ID   PPTA_KLEP3              Reviewed;          75 AA.
AC   B5XWY0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   25-MAY-2022, entry version 63.
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=KPK_2463;
OS   Klebsiella pneumoniae (strain 342).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX   NCBI_TaxID=507522;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=342;
RX   PubMed=18654632; DOI=10.1371/journal.pgen.1000141;
RA   Fouts D.E., Tyler H.L., DeBoy R.T., Daugherty S., Ren Q., Badger J.H.,
RA   Durkin A.S., Huot H., Shrivastava S., Kothari S., Dodson R.J., Mohamoud Y.,
RA   Khouri H., Roesch L.F.W., Krogfelt K.A., Struve C., Triplett E.W.,
RA   Methe B.A.;
RT   "Complete genome sequence of the N2-fixing broad host range endophyte
RT   Klebsiella pneumoniae 342 and virulence predictions verified in mice.";
RL   PLoS Genet. 4:E1000141-E1000141(2008).
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; CP000964; ACI10406.1; -; Genomic_DNA.
DR   AlphaFoldDB; B5XWY0; -.
DR   SMR; B5XWY0; -.
DR   EnsemblBacteria; ACI10406; ACI10406; KPK_2463.
DR   KEGG; kpe:KPK_2463; -.
DR   HOGENOM; CLU_183611_0_1_6; -.
DR   OMA; IKCFPRD; -.
DR   OrthoDB; 2013680at2; -.
DR   Proteomes; UP000001734; 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..75
FT                   /note="Tautomerase PptA"
FT                   /id="PRO_1000201581"
FT   ACT_SITE        2
FT                   /note="Proton acceptor; via imino nitrogen"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00718"
SQ   SEQUENCE   75 AA;  8392 MW;  415882EBFDCEF884 CRC64;
     MPHVDIKCFP RELTDEQKTA LAADITEVLI RHLNSKESAV SVALTQVEPD AWQAVWDSEI
     APQMAQLIKK PGYSM