ID A0A060JK94_9MICO Unreviewed; 525 AA.
AC A0A060JK94;
DT 03-SEP-2014, integrated into UniProtKB/TrEMBL.
DT 03-SEP-2014, sequence version 1.
DT 24-JAN-2024, entry version 47.
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=Rhola_00002110 {ECO:0000313|EMBL:AIC47038.1};
OS Rhodoluna lacicola.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Microbacteriaceae;
OC Luna cluster; Luna-1 subcluster; Rhodoluna.
OX NCBI_TaxID=529884 {ECO:0000313|EMBL:AIC47038.1, ECO:0000313|Proteomes:UP000067708};
RN [1] {ECO:0000313|EMBL:AIC47038.1, ECO:0000313|Proteomes:UP000067708}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MWH-Ta8 {ECO:0000313|EMBL:AIC47038.1,
RC ECO:0000313|Proteomes:UP000067708};
RX PubMed=24984700; DOI=10.1099/ijs.0.065292-0;
RA Hahn M., Schmidt J., Taipale S.J., Doolittle W.F., Koll U.;
RT "Rhodoluna lacicola gen. nov., sp. nov., a planktonic freshwater bacterium
RT with stream-lined genome.";
RL Int. J. Syst. Evol. Microbiol. 64:3254-3263(2014).
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}.
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DR EMBL; CP007490; AIC47038.1; -; Genomic_DNA.
DR RefSeq; WP_051636156.1; NZ_CP007490.1.
DR AlphaFoldDB; A0A060JK94; -.
DR STRING; 529884.Rhola_00002110; -.
DR KEGG; rla:Rhola_00002110; -.
DR PATRIC; fig|529884.3.peg.200; -.
DR eggNOG; COG1165; Bacteria.
DR HOGENOM; CLU_006051_4_0_11; -.
DR OrthoDB; 9791859at2; -.
DR UniPathway; UPA00079; -.
DR UniPathway; UPA01057; UER00164.
DR Proteomes; UP000067708; 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 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; IPR004433; MenaQ_synth_MenD.
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; PF02776; TPP_enzyme_N; 1.
DR PIRSF; PIRSF004983; MenD; 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}; Reference proteome {ECO:0000313|Proteomes:UP000067708};
KW Thiamine pyrophosphate {ECO:0000256|HAMAP-Rule:MF_01659};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01659}.
FT DOMAIN 11..127
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
FT DOMAIN 397..514
FT /note="Thiamine pyrophosphate enzyme TPP-binding"
FT /evidence="ECO:0000259|Pfam:PF02775"
SQ SEQUENCE 525 AA; 55853 MW; A405C284CDA66632 CRC64;
MSQSSSPAQS FAAQLLASLA KAGVRNFFLA PGARSQALAI AAGQLAEAGK IDLHIRLDER
GMGFTAVGAA LASGQPSVLI TTSGTAVANL HPAVLEAHHS GVPLILLTAD RPHELRGVGA
NQTTNQIGIF NDAVRECVDV PAPNGNDGEA REASQLAVNA IAVAMGYDGD QPGPVQLNLA
FREPLSSTSP NAAELNPLIE LPDIFEPNPE FAMLSAEVPT VVVAGAGAGS EAVELAEAFG
WPILAEPSSG ARHGANAIIG YRRILENHEL AKEIRRVVIY GKPTLGRAVI RLLFNEEVEV
VVVRSKVMGH FDVSRRASKV VDEIAIDNEV SFEWLERWRL ADAEVTAPES SKLDRRTLVE
AVWNATNGPD QLLLGASRLI READAWAPAK LLLVYSNRGL AGIDGTVATA TGLALIEREG
TTRALIGDLT LLHDASSLAI DPADGDLNIQ IVVGNDGGGT IFSGLEMAEQ LEPKTFERLF
TTPQQVDIWH LAQAYGWNYI RVESTAELET ALQTTGRVVI DVRLK
//