ID   PQQB_PSEU5              Reviewed;         303 AA.
AC   A4VL90;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   25-MAY-2022, entry version 81.
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=PST_2073;
OS   Pseudomonas stutzeri (strain A1501).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=379731;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=A1501;
RX   PubMed=18495935; DOI=10.1073/pnas.0801093105;
RA   Yan Y., Yang J., Dou Y., Chen M., Ping S., Peng J., Lu W., Zhang W.,
RA   Yao Z., Li H., Liu W., He S., Geng L., Zhang X., Yang F., Yu H., Zhan Y.,
RA   Li D., Lin Z., Wang Y., Elmerich C., Lin M., Jin Q.;
RT   "Nitrogen fixation island and rhizosphere competence traits in the genome
RT   of root-associated Pseudomonas stutzeri A1501.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:7564-7569(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; CP000304; ABP79741.1; -; Genomic_DNA.
DR   RefSeq; WP_011913208.1; NC_009434.1.
DR   AlphaFoldDB; A4VL90; -.
DR   SMR; A4VL90; -.
DR   STRING; 379731.PST_2073; -.
DR   EnsemblBacteria; ABP79741; ABP79741; PST_2073.
DR   KEGG; psa:PST_2073; -.
DR   eggNOG; COG1235; Bacteria.
DR   HOGENOM; CLU_061120_0_0_6; -.
DR   OMA; FYIPGCA; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000000233; 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..303
FT                   /note="Coenzyme PQQ synthesis protein B"
FT                   /id="PRO_1000061659"
SQ   SEQUENCE   303 AA;  32885 MW;  FAF7FB7285455154 CRC64;
     MFIRILGSAA GGGFPQWNCN CANCAGLRAG TLNAKARTQS SIAISDNGVD WILCNASPDI
     RAQLESFPAL QPARAPRDTA IGAIVLLDSQ IDHTTGLLTL REGCPHEVWC TEMVHQDLTT
     GFPLFNMLEH WNGGLKWNPI ALSGNFSIPC CPNLHITPIP LRSSAPPYSP HRNDPHPGDN
     IGLLIEDRNT GGTLFYAPGL GQVSEELLAT MRRADCLLVD GTLWRDDEML VREVGTKLGS
     EMGHLQQSGP GGMIEVLDGM PAVRKILIHI NNTNPILDED SVEREILGEH GIEVAYDGMN
     IEL