256|HAMAP-Rule:MF_01659};
DE AltName: Full=Menaquinone biosynthesis protein MenD {ECO:0000256|HAMAP-Rule:MF_01659};
GN Name=menD {ECO:0000256|HAMAP-Rule:MF_01659};
GN ORFNames=C942_03385 {ECO:0000313|EMBL:ELR63716.1};
OS Photobacterium marinum.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Photobacterium.
OX NCBI_TaxID=1056511 {ECO:0000313|EMBL:ELR63716.1, ECO:0000313|Proteomes:UP000011134};
RN [1] {ECO:0000313|EMBL:ELR63716.1, ECO:0000313|Proteomes:UP000011134}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AK15 {ECO:0000313|EMBL:ELR63716.1,
RC ECO:0000313|Proteomes:UP000011134};
RA Khatri I., Vaidya B., Srinivas T.N.R., Subramanian S., Pinnaka A.;
RT "Genome Assembly of Photobacterium sp. AK15.";
RL Submitted (DEC-2012) to the EMBL/GenBank/DDBJ databases.
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:0000256|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:0000256|HAMAP-Rule:MF_01659};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01659};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01659};
CC -!- COFACTOR:
CC Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01659};
CC Note=Binds 1 thiamine pyrophosphate per subunit. {ECO:0000256|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:0000256|HAMAP-Rule:MF_01659}.
CC -!- PATHWAY: Quinol/quinone metabolism; menaquinone biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_01659}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01659}.
CC -!- SIMILARITY: Belongs to the TPP enzyme family. MenD subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_01659}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ELR63716.1}.
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DR EMBL; AMZO01000036; ELR63716.1; -; Genomic_DNA.
DR AlphaFoldDB; L8J4N9; -.
DR PATRIC; fig|1056511.3.peg.4309; -.
DR UniPathway; UPA00079; -.
DR UniPathway; UPA01057; UER00164.
DR Proteomes; UP000011134; Unassembled WGS sequence.
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:0019752; P:carboxylic acid metabolic process; IEA:UniProt.
DR GO; GO:0009234; P:menaquinone biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd07037; TPP_PYR_MenD; 1.
DR CDD; cd02009; TPP_SHCHC_synthase; 1.
DR Gene3D; 3.40.50.970; -; 2.
DR Gene3D; 3.40.50.1220; TPP-binding domain; 1.
DR HAMAP; MF_01659; MenD; 1.
DR InterPro; IPR029035; DHS-like_NAD/FAD-binding_dom.
DR InterPro; IPR004433; MenaQ_synth_MenD.
DR InterPro; IPR032264; MenD_middle.
DR InterPro; IPR029061; THDP-binding.
DR InterPro; IPR012001; Thiamin_PyroP_enz_TPP-bd_dom.
DR InterPro; IPR011766; TPP_enzyme_TPP-bd.
DR NCBIfam; TIGR00173; menD; 1.
DR PANTHER; PTHR42916; 2-SUCCINYL-5-ENOLPYRUVYL-6-HYDROXY-3-CYCLOHEXENE-1-CARBOXYLATE SYNTHASE; 1.
DR PANTHER; PTHR42916:SF1; PROTEIN PHYLLO, CHLOROPLASTIC; 1.
DR Pfam; PF02775; TPP_enzyme_C; 1.
DR Pfam; PF16582; TPP_enzyme_M_2; 1.
DR Pfam; PF02776; TPP_enzyme_N; 1.
DR PIRSF; PIRSF004983; MenD; 1.
DR SUPFAM; SSF52467; DHS-like NAD/FAD-binding domain; 1.
DR SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 2.
PE 3: Inferred from homology;
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01659};
KW Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|HAMAP-Rule:MF_01659};
KW Menaquinone biosynthesis {ECO:0000256|HAMAP-Rule:MF_01659};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01659}; Thiamine pyrophosphate {ECO:0000256|HAMAP-Rule:MF_01659};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01659}.
FT DOMAIN 27..135
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 199..413
FT /note="Menaquinone biosynthesis protein MenD middle"
FT /evidence="ECO:0000259|Pfam:PF16582"
FT DOMAIN 438..559
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 583 AA; 63220 MW; 5525631EE65E1EAB CRC64;
MSKSGMMSVT GSPLPARAAL NKLWAGLMLE ELARLGVKHV CIAPGSRSTP LTLAASDNDR
LTLHTHFDER GLGFMALGLA KASGEPVAVV VTSGTAVANL LPAVAESGLT GEKLVLLTSD
RPHELIQCGA NQAIRQHGIF SDHVTEFHDL PSPTQDISPG WLLTTIDSAM YQQKVRGGSV
HFNCHYPEPL YGEEQDFSSY LTPVQDWWAD GKPYTHYHQA MSEQAVINPE SLAEFACSKG
VVIAGRMAPG ELTLVAALAE KMGWPLLADP QAGGSSDWAG FDVWMQNELC RQHIEQAEVV
LQFGGRLVSK RLLQFIGSHQ WQQYWLVDPL DGRLDPAHRR SHRVQAAIGN WAEQACELLG
EVFTSPSVGW AEGLKRASSA YFHLLAEQND QLTEISLAAN LPKWLPEQTE LFLGNSLIVR
LLDMCGQLPQ TATFANRGAS GIDGLIATAA GVQRARQAPL LCLLGDTSLL YDLNSLALLK
SSPRPIVVLV TNNDGGAIFD MLPVPDAKKD ALYRMPHGLE FSHAAAMFGM DYHKPETLPE
AEQACRQGLI QPGATLIEVQ TPPGQSGQML KSLFAEVKHA ALL
//
