ID   PQQB_METPB              Reviewed;         299 AA.
AC   B1ZIB4;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   25-MAY-2022, entry version 86.
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=Mpop_1771;
OS   Methylorubrum populi (strain ATCC BAA-705 / NCIMB 13946 / BJ001)
OS   (Methylobacterium populi).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Methylobacteriaceae; Methylorubrum.
OX   NCBI_TaxID=441620;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-705 / NCIMB 13946 / BJ001;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA   Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Mikhailova N., Marx C., Richardson P.;
RT   "Complete sequence of chromosome of Methylobacterium populi BJ001.";
RL   Submitted (APR-2008) 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; CP001029; ACB79934.1; -; Genomic_DNA.
DR   RefSeq; WP_012453680.1; NC_010725.1.
DR   AlphaFoldDB; B1ZIB4; -.
DR   SMR; B1ZIB4; -.
DR   STRING; 441620.Mpop_1771; -.
DR   EnsemblBacteria; ACB79934; ACB79934; Mpop_1771.
DR   KEGG; mpo:Mpop_1771; -.
DR   eggNOG; COG1235; Bacteria.
DR   HOGENOM; CLU_061120_0_0_5; -.
DR   OMA; FYIPGCA; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000007136; 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..299
FT                   /note="Coenzyme PQQ synthesis protein B"
FT                   /id="PRO_1000131164"
SQ   SEQUENCE   299 AA;  31978 MW;  CD7045AED6F7B821 CRC64;
     MHVVILGSAA GGGVPQWNCR CSICSLAWAG DPRVKARTQS SIAVSPDGER WLLLNASPDI
     RQQIQANPQM HPREGLRHSP IHAVLLTNGD VDHVAGLLTL REGQPFTLYA TPGILASVSD
     NRVFDVMAAD VVKRQTIALD ETFEPVPGLS VTLFSVPGKV PLWLEDASME IGAETETTVG
     TMIEAGGKRL AYIPGCARVT EDLKARVAGV DALLFDGTVL EDDDMIRAGV GTKTGWRMGH
     IQINGETGSI ASFADVALGR RVLIHINNTN PILIEDSPER AGVEARGWTV AHDGLTLDL