ID   TAM_ECO8A               Reviewed;         252 AA.
AC   B7LZC1;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 65.
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=ECIAI1_1531;
OS   Escherichia coli O8 (strain IAI1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585034;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IAI1;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
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; CU928160; CAQ98388.1; -; Genomic_DNA.
DR   RefSeq; WP_001286566.1; NC_011741.1.
DR   AlphaFoldDB; B7LZC1; -.
DR   SMR; B7LZC1; -.
DR   KEGG; ecr:ECIAI1_1531; -.
DR   HOGENOM; CLU_037990_5_2_6; -.
DR   OMA; YLAFADH; -.
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_1000129253"
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