ID   PQQB_KLEP3              Reviewed;         308 AA.
AC   B5XX61;
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=Coenzyme PQQ synthesis protein B {ECO:0000255|HAMAP-Rule:MF_00653};
DE   AltName: Full=Pyrroloquinoline quinone biosynthesis protein B {ECO:0000255|HAMAP-Rule:MF_00653};
GN   Name=pqqB {ECO:0000255|HAMAP-Rule:MF_00653}; OrderedLocusNames=KPK_2544;
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: May be involved in the transport of PQQ or its precursor to
CC       the periplasm. {ECO:0000255|HAMAP-Rule:MF_00653}.
CC   -!- PATHWAY: Cofactor biosynthesis; pyrroloquinoline quinone biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00653}.
CC   -!- SIMILARITY: Belongs to the PqqB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00653}.
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DR   EMBL; CP000964; ACI08005.1; -; Genomic_DNA.
DR   AlphaFoldDB; B5XX61; -.
DR   SMR; B5XX61; -.
DR   EnsemblBacteria; ACI08005; ACI08005; KPK_2544.
DR   KEGG; kpe:KPK_2544; -.
DR   HOGENOM; CLU_061120_0_0_6; -.
DR   OMA; FYIPGCA; -.
DR   OrthoDB; 1712770at2; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000001734; Chromosome.
DR   GO; GO:0018189; P:pyrroloquinoline quinone biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd16274; PQQB-like_MBL-fold; 1.
DR   Gene3D; 3.60.15.10; -; 1.
DR   HAMAP; MF_00653; PQQ_syn_PqqB; 1.
DR   InterPro; IPR001279; Metallo-B-lactamas.
DR   InterPro; IPR011842; PQQ_synth_PqqB.
DR   InterPro; IPR036866; RibonucZ/Hydroxyglut_hydro.
DR   Pfam; PF12706; Lactamase_B_2; 1.
DR   SUPFAM; SSF56281; SSF56281; 1.
DR   TIGRFAMs; TIGR02108; PQQ_syn_pqqB; 1.
PE   3: Inferred from homology;
KW   PQQ biosynthesis; Transport.
FT   CHAIN           1..308
FT                   /note="Coenzyme PQQ synthesis protein B"
FT                   /id="PRO_1000131162"
SQ   SEQUENCE   308 AA;  33491 MW;  FAA87345F16A640C CRC64;
     MFIKVLGSAA GGGFPQWNCN CANCQGLRNG TIQASARTQS SIIVSDNGKE WVLCNASPDI
     SQQIAHTPEL NKPGVLRGTS IGGIILTDSQ IDHTTGLLSL REGCPHQVWC TPEVHEDLST
     GFPVFTMLRH WNGGLVHHPI APQQPFTVDA CPDLQFTAVP IASNAPPYSP YRDRPLPGHN
     VALFIEYRRN GQTLFYAPGL GEPDEALLPW LQKADCLLID GTVWQDDELQ AAGVGRNTGR
     DMGHLALSDE HGMMALLASL PAKRKILIHI NNTNPILNEL SPQRQALKQQ GIEVSWDGMA
     ITLQDTAC