ID   TAM_ECO24               Reviewed;         252 AA.
AC   A7ZLX5;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 74.
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};
GN   OrderedLocusNames=EcE24377A_1719;
OS   Escherichia coli O139:H28 (strain E24377A / ETEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=331111;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=E24377A / ETEC;
RX   PubMed=18676672; DOI=10.1128/jb.00619-08;
RA   Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F.,
RA   Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R.,
RA   Henderson I.R., Sperandio V., Ravel J.;
RT   "The pangenome structure of Escherichia coli: comparative genomic analysis
RT   of E. coli commensal and pathogenic isolates.";
RL   J. Bacteriol. 190:6881-6893(2008).
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; CP000800; ABV16924.1; -; Genomic_DNA.
DR   RefSeq; WP_001286566.1; NC_009801.1.
DR   AlphaFoldDB; A7ZLX5; -.
DR   SMR; A7ZLX5; -.
DR   EnsemblBacteria; ABV16924; ABV16924; EcE24377A_1719.
DR   KEGG; ecw:EcE24377A_1719; -.
DR   HOGENOM; CLU_037990_5_2_6; -.
DR   OMA; YLAFADH; -.
DR   Proteomes; UP000001122; 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..252
FT                   /note="Trans-aconitate 2-methyltransferase"
FT                   /id="PRO_1000061120"
SQ   SEQUENCE   252 AA;  29042 MW;  7B9CF5CD21572DD7 CRC64;
     MSDWNPSLYL HFAAERSRPA VELLARVPLE NIKYVADLGC GPGNSTALLH QRWPAARITG
     IDSSPAMIAE ARSALPDCQF VEADIRNWQP EQALDLIFAN ASLQWLPDHY ELFPHLVSLL
     NPQGVLAVQM PDNWLEPTHV LMREVAWEQN YPDRGREPLA GVHAYYDILS EAGCEVDIWR
     TTYYHQMPSH QAIIDWVTAT GLRPWLQDLT ESEQQLFLKR YHQMLEEQYP LQENGQILLA
     FPRLFIVARR ME