GenomeNet

Database: UniProt
Entry: B1XN42_SYNP2
LinkDB: B1XN42_SYNP2
Original site: B1XN42_SYNP2 
ID   B1XN42_SYNP2            Unreviewed;       579 AA.
AC   B1XN42;
DT   20-MAY-2008, integrated into UniProtKB/TrEMBL.
DT   20-MAY-2008, sequence version 1.
DT   24-JAN-2024, entry version 111.
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};
GN   Name=menD {ECO:0000256|HAMAP-Rule:MF_01659,
GN   ECO:0000313|EMBL:ACA99522.1};
GN   OrderedLocusNames=SYNPCC7002_A1531 {ECO:0000313|EMBL:ACA99522.1};
OS   Synechococcus sp. (strain ATCC 27264 / PCC 7002 / PR-6) (Agmenellum
OS   quadruplicatum).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC   Chroococcales; Geminocystaceae; Picosynechococcus.
OX   NCBI_TaxID=32049 {ECO:0000313|EMBL:ACA99522.1, ECO:0000313|Proteomes:UP000001688};
RN   [1] {ECO:0000313|Proteomes:UP000001688}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27264 / PCC 7002 / PR-6
RC   {ECO:0000313|Proteomes:UP000001688};
RA   Li T., Zhao J., Zhao C., Liu Z., Zhao F., Marquardt J., Nomura C.T.,
RA   Persson S., Detter J.C., Richardson P.M., Lanz C., Schuster S.C., Wang J.,
RA   Li S., Huang X., Cai T., Yu Z., Luo J., Zhao J., Bryant D.A.;
RT   "Complete sequence of Synechococcus sp. PCC 7002.";
RL   Submitted (FEB-2008) 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: Cofactor biosynthesis; phylloquinone biosynthesis.
CC       {ECO:0000256|HAMAP-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   -!- 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   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000951; ACA99522.1; -; Genomic_DNA.
DR   RefSeq; WP_012307145.1; NZ_JAHHPU010000007.1.
DR   AlphaFoldDB; B1XN42; -.
DR   STRING; 32049.SYNPCC7002_A1531; -.
DR   DNASU; 6055233; -.
DR   KEGG; syp:SYNPCC7002_A1531; -.
DR   eggNOG; COG1165; Bacteria.
DR   HOGENOM; CLU_006051_3_0_3; -.
DR   OMA; FCNRGTS; -.
DR   UniPathway; UPA00995; -.
DR   UniPathway; UPA01057; UER00164.
DR   Proteomes; UP000001688; 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:InterPro.
DR   GO; GO:0042372; P:phylloquinone 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; 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; 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   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01659}; Reference proteome {ECO:0000313|Proteomes:UP000001688};
KW   Thiamine pyrophosphate {ECO:0000256|HAMAP-Rule:MF_01659};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_01659}.
FT   DOMAIN          15..126
FT                   /note="Thiamine pyrophosphate enzyme N-terminal TPP-
FT                   binding"
FT                   /evidence="ECO:0000259|Pfam:PF02776"
FT   DOMAIN          215..408
FT                   /note="Menaquinone biosynthesis protein MenD middle"
FT                   /evidence="ECO:0000259|Pfam:PF16582"
FT   DOMAIN          418..543
FT                   /note="Thiamine pyrophosphate enzyme TPP-binding"
FT                   /evidence="ECO:0000259|Pfam:PF02775"
SQ   SEQUENCE   579 AA;  64364 MW;  B4A162EA0759465C CRC64;
     MGLDFSNLNS LWAGVMVETL ARLGLQSAVI CPGSRSTPLT VALARHPQIK TIPILDERSA
     AFFALGLAKS SGLPTVLVCT SGTAGANFYP AVIEAYQSAV PLIIFTGDRP PELRDCHSGQ
     TIDQIKLFGN FAQWFSEMAT PLGTVEMLRY ARQTMVQAWR RSQFPQKGVV HLNCPFRDPL
     APLADGSVTH LKDVLKADFF AGIQPLEKAE FSADILPTEA WKNYARGLII AGVNQPDDPD
     VYCQAIAQLS GYLSFPVLTE ALSPVRNYAH YFPQGLVITY DFILRDQNLA ETLKPEIVIQ
     IGALPTSKIL RAWLEAQQIQ TYILSERADN FDPLHRPHQY LAVNLRTMKY LGIFPDNEKG
     LPYLDLWQTQ DAKIRAKLAA VFQAEQNLNE AAIAYCLARA LPEETAIFFA NSMVVRYAEF
     FWQLNDQQIL PYFNRGANGI DGTLSTALGI AENHSPAVLL TGDLALLHDI NGFLTLSKFT
     GSLTIIVINN QGGGIFEMLP IAEEKDIFED YFATPQTVEF SKVCDLYGIE YQAIQTKADL
     MQTCAILPPR GVRLLEVKTN RNQAMTWLKD LFQGFQSHF
//
DBGET integrated database retrieval system