ID   PQQB_KLEP7              Reviewed;         308 AA.
AC   A6T9H0;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   25-MAY-2022, entry version 74.
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};
GN   OrderedLocusNames=KPN78578_17800; ORFNames=KPN_01810;
OS   Klebsiella pneumoniae subsp. pneumoniae (strain ATCC 700721 / MGH 78578).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Klebsiella/Raoultella group; Klebsiella.
OX   NCBI_TaxID=272620;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700721 / MGH 78578;
RG   The Klebsiella pneumonia Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Spieth J., Clifton W.S., Latreille P.,
RA   Sabo A., Pepin K., Bhonagiri V., Porwollik S., Ali J., Wilson R.K.;
RL   Submitted (SEP-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000647; ABR77241.1; -; Genomic_DNA.
DR   RefSeq; WP_004143684.1; NC_009648.1.
DR   AlphaFoldDB; A6T9H0; -.
DR   SMR; A6T9H0; -.
DR   STRING; 272620.KPN_01810; -.
DR   jPOST; A6T9H0; -.
DR   EnsemblBacteria; ABR77241; ABR77241; KPN_01810.
DR   KEGG; kpn:KPN_01810; -.
DR   HOGENOM; CLU_061120_0_0_6; -.
DR   OMA; FYIPGCA; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000000265; 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; Reference proteome; Transport.
FT   CHAIN           1..308
FT                   /note="Coenzyme PQQ synthesis protein B"
FT                   /id="PRO_1000061648"
SQ   SEQUENCE   308 AA;  33435 MW;  5819C69D79BD8C93 CRC64;
     MFIKVLGSAA GGGFPQWNCN CANCQGLRDG TIQAAPRTQS SIIVSDNGKE WVLCNASPDI
     SQQIAHTPEL NKAGVLRGTH IGGIILTDSQ IDHTTGLLSL REGCPHQVWC TPEVHEDLST
     GFPVFTMLRH WNGGLVHHPI APQQPFTVDA CPDLQFTAVP IASNAPPYSP YRDRPLPGHN
     VALFIENRRN GQTLFYAPGL GEPDEALLPW LQKADCLLID GTVWQDDELQ AAGVGRNTGR
     DMGHLALGDE HGMMALLASL PAKRKILIHI NNTNPILNEQ SPQRQALTQQ GIEVSWDGMA
     ITLQDTAC