ID   TAM_ECO45               Reviewed;         252 AA.
AC   B7MMY3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 67.
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=ECS88_1596;
OS   Escherichia coli O45:K1 (strain S88 / ExPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585035;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=S88 / ExPEC;
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; CU928161; CAR02911.1; -; Genomic_DNA.
DR   RefSeq; WP_001286588.1; NC_011742.1.
DR   AlphaFoldDB; B7MMY3; -.
DR   SMR; B7MMY3; -.
DR   EnsemblBacteria; CAR02911; CAR02911; ECS88_1596.
DR   KEGG; ecz:ECS88_1596; -.
DR   HOGENOM; CLU_037990_5_2_6; -.
DR   OMA; YLAFADH; -.
DR   Proteomes; UP000000747; 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_1000129250"
SQ   SEQUENCE   252 AA;  28957 MW;  61D1CF3939D19869 CRC64;
     MSDWNPSLYL HFAAERSRPA VELLARVSLE NIEYIADLGC GPGNSTALLH QRWPAARITG
     IDSSPAMIAE ARSALPDCLF VEADIRNWQP EQALDLIFAN ASLQWLPDHY ELFPHLVSLL
     SPLGVLAVQM PDNWLEPTHV LMREVAWEQN YPDRGREPLA GVHAYYDILS EAGCEVDIWR
     TTYYHQMPSH QAIIDWVTAT GLRPWLQDLT ESEQQHFLTR YHQMLEEQYP LQENGQILLA
     FPRLFIVARR TE