ID   PQQB_GLUOX              Reviewed;         304 AA.
AC   Q9L3B3; Q5FS88;
DT   16-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 2.
DT   25-MAY-2022, entry version 97.
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=GOX0986;
OS   Gluconobacter oxydans (strain 621H) (Gluconobacter suboxydans).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC   Acetobacteraceae; Gluconobacter.
OX   NCBI_TaxID=290633;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 9937 / LMG 1404 / NCIMB 8084;
RX   PubMed=11111029; DOI=10.1111/j.1574-6968.2000.tb09429.x;
RA   Felder M., Gupta A., Verma V., Kumar A., Qazi G.N., Cullum J.;
RT   "The pyrroloquinoline quinone synthesis genes of Gluconobacter oxydans.";
RL   FEMS Microbiol. Lett. 193:231-236(2000).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=621H;
RX   PubMed=15665824; DOI=10.1038/nbt1062;
RA   Prust C., Hoffmeister M., Liesegang H., Wiezer A., Fricke W.F.,
RA   Ehrenreich A., Gottschalk G., Deppenmeier U.;
RT   "Complete genome sequence of the acetic acid bacterium Gluconobacter
RT   oxydans.";
RL   Nat. Biotechnol. 23:195-200(2005).
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; AJ277117; CAB83198.1; -; Genomic_DNA.
DR   EMBL; CP000009; AAW60758.1; -; Genomic_DNA.
DR   RefSeq; WP_011252553.1; NZ_LT900338.1.
DR   AlphaFoldDB; Q9L3B3; -.
DR   SMR; Q9L3B3; -.
DR   STRING; 290633.GOX0986; -.
DR   EnsemblBacteria; AAW60758; AAW60758; GOX0986.
DR   KEGG; gox:GOX0986; -.
DR   eggNOG; COG1235; Bacteria.
DR   HOGENOM; CLU_061120_0_0_5; -.
DR   OMA; FYIPGCA; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000006375; 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; Reference proteome; Transport.
FT   CHAIN           1..304
FT                   /note="Coenzyme PQQ synthesis protein B"
FT                   /id="PRO_0000219998"
FT   CONFLICT        37
FT                   /note="R -> G (in Ref. 1; CAB83198)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        63..67
FT                   /note="QIIDT -> NHSDA (in Ref. 1; CAB83198)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        112
FT                   /note="D -> E (in Ref. 1; CAB83198)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        142
FT                   /note="A -> T (in Ref. 1; CAB83198)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        203
FT                   /note="S -> P (in Ref. 1; CAB83198)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   304 AA;  32415 MW;  E3C02E1CBD4C1457 CRC64;
     MIDVIVLGAA AGGGFPQWNS AAPGCVAART RQGAKARTQA SLAVSADGKR WFILNASPDL
     RQQIIDTPAL HHQGSLRGTP IQGVVLTCGE IDAITGLLTL REREPFTLMG SDSTLQQLAD
     NPIFGALDPE IVPRVPLILD EATSLMNKDG IPSGLLLTAF AVPGKAPLYA EAAGSRPDET
     LGLSITDGCK TMLFIPGCAQ ITSEIVERVA AADLVFFDGT LWRDDEMIRA GLSPKSGQRM
     GHVSVNDAGG PVECFTTCEK PRKVLIHINN SNPILFEDSP ERKDVERAGW TVAEDGMTFR
     LDTP