ID   PQQB_RHOPT              Reviewed;         308 AA.
AC   B3QBS9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 65.
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=Rpal_2158;
OS   Rhodopseudomonas palustris (strain TIE-1).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=395960;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TIE-1;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Lang D., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Emerson D.,
RA   Newman D.K., Roden E., Richardson P.;
RT   "Complete sequence of Rhodopseudomonas palustris TIE-1.";
RL   Submitted (MAY-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; CP001096; ACF00679.1; -; Genomic_DNA.
DR   RefSeq; WP_012495480.1; NC_011004.1.
DR   AlphaFoldDB; B3QBS9; -.
DR   SMR; B3QBS9; -.
DR   EnsemblBacteria; ACF00679; ACF00679; Rpal_2158.
DR   KEGG; rpt:Rpal_2158; -.
DR   HOGENOM; CLU_061120_0_0_5; -.
DR   OMA; FYIPGCA; -.
DR   OrthoDB; 1712770at2; -.
DR   BioCyc; RPAL395960:RPAL_RS10720-MON; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000001725; Chromosome.
DR   GO; GO:0018189; P:pyrroloquinoline quinone biosynthetic process; IEA:UniProtKB-UniRule.
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_1000131169"
SQ   SEQUENCE   308 AA;  32276 MW;  4C2F1410E4CF7601 CRC64;
     MLRVIVLGAA AGGGVPQWNC GCPVCRAAFD DPRLARTQAS LAISADNAHW FLINASPDLR
     QQIIATPQLH PRAGALRHSP IAGVILTNGE VDAVAGLLSM REGAPFSIYA HDKVLAILRA
     NSIFNVLNES IVARRPVATD QPFEPLLPDG TPSGLEITAF EVPGKGAWYL EGRTHPGGDS
     QSGDTLGLTI TDKSTGQSLH VLTACARVTD DLKARLAGAP LLLFDGTVWR DDELITAGLG
     TKTGQAMGHI AMAGDDGAIA ALADLDIGQK LFVHINNSNP ALLAHSAERG QLETAGWQIP
     ADGTEVTL