ID   6PGL_KLEP3              Reviewed;         331 AA.
AC   B5XZA0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   25-MAY-2022, entry version 67.
DE   RecName: Full=6-phosphogluconolactonase {ECO:0000255|HAMAP-Rule:MF_01605};
DE            Short=6-P-gluconolactonase {ECO:0000255|HAMAP-Rule:MF_01605};
DE            EC=3.1.1.31 {ECO:0000255|HAMAP-Rule:MF_01605};
GN   Name=pgl {ECO:0000255|HAMAP-Rule:MF_01605}; OrderedLocusNames=KPK_3798;
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   -!- FUNCTION: Catalyzes the hydrolysis of 6-phosphogluconolactone to 6-
CC       phosphogluconate. {ECO:0000255|HAMAP-Rule:MF_01605}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=6-phospho-D-glucono-1,5-lactone + H2O = 6-phospho-D-gluconate
CC         + H(+); Xref=Rhea:RHEA:12556, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:57955, ChEBI:CHEBI:58759; EC=3.1.1.31;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01605};
CC   -!- PATHWAY: Carbohydrate degradation; pentose phosphate pathway; D-
CC       ribulose 5-phosphate from D-glucose 6-phosphate (oxidative stage): step
CC       2/3. {ECO:0000255|HAMAP-Rule:MF_01605}.
CC   -!- SIMILARITY: Belongs to the cycloisomerase 2 family. {ECO:0000255|HAMAP-
CC       Rule:MF_01605}.
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DR   EMBL; CP000964; ACI10293.1; -; Genomic_DNA.
DR   AlphaFoldDB; B5XZA0; -.
DR   SMR; B5XZA0; -.
DR   EnsemblBacteria; ACI10293; ACI10293; KPK_3798.
DR   KEGG; kpe:KPK_3798; -.
DR   HOGENOM; CLU_038716_2_0_6; -.
DR   OMA; EGNWPRD; -.
DR   OrthoDB; 302683at2; -.
DR   UniPathway; UPA00115; UER00409.
DR   Proteomes; UP000001734; Chromosome.
DR   GO; GO:0017057; F:6-phosphogluconolactonase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006006; P:glucose metabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006098; P:pentose-phosphate shunt; IEA:UniProtKB-UniPathway.
DR   Gene3D; 2.130.10.10; -; 1.
DR   HAMAP; MF_01605; 6P_gluconolactonase; 1.
DR   InterPro; IPR022528; 6-phosphogluconolactonase_YbhE.
DR   InterPro; IPR019405; Lactonase_7-beta_prop.
DR   InterPro; IPR011045; N2O_reductase_N.
DR   InterPro; IPR015943; WD40/YVTN_repeat-like_dom_sf.
DR   Pfam; PF10282; Lactonase; 1.
DR   SUPFAM; SSF50974; SSF50974; 2.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Glucose metabolism; Hydrolase.
FT   CHAIN           1..331
FT                   /note="6-phosphogluconolactonase"
FT                   /id="PRO_1000148160"
SQ   SEQUENCE   331 AA;  36200 MW;  B5F75E9B1D4C0945 CRC64;
     MKQTVYTASP ESQQIHVWSL EADGKLTLVQ VVDAPGQVQP MVVSPNKEYL YVGVRPEFRV
     LAYRITPDNG ALTFAGEAAL PGSPTHISTD HHGRFVFSAS YNQGCVSVTP LQDGLPGETV
     TVVEGLEGCH SANISPDNRT LWVPALKQDR ICLFTLSEDG FLSAQEPAEV TTVDGAGPRH
     MVFHPNQQYG YCVNELNSSV DVWELKDPNG NIECVQTLDM MPQDFTGVRW AADIHITPDG
     RHLYACDRTA SIITVFSVSE DGSVLAVEGY QPTETQPRGF NLDHSGKYLI AAGQKSHHIA
     VYEIEGEQGL LHEKGRYAVG QGPMWVVVNA H