ID A0A1S2VRP0_9BACT Unreviewed; 576 AA.
AC A0A1S2VRP0;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 22.
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=BLX24_02290 {ECO:0000313|EMBL:OIN60936.1};
OS Arsenicibacter rosenii.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Spirosomataceae;
OC Arsenicibacter.
OX NCBI_TaxID=1750698 {ECO:0000313|EMBL:OIN60936.1, ECO:0000313|Proteomes:UP000181790};
RN [1] {ECO:0000313|EMBL:OIN60936.1, ECO:0000313|Proteomes:UP000181790}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SM-1 {ECO:0000313|EMBL:OIN60936.1,
RC ECO:0000313|Proteomes:UP000181790};
RA Huang K.;
RT "Arsenicibacter rosenii gen. nov., sp. nov., an efficient arsenic-
RT methylating bacterium isolated from an arsenic-contaminated paddy soil.";
RL Submitted (OCT-2016) 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:OIN60936.1}.
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DR EMBL; MORL01000001; OIN60936.1; -; Genomic_DNA.
DR RefSeq; WP_071501440.1; NZ_MORL01000001.1.
DR AlphaFoldDB; A0A1S2VRP0; -.
DR OrthoDB; 9791859at2; -.
DR UniPathway; UPA00079; -.
DR UniPathway; UPA01057; UER00164.
DR Proteomes; UP000181790; 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: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 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; 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|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|HAMAP-Rule:MF_01659};
KW Reference proteome {ECO:0000313|Proteomes:UP000181790};
KW Thiamine pyrophosphate {ECO:0000256|HAMAP-Rule:MF_01659};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01659}.
FT DOMAIN 10..118
FT /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT binding"
FT /evidence="ECO:0000259|Pfam:PF02776"
SQ SEQUENCE 576 AA; 64181 MW; 6ACD753C81552625 CRC64;
MPILQPIVNI AELLSRKGMT DVIVSPGSRS APLTLAVVRH PGLQVRVVPD ERSAGFIALG
LAQQQQRPVG VICTSGSAVY NLAPAVAEAY FQEIPLLLLT ADRPREWVHQ QDGQTMFQAG
IFGQHVKRSY ELPADYDHPD SRWFIERSLN EAYNLTVSGA RGPVHINIPL REPFYPKPDE
RFRYEPVRII DTLPTEPSLK TEDWHRIQAV WEGTGKKLIA VGQMPDDPVL IGWLRKLSDE
FQVPVVGEIV SNLARNGQFI TFADTFLAVP DEAFKRSLQP DLLITLGLSF LTRNLKTFLR
QFPASQHWHI APVADRVTDP FRTLTTQIPM EPAAFFSKLF SDLDYQRFLQ GDEEDDTDGF
LERWQQADRK AGRVIRKSLA GDTLTDFRAT AMVLDALPAG SELHLSNSMP VRYATLCGLD
ERQAVAVRAN RGVSGIDGCL STAVGAALGT DRLVTLFIGD VAFFYDRNGL WNNYLPANLR
MVLFNNHGGH IFRMIDGPGQ QPELEAFFEV AQPLTAERTA ADAGIGYRVC TTLAEVKAAL
PDFFDPSATV QLLEIKTDKY LNQEEFAAYK AAVRSM
//