ID   TAM_RHOP2               Reviewed;         256 AA.
AC   Q2IYT0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   07-MAR-2006, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=Trans-aconitate 2-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00560};
DE            EC=2.1.1.144 {ECO:0000255|HAMAP-Rule:MF_00560};
GN   Name=tam {ECO:0000255|HAMAP-Rule:MF_00560}; OrderedLocusNames=RPB_1922;
OS   Rhodopseudomonas palustris (strain HaA2).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=316058;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HaA2;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Chain P., Malfatti S., Shin M.,
RA   Vergez L., Schmutz J., Larimer F., Land M., Hauser L., Pelletier D.A.,
RA   Kyrpides N., Anderson I., Oda Y., Harwood C.S., Richardson P.;
RT   "Complete sequence of Rhodopseudomonas palustris HaA2.";
RL   Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the S-adenosylmethionine monomethyl esterification
CC       of trans-aconitate. {ECO:0000255|HAMAP-Rule:MF_00560}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=S-adenosyl-L-methionine + trans-aconitate = (E)-3-
CC         (methoxycarbonyl)pent-2-enedioate + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:14969, ChEBI:CHEBI:15708, ChEBI:CHEBI:57470,
CC         ChEBI:CHEBI:57856, ChEBI:CHEBI:59789; EC=2.1.1.144;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00560};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00560}.
CC   -!- SIMILARITY: Belongs to the methyltransferase superfamily. Tam family.
CC       {ECO:0000255|HAMAP-Rule:MF_00560}.
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DR   EMBL; CP000250; ABD06630.1; -; Genomic_DNA.
DR   RefSeq; WP_011440818.1; NC_007778.1.
DR   AlphaFoldDB; Q2IYT0; -.
DR   SMR; Q2IYT0; -.
DR   STRING; 316058.RPB_1922; -.
DR   EnsemblBacteria; ABD06630; ABD06630; RPB_1922.
DR   KEGG; rpb:RPB_1922; -.
DR   eggNOG; COG4106; Bacteria.
DR   HOGENOM; CLU_037990_5_2_5; -.
DR   OMA; RFDARYY; -.
DR   OrthoDB; 1739932at2; -.
DR   Proteomes; UP000008809; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0030798; F:trans-aconitate 2-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.150.290; -; 1.
DR   Gene3D; 3.40.50.150; -; 1.
DR   HAMAP; MF_00560; Tran_acon_Me_trans; 1.
DR   InterPro; IPR041698; Methyltransf_25.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   InterPro; IPR023506; Trans-aconitate_MeTrfase.
DR   InterPro; IPR023149; Trans_acon_MeTrfase_C.
DR   Pfam; PF13649; Methyltransf_25; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..256
FT                   /note="Trans-aconitate 2-methyltransferase"
FT                   /id="PRO_1000056574"
SQ   SEQUENCE   256 AA;  28782 MW;  C6FBD68EA01789EA CRC64;
     MADWSAEQYL KFEDERTRPA RELLAQIPVV APGKVADLGC GPGNSTELLV ERWPDASVIG
     VDTSADMLRQ ARERLPQQKF IEANVAHWAP PPGTEVLFAN AVFQWVPDHL KHLKRLITGL
     DEGGVLAVQM PDNVDEPSHV MMREVAFQEP WRHQLSQAAE LRDLLPKPGA YYDALRPLCS
     RLDIWHTVYN HVLDDAAAIV EWVKGTGLRP FIDPLDLHER KAYLAAYTAR VAAAYPPQSD
     GKVLLRFPRI FIVAIK