ID   PQQB_XANC8              Reviewed;         299 AA.
AC   Q4UXI1;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2005, sequence version 1.
DT   25-MAY-2022, entry version 79.
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=XC_1172;
OS   Xanthomonas campestris pv. campestris (strain 8004).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=314565;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=8004;
RX   PubMed=15899963; DOI=10.1101/gr.3378705;
RA   Qian W., Jia Y., Ren S.-X., He Y.-Q., Feng J.-X., Lu L.-F., Sun Q.,
RA   Ying G., Tang D.-J., Tang H., Wu W., Hao P., Wang L., Jiang B.-L., Zeng S.,
RA   Gu W.-Y., Lu G., Rong L., Tian Y., Yao Z., Fu G., Chen B., Fang R.,
RA   Qiang B., Chen Z., Zhao G.-P., Tang J.-L., He C.;
RT   "Comparative and functional genomic analyses of the pathogenicity of
RT   phytopathogen Xanthomonas campestris pv. campestris.";
RL   Genome Res. 15:757-767(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; CP000050; AAY48242.1; -; Genomic_DNA.
DR   RefSeq; WP_011038060.1; NC_007086.1.
DR   AlphaFoldDB; Q4UXI1; -.
DR   SMR; Q4UXI1; -.
DR   EnsemblBacteria; AAY48242; AAY48242; XC_1172.
DR   KEGG; xcb:XC_1172; -.
DR   HOGENOM; CLU_061120_0_0_6; -.
DR   OMA; FYIPGCA; -.
DR   OrthoDB; 1712770at2; -.
DR   UniPathway; UPA00539; -.
DR   Proteomes; UP000000420; 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; Transport.
FT   CHAIN           1..299
FT                   /note="Coenzyme PQQ synthesis protein B"
FT                   /id="PRO_1000061663"
SQ   SEQUENCE   299 AA;  32566 MW;  B333EFE2E6B00B57 CRC64;
     MRIIVLGSAA GGGHPQWNCH TPASQRAWQQ ADGAQRRTQA SIAVSADGQR WVLINASPDF
     RQQILATPAL WPQHGLRHSP IESVLLTSGE IDHIAGLLSM RESQRFSLHA SSRVLDLLAQ
     NPIFDALNPQ YVDRHPFALN TPLTLCDLQL TPFSVPGKVP LFMESRSGGD LAGSNEETLG
     LTIDDGRHRV HYIPGCAAMT DDLRARLHGA ELVFFDGTLW RDDEMVQLGV SQKTGQRMGH
     MSIDGTDGTL AAFAQLQVAR KVLIHINTTN PVLDAHSPEH AAVRAAGWDV AHDGLEISL