ID   PPTA_ENT38              Reviewed;          76 AA.
AC   A4WAM9;
DT   02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   25-MAY-2022, entry version 83.
DE   RecName: Full=Tautomerase PptA {ECO:0000255|HAMAP-Rule:MF_00718};
DE            EC=5.3.2.- {ECO:0000255|HAMAP-Rule:MF_00718};
GN   Name=pptA {ECO:0000255|HAMAP-Rule:MF_00718}; OrderedLocusNames=Ent638_2084;
OS   Enterobacter sp. (strain 638).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Enterobacter.
OX   NCBI_TaxID=399742;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=638;
RX   PubMed=20485560; DOI=10.1371/journal.pgen.1000943;
RA   Taghavi S., van der Lelie D., Hoffman A., Zhang Y.B., Walla M.D.,
RA   Vangronsveld J., Newman L., Monchy S.;
RT   "Genome sequence of the plant growth promoting endophytic bacterium
RT   Enterobacter sp. 638.";
RL   PLoS Genet. 6:E1000943-E1000943(2010).
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00718}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00718}.
CC   -!- SIMILARITY: Belongs to the 4-oxalocrotonate tautomerase family. PptA
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00718}.
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DR   EMBL; CP000653; ABP60759.1; -; Genomic_DNA.
DR   RefSeq; WP_012017474.1; NC_009436.1.
DR   AlphaFoldDB; A4WAM9; -.
DR   SMR; A4WAM9; -.
DR   STRING; 399742.Ent638_2084; -.
DR   PRIDE; A4WAM9; -.
DR   EnsemblBacteria; ABP60759; ABP60759; Ent638_2084.
DR   KEGG; ent:Ent638_2084; -.
DR   eggNOG; COG1942; Bacteria.
DR   HOGENOM; CLU_183611_0_1_6; -.
DR   OMA; IKCFPRD; -.
DR   OrthoDB; 2013680at2; -.
DR   Proteomes; UP000000230; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0016862; F:intramolecular oxidoreductase activity, interconverting keto- and enol-groups; IEA:UniProtKB-UniRule.
DR   GO; GO:0006725; P:cellular aromatic compound metabolic process; IEA:InterPro.
DR   Gene3D; 3.30.429.10; -; 1.
DR   HAMAP; MF_00718; Tautomerase_PptA; 1.
DR   InterPro; IPR004370; 4-oxalocrotonate_tautomerase.
DR   InterPro; IPR014347; Tautomerase/MIF_sf.
DR   InterPro; IPR017284; Tautomerase_PptA.
DR   Pfam; PF01361; Tautomerase; 1.
DR   PIRSF; PIRSF037799; Tautomer_YdcE_prd; 1.
DR   SUPFAM; SSF55331; SSF55331; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Isomerase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00718"
FT   CHAIN           2..76
FT                   /note="Tautomerase PptA"
FT                   /id="PRO_0000348338"
FT   ACT_SITE        2
FT                   /note="Proton acceptor; via imino nitrogen"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00718"
SQ   SEQUENCE   76 AA;  8653 MW;  3DB1190BAC6922A0 CRC64;
     MPHVDIKCFP RDLNDEQKTA LAADIAEVII RHFNSKDSSV SVALNQVQQE DWKAQVWDTE
     IGPKLDELIK KPGYSM