ID   TAM_ECOK1               Reviewed;         252 AA.
AC   A1AB99;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 1.
DT   03-AUG-2022, entry version 83.
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=Ecok1_14450;
GN   ORFNames=APECO1_639;
OS   Escherichia coli O1:K1 / APEC.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=405955;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17293413; DOI=10.1128/jb.01726-06;
RA   Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J.,
RA   Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.;
RT   "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7
RT   shares strong similarities with human extraintestinal pathogenic E. coli
RT   genomes.";
RL   J. Bacteriol. 189:3228-3236(2007).
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; CP000468; ABJ00939.1; -; Genomic_DNA.
DR   RefSeq; WP_001286589.1; NC_008563.1.
DR   AlphaFoldDB; A1AB99; -.
DR   SMR; A1AB99; -.
DR   EnsemblBacteria; ABJ00939; ABJ00939; APECO1_639.
DR   KEGG; ecv:APECO1_639; -.
DR   HOGENOM; CLU_037990_5_2_6; -.
DR   OMA; YLAFADH; -.
DR   Proteomes; UP000008216; 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_1000056556"
SQ   SEQUENCE   252 AA;  28945 MW;  75EB2A90CF55E0B9 CRC64;
     MSDWNPSLYL HFAAERSRPA VELLARVSLE NIEYIADLGC GTGNSTALLH QRWPAARITG
     IDSSPAMIAE ARSALPDSLF VEADIRNWQP EQALDLIFAN ASLQWLPDHY ELFPHLVSLL
     SPLGVLAVQM PDNWLEPTHV LMREVAWEQN YPDRGREPLA GVHAYYDILS EAGCEVDIWR
     TTYYHQMPSH QAIIDWVTAT GLRPWLQDLT ESEQQHFLTR YHQMLEEQYP LQENGQILLA
     FPRLFIVARR TE